Glossary for Aaa_uncategorized

Medical terms related to Aaa_uncategorized or mentioned in this section include:

• Β-Aminopropionitirile - Teratogenic Agent: Experimental studies on rats indicate that the use of Β-Aminopropionitirile during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• +r(1) and +r(16): A very rare chromosomal disorder where some of the body's cells has extra ring chromosomes of chromosome 1 and chromosome 16.
• $1,2-Benzisothiazolin-3-one - fetal exposure$: Experimental studies on rats indicate that the use of 1,2-Benzisothiazolin-3-one (a fungicide) during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $1,3Bix(2-chloroethyl)-1-nitrosourea - Teratogenic Agent$: Experimental studies on rats indicate that the use of 1,3Bix(2-chloroethyl)-1-nitrosourea during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $1-(3,5-Bis-trifluoromethyl phenyl)-4-methyl Thiosemicarbazide - Teratogenic Agent$: Experimental studies on rats indicate that the use of 1-(3,5-Bis-trifluoromethyl phenyl)-4-methyl Thiosemicarbazide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $10q Partial Trisomy$: A very rare genetic disorder characterized by the duplication of genetic material from the long arm (q) of chromosome 10 - the genetic material occurs three times in body cells instead of the normal two. The type and severity of symptoms may vary considerably depending on the exact location and size of the duplicated genetic material.
• $11q Partial Trisomy$: A very rare genetic disorder caused by a duplication of part of chromosome 11q. The characteristic symptoms of the disorder are delayed growth before and after birth, mental retardation (varying severity) and skull and facial defects. The type and severity of symptoms that can occur are variable.
• $14q+ syndrome$: A rare chromosomal disorder involving duplication of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities.
• $14qter deletion Syndrome$: A very rare genetic condition where a portion at the end of the long arm (q) of chromosome 14 is missing.
• $17-$: A rare disorder characterized caused by an enzyme (17-ketosteroid reductase) defect only in the testes which results in a lack of testosterone which is needed during the fetal stage to give males there physical characteristics.
• $17-20 desmolase deficiency$: A form of congenital adrenal hyperplasia where a deficiency of 17-20-desmolase results males having ambiguous or female external genitalia due to impaired sex steroid production.
• $18-Hydroxylase deficiency$: A rare genetic, metabolic defect where a deficiency of the enzyme 18-Hydroxylase which results in a reduced amount of aldosterone and salt wasting.
• $18p minus syndrome$: A rare chromosomal disorder where a portion of chromosome 18 is missing which is characterized by mental and growth deficiencies, drooping upper eyelid and prominent ears. The type and severity of symptoms is determined by the amount of genetic material that is missing.
• $1q deletion$: A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
• $1q proximal deletion$: A rare chromosomal disorder where the proximal part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities.
• $1q terminal deletion$: A rare chromosomal disorder where the terminal part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities.
• $2-Acetamido-1,3,4-thiadiazole-5-(N-t-butylsulfonamide) - Teratogenic Agent$: Experimental studies on rats indicate that the use of 2-Acetamido-1,3,4-thiadiazole-5-(N-t-butylsulfonamide) during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Acetylaminofluorene - Teratogenic Agent$: Experimental studies on rats indicate that the use of 2-Acetylaminofluorene during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Amino-1,3,4-thiazole - Teratogenic Agent$: Experimental studies on chickens indicate that the use of 2-Amino-1,3,4-thiazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Amino-3-methylpyridine - Teratogenic Agent$: Experimental studies on mice indicate that the use of 2-Amino-3-methylpyridine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Aminoanthracene - Teratogenic Agent$: Experimental studies on mice indicate that the use of 2-Aminoanthracene during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Benzenesulfonamido-5-tertiobutyl-1-thia-3,4-diazole - Teratogenic Agent$: Experimental studies indicate that the use of 2-Benzenesulfonamido-5-tertiobutyl-1-thia-3,4-diazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $2-Hydroxyglutaricaciduria$: A rare metabolic disorder characterized by high levels of a certain chemical (2-Hydroxyglutaric) which causes a serious progressive neurological disease and damage to the brain. The features of this disorder are variable and some cases are milder than others.
• $2-Methylbutyric Aciduria$: A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbutyryl-coenzyme A dehydrogenase) needed to convert the amino acid isoleucine into energy. 2-methylbutyrylglycine levels build up in the body and may cause damage. Symptoms vary according to the degree of enzyme deficiency - can range from asymptomatic to life-threatening.
• $2-hydroxyethyl methacrylate sensitization$: A condition where exposure to 2-hydroxyethyl methacrylate results in sensitization to the chemical - further exposure to the chemical causes a reaction. The chemical is used in dental work so dental patients and dental workers are at risk of becoming sensitized to the chemical.
• $2-methylbutyryl-coenzyme A dehydrogenase deficiency$: A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbutyryl-coenzyme A dehydrogenase) needed to convert the amino acid isoleucine into energy. 2-methylbutyrylglycine levels build up in the body and may cause damage. Symptoms vary according to the degree of enzyme deficiency - can range from asymptomatic to life-threatening.
• $22q11.2 deletion syndrome$: A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans.
• $2p21 deletion syndrome$: This syndrome is a more severe form hypotonia-cystinuria syndrome as a larger portion of genetic material from chromosome 2p21 is deleted. It is characterized by infant seizures, reduced muscle tone, developmental delay, lactic acidosis and unusual facial appearance.
• $2q deletion$: A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
• $2q22-q24 deletion$: A rare chromosomal disorder where part of the long arm (q22-q24) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
• $3 alpha methylcrotonyl-Coa carboxylase 1 deficiency$: A rare inherited disorder where lack of a certain enzyme (3-methylcrotonyl-Coa carboxylase) stops proteins with the amino acid leucine being metabolized normally by the body. The leucine builds up in the body and causes damage to the brain and nervous system. The severity of the condition is variable with some cases being mild enough to be asymptomatic. The condition differs from type 2 in that it originates as a defect in a different gene (MCC1 gene) but it causes the same enzyme deficiency.
• $3 alpha methylcrotonyl-coa carboxylase 2 deficiency$: A rare inherited disorder where lack of a certain enzyme (3-methylcrotonyl-Coa carboxylase) stops proteins with the amino acid leucine being metabolized normally by the body. The leucine builds up in the body and causes damage to the brain and nervous system. The severity of the condition is variable with some cases being mild enough to be asymptomatic. The condition differs from type 1 in that it originates as a defect in a different gene (MCC2 gene) but it causes the same enzyme deficiency.
• $3 alpha methylglutaconicaciduria, type 3$: A rare genetic condition where a gene mutation prevents the production of certain protein which leads to a build-up of an acid (3-methylglutaconic acid) which can have a negative impact on the body. The condition is characterized mainly by damage to the optic nerve.
• $3Α,17-Β-Androstanediol - Teratogenic Agent$: Experimental studies on rats indicate that the use of 3Α,17-Β-Androstanediol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $3-$: A rare genetic disorder involving the deficiency of an enzyme (hydroxyacyl-coa dehydrogenase). The severity of the symptoms is highly variable with some cases resulting in death during the first decade while others suffer psychomotor and regression. Symptoms tend to be more severe in males who suffer progressive neurodegeneration whereas females tend to suffer mainly from developmental delay.
• $3-Acetylpyridine - Teratogenic Agent$: Experimental studies on chicken eggs indicate that the use of 3-Acetylpyridine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $3-Beta-HSD, Deficiency of$: A rare condition where the deficiency of a particular enzyme (3-Beta-Hydroxysteroid Dehydrogenase) results in reduced levels of adrenal hormones - mineralocorticoids, glucocorticoids and sex steroids. The condition results in variable degrees of salt wasting and abnormal sexual organ development depending on the level of deficiency.
• $3-Beta-Hydroxysteroid Dehydrogenase deficiency$: A rare condition where the deficiency of a particular enzyme (3-Beta-Hydroxysteroid Dehydrogenase) results in reduced levels of adrenal hormones - mineralocorticoids, glucocorticoids and sex steroids. The condition results in variable degrees of salt wasting and abnormal sexual organ development depending on the level of deficiency.
• $3-Beta-Hydroxysteroid Dehydrogenase, Type II, Deficiency of$: A rare condition where the deficiency of a particular enzyme (3-Beta-Hydroxysteroid Dehydrogenase) results in reduced levels of adrenal hormones - mineralocorticoids, glucocorticoids and sex steroids. The condition results in variable degrees of salt wasting and abnormal sexual organ development depending on the level of deficiency.
• $3-Hydroxyisobutyric aciduria$: A rare inborn metabolic disorder which causes brain and facial anomalies, seizures and growth problems.
• $3-M Syndrome$: A rare genetic condition which is characterized by distinctive physical features and severe growth retardation that starts during the fetal stage. Intelligence is not affected.
• $3-alpha-Hydroxyacyl-CoA Dehydrogenase Deficiency$: A rare inherited form of biochemical disorder characterized by the deficiency of a particular enzyme (3-Hydroxyacyl-CoA Dehydrogenase). The enzyme deficiency only affects certain body tissues, in particular the skeletal muscles. The lack of enzyme activity prevents some fats being converted into energy. Symptoms tend to be exacerbated during fasting as during fasting, the body tries to rely more heavily on fats for energy. Fatty acids that are not completely metabolized due to the enzyme deficiency may build up in various organs and cause serious complications.
• $3-alpha-hydroxyacyl-coenzyme A dehydrogenase deficiency$: A rare inherited form of biochemical disorder characterized by the deficiency of a particular enzyme (3-Hydroxyacyl-CoA Dehydrogenase). The enzyme deficiency only affects certain body tissues, in particular the skeletal muscles. The lack of enzyme activity prevents some fats being converted into energy. Symptoms tend to be exacerbated during fasting as during fasting, the body tries to rely more heavily on fats for energy. Fatty acids that are not completely metabolized due to the enzyme deficiency may build up in various organs and cause serious complications.
• $3-alpha-hydroxyisobutyryl-CoA hydrolase deficiency$: A metabolic disorder involving an enzyme deficiency which causes symptoms such as degeneration of the nervous system. The other features of the disorder are somewhat variable.
• $3-methylcrotonyl-CoA carboxylase deficiency$: A rare inherited disorder where lack of a certain enzyme (3-methylcrotonyl-Coa carboxylase) stops proteins with the amino acid leucine being metabolized normally by the body. The leucine builds up in the body and causes damage to the brain and nervous system. The severity of the condition is variable with some cases being mild enough to be asymptomatic.
• $3-methylglutaconic aciduria, type 1$: A recessively inherited metabolic disorder characterized by methylglutaconic acid in the urine.
• $3-methylglutaconic aciduria, type 4$: A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 4 is characterized by symptoms which overlap type 1 and 3.
• $3-methylglutaconic aciduria, type V$: A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid.
• $3?-hydroxysteroid dehydrogenase deficiency$: A ver rare form of congenital adrenal hyperplasia involving a deficiency of 3?-hydroxysteroid dehydrogenase which results in reduced production of adrenal steroids (mineralocorticoids, sex steroids and glucocorticoids). The disorder can occur in classical, non-salt wasting and late-onset varieties.
• $3C syndrome$: A rare disorder characterized by cardiac malformations, cerebellar hypoplasia and cranial dysmorphism which gives the disease it's name.
• $3q deletion$: A rare chromosomal disorder where part of the long arm (q) of chromosome 3 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
• $4-Alpha-hydroxyphenylpyruvate hydroxylase deficiency$: A very rare metabolic disorder where a deficiency of a particular enzyme results in the urinary excretion of a chemical called hawkinsin. Symptoms start once the infant is weaned off breast milk.
• $4-Amino-pteroylaspartic Acid - Teratogenic Agent$: Experimental studies on mice indicate that the use of 4-Amino-pteroylaspartic Acid during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $4-Biphenylmethanol - Teratogenic Agent$: Experimental studies on rat indicate that the use of 4-Biphenylmethanol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $4-Bis(2-chlorobenzyl aminomethyl) Cyclohexane - Teratogenic Agent$: Experimental studies on rats indicate that the use of 4-Bis(2-chlorobenzyl aminomethyl) Cyclohexane during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $4-hydroxyphenylacetic aciduria$: A urinary abnormality usually caused by the deficiency of a particular enzyme (4-hydroxyphenylpyruvic acid oxidase). The urine contains excess 4-hydroxyphenylacetic acid.
• $46,XX Gonadal dysgenesis epibulbar dermoid$: A rare disorder characterized by gonad abnormalities and an eye disorder called epibulbar dermoid.
• $46,XX chromosome 7 deletion p13$: A chromosomal disorder where a small portion of chromosome 7 is deleted which results in a range of abnormalities.
• $46,XX chromosome 7 deletion p13-p21$: A chromosomal disorder where a small portion of chromosome 7 is deleted which results in a range of abnormalities.
• $46,XX testicular DSD$: A sex chromosome disorder in males which affects gonadal development and causes infertility. Males have XX chromosomes instead of the normal XY.
• $46,XX testicular disorder of sex development$: A sex chromosome disorder in males which affects gonadal development and causes infertility. Males have XX chromosomes instead of the normal XY.
• $46,XY chromosome 7 deletion p13-p21$: A chromosomal disorder where a small portion of chromosome 7 is deleted which results in a range of abnormalities.
• $46,XY chromosome 7 deletion p14-p14$: A chromosomal disorder where a small portion of chromosome 7 is deleted which results in a range of abnormalities.
• $47 XYY syndrome$: A genetic condition where males have an extra Y chromosome in each of their cells. Normally male cells have one X and one Y chromosome. This is not usually an inherited condition but a defect that occurs during cell division. Often the condition is asymptomatic.
• $47,XXX syndrome$: A genetic condition where females have an extra X chromosome in each of their cells. Normally female cells have two X chromosomes. This is not usually an inherited condition but a defect that occurs during cell division. Often the condition is asymptomatic.
• $49,XXXXX syndrome$: A rare chromosomal disorder that affects only females and involves body cells having five copies of the X chromosome instead of the normal two.
• $49,XXXXY syndrome$: A rare sex chromosome abnormality where there are three extra copies of the X chromosome.
• $4p16.3 deletion$: A rare genetic disorder where a portion of chromosome 4 is deleted at a location called 16.3. The condition is characterized by malformations in most parts of the body as the deletion affects growth and development of the fetus.
• $5-(1-Aminoacetamido methyl)-1-(4-chloro-2-(o-chlorobenzoyl chlorobenzoyl)phenyl)-N,N-dimethyl-1H-s-trizole-3-carboxamide HCL dihydrate - Teratogenic Agent$: Experimental studies on rats indicate that the use of 5-(1-Aminoacetamido methyl)-1-(4-chloro-2-(o-chlorobenzoyl chlorobenzoyl)phenyl)-N,N-dimethyl-1H-s-trizole-3-carboxamide HCL dihydrate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $5-ASA - Teratogenic Agent$: There is strong evidence to indicate that exposure to 5-ASA during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• $5-Azacytidine - Teratogenic Agent$: Experimental studies on mice and rats indicate that the use of 5-Azacytidine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $5-Azauracil - Teratogenic Agent$: Experimental studies on chickens indicate that the use of 5-Azauracil during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $5-Benzoyl-Α-methyl-2-thiophene Acetic Acid - fetal exposure$: Experimental studies on rabbits indicate that the use of 5-Benzoyl-Α-methyl-2-thiophene Acetic Acid during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $5-alpha-Oxoprolinase deficiency$: An inborn error of metabolism where there is insufficient 5-oxoprolinase which generally produces few if any symptoms.
• $6-Aminonicotinamide - Teratogenic Agent$: Experimental studies on chickens and mice indicate that the use of 6-Aminonicotinamide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• $6-pyruvoyl-tetrahydropterin synthase deficiency$: A rare genetic disorder where insufficient levels of tetrahydropterin leads to a build up of phenylalanine in the blood which can cause toxic side effects such as nerve damage or even brain damage. The condition does not usually cause any significant symptoms.
• $7p2 Monosomy Syndrome$: A rare chromosomal disorder where there is one copy of the end of the short arm (p) of chromosome 7 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material deleted.
• $8p-Syndrome, partial$: A rare chromosomal disorder where there is one copy of part of the short arm (p) of chromosome 8 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material deleted.
• A ?-protein amyloidosis: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. This particular form involves deposits of ?-proteins in the nerves resulting in Alzheimer's disease or around brain blood vessels which can cause strokes or brain bleeds.
• AAA: Anoutpouching at an area of weakness in the abdominal aorta involving all 3 layers of the artery wall.
• ABCD syndrome: A rare inherited condition characterized by albinism, deafness, a black lock of hair and intestinal abnormalities.
• ACAD8 deficiency: An extremely rare metabolic disorder where the body is unable to metabolize certain proteins properly. More specifically, an insufficient level of the enzyme (isobutyryl-coenzyme A dehydrogenase) needed to metabolize the amino acid valine. The onset and severity of symptoms is variable.
• ACAD9 deficiency: A metabolic disorder involving a deficiency of an enzyme (acyl-CoA dehydrogenase-9). The symptoms are variable and are usually triggered by a viral infection or ingestion of aspirin which can trigger a Reye-like episode which can cause death.
• ACE Inhibitors - Teratogenic Agent: There is strong evidence to indicate that the use of ACE Inhibitors during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• ACHOO: A genetic predisposition to start sneezing in response to bright light - especially just after or while in a dark environment.
• ACHOO syndrome: A common condition involving uncontrollable sneezing upon exposure to bright light. It can occur after stepping out of a building into the bright sunshine. The number of sneezes is variable.
• ACPS III: A rare genetic condition characterized by head and digital anomalies as well as other abnormalities.
• ACTH - Teratogenic Agent: Experimental studies on mice indicate that the use of ACTH during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• ACTH Deficiency: A rare endocrine disorder involving a lack of ACTH (adrenocorticotropic hormone) and low levels of cortisol and steroid hormones.
• ACTH deficiency, isolated: An inherited deficiency of adrenocorticotropic hormone. The condition results from a genetic defect.
• ACTH resistance: A rare inherited genetic disorder characterized by adrenal insufficiency due to the adrenal gland's inability to respond to ACTH and hence produce the hormone called cortisol.
• AChR deficiency and short channel open time: Extremely rare condition characterized by respiratory insufficiency from birth, facial dysplasia and paralysis of eye muscles.
• ADANE: A potentially fatal inherited neurological disease involving brain lesions. Symptoms tend to occur during childhood after an illness involving a fever. The disease is similar to Leigh syndrome but the course is acute rather than chronic.
• ADD: Attention Deficit Disorder (ADD) is a mental and behavioral disorder characterized by behavioral problems such as hyperactivity, inattention, concentration difficulty, and other mental symptoms. The related description Attention Deficit Hyperactivity Disorder (ADHD) may be a more modern description of the disease.

  Misdiagnosis of ADD is a well-known controversy in the sense that cases of hyperactivity in children may be over-diagnosed. There is a tendency for parents to seek and doctors to prescribe the drug Ritalin even in cases where the diagnosis of ADD or ADHD may be incorrect. Alternative diagnoses include normal child behavior (i.e. just an active child), food intolerances, or other behavioral disorders (see misdiagnosis of ADD).

  On the other hand, ADD is under-diagnosed in adults, with a large number of adults having ADD without knowing it; see misdiagnosis of Adult ADD.

• ADHD: Attention Deficit Hyperactivity Disorder (ADHD) is a mental and behavioral disorder characterized by behavioral problems such as hyperactivity, inattention, concentration difficulty, and other mental symptoms. Typically, ADHD and associated hyperactivity is known as a childhood disorder, although ADD/ADHD in adults is known to be under-diagnosed. It is distinguished from Attention Deficit Disorder (ADD) which has a reduced focus on hyperactivity type symptoms.
• ADULT syndrome: A rare syndrome characterized by nail abnormalities, abnormal teeth development, tear duct obstruction, pigmentation anomalies and hand and foot abnormalities.
• AIDS: A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections that would not normally affect a person with a healthy immune system. The HIV virus is a virus that attacks the body's immune system.
• AIDS dysmorphic syndrome: A rare syndrome involving craniofacial anomalies and developmental delay that occurs in infants infected with AIDS during the fetal stage.
• AIDS wasting syndrome: A condition where AIDS patients suffer from symptoms such as weight loss, fever, malaise, lethargy, oral thrush and immunologic abnormalities normally associated with AIDS.
• AIDS-Associated Nephropathy: Kidney disease associated with AIDS.
• AIDS-Related Opportunistic Infections: A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections that would not normally affect a person with a healthy immune system. The HIV virus is a virus that attacks the body's immune system.
• ALL-Down syndrome: The presence of acute lymphoblastic leukemia in Down syndrome patients. These patients tend to have a poorer prognosis for the leukemia than patients without Down syndrome.
• AM-80 - Teratogenic Agent: Experimental studies on rats indicate that the use of AM-80 during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• APECED Syndrome: APECED is a recessively inherited genetic disease characterized by the presence of two of the following three conditions: impaired parathyroid function, yeast infection (candidiasis) and impaired adrenal gland function (Addison's disease). It is an autoimmune disease resulting from a genetic defect. The body's immune system malfunctions and attacks it's own body tissues.
• ARCA: A group of recessively inherited neurological disorders characterized mainly by cerebellar ataxia and usually with other additional abnormalities.
• AREDYLD: A rare condition characterized by abnormalities of the extremities, teeth, hair, nail and kidney as well as lipoatrophic diabetes.
• ARTS syndrome: A rare lethal syndrome characterized by deafness, optic atrophy and ataxia.
• ATR-X syndrome: A rare X-linked disorder that affects males and is characterized by mental retardation and alpha thalassemia.
• ATR16: A rare disorder characterized by alpha thalassemia and mental retardation.
• ATRUS syndrome: A rare syndrome characterized by fusion of the forearm bones near the elbow and a blood disorder.
• Aaa_unused symptom qualifiers: Internal web site information of no relevance to patients
• Aagenaes syndrome: A rare inherited birth abnormality involving underdeveloped lymph vessels which results in swollen legs and liver problems.
• Aarau dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Aarau type was discovered in Aarau.
• Aarhus dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Aarhus type was discovered in Aarhus.
• Aarskog Syndrome: A rare genetic condition characterized by facial, hand, genital and growth abnormalities.
• Aarskog-Ose-Pande syndrome: A rare disorder involving lipodystrophy mainly in the face and buttocks as well as sparse hair, retarded bone age and minor face and eye anomalies. It is considered a variant of SHORT syndrome which tends to also include increased range of joint motion and more extensive lipodystrophy.
• Aase Smith syndrome: A rare hereditary syndrome characterized by deformities such as cleft palate, joint contractures and hypoplastic anemia.
• Aase syndrome 2: A rare genetic disorder characterized by blood abnormalities and thumb structure defects.
• Aase-Smith I syndrome: A very rare hereditary syndrome characterized by deformities such as joint contractures, anemia, hydrocephalus and cleft palate.
• Abalone poisoning: Abalone are a shellfish that are commonly eaten by humans. The internal organs of the abalone sometimes contain toxins which can cause various symptoms. The toxins are believed to originate from toxic components in the abalones diet.
• Abamectin - Teratogenic Agent: Experimental evidence in teratogenic studies on rats indicates that fetal exposure to Abamectin(a pesticide) increases the risk of developing a cleft palate. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Abasiophilia: A sexual preference to people who are crippled or lame or people who need some sort of orthopedic appliance such as a leg braces, wheelchairs and spine braces.
• Abderhalden-Kaufmann-Lignac syndrome: A rare inherited childhood disorder involving deposits of cystine crystals in various parts of the body, especially the conjunctiva and cornea.
• Abdominal Aneurysm: Dilatation of a section of the abdominal aorta, usually due to a weakness in the wall of the artery
• Abdominal Cancer: Growth of abnormal cells (tumour) affecting the organs in the abdominal cavity; may be due to primary growth of a tumour or spread from another tumour (metastases, secondary tumour)
• Abdominal Hernia: A protrusion of the intraabdominal contents through a defect in the abdominal wall
• Abdominal Injuries: Any injury involving the abdomen. Injuries may penetrating or caused by a fall or blow to the abdomen. Symptoms are variable depending on the nature of the injury.
• Abdominal Neoplasms: A tumor that occurs in the abdomen.
• Abdominal aortic aneurysm: A weakness and bulging of a section of an abdominal blood vessel called the abdominal aorta. It is usually associated with severe atherosclerosis in the blood vessel.
• Abdominal cystic lymphangioma: A rare form of benign tumor that occurs in infants. It is essentially a malformation of one of the abdominal lymph vessels where a portion is dilated and form a lymph fluid-filled cyst. Symptoms may vary depending on the exact location and size of the cyst.
• Abdominal muscle strain: Damage to the abdominal muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of the damage.
• Abdominal nerve entrapment: A condition where and abdominal nerve becomes trapped and compressed which causes localized abdominal pain. The major causes are straining the abdominal muscles, coughing or occurs after surgery when the abdominal muscles are required to be pulled out of place.
• Abdominal obesity metabolic syndrome: A syndrome characterized by a group of conditions that are considered major risk factors for diabetes mellitus and cardiovascular disease.
• Abdominal seizure: A type of simple partial seizure where abnormal electrical activity in a part of the brain that control autonomic functions results in episodes of abdominal symptoms such as vomiting and nausea.
• Abdominal swelling: Swelling or bloating of the abdomen
• Aberrant subclavian artery abnormality: A rare defect where one the subclavian artery arises from an abnormal location on the aortic arch. The defect may cause compression of organs such as the airway and the voice box.
• Abeshouse's triad: A congenital anomaly involving the development of benign cysts in the adrenal gland.
• Abetalipoproteinemia: A rare genetic disorder involving fat metabolism. The disorder is also known as Bassen-Kornzweig syndrome. Signs of the disease include acanthocytosis, little or no serum beta-lipoproteins and hypocholesterolemia. In severe cases, steatorrhea, ataxia, nystagmus, motor incoordination and retinitis pigmentosa may also occur.
• Ablepharon macrostomia syndrome: A rare disorder involving a number of mainly physical abnormalities.
• Ablinism I syndrome: A recessively inherited form of albinism involving the complete lack of skin, hair and eye pigments.
• Ablinism II syndrome: A recessively inherited form of albinism involving a reduction in skin, hair and eye pigments.
• Ablutophilia: A sexual attraction to bathing, showering or any other way of washing oneself.
• Abnormalities, Radiation-Induced: Conditions arising from the use of radiation therapy to treat various cancers. Radiation therapy can result in minor abnormalities such as dry, flaky skin or serious abnormalities such as cancer.
• Abrikosov's tumor: A rare condition characterized by superficial, usually benign, slow-growing tumors occurring mostly on oral and genital tract tissue.
• Abrin - Teratogenic Agent: Abrin is a seed extract from the jequirity pea which has caused reduced birth weight and other defects in experimental studies on rats. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Abrobit - Teratogenic Agent: Experimental studies on rats indicate that fetal death can result from exposure to Abrobit which is an antihistamine. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Abruzzo Erickson syndrome: A genetic disorder characterized by a combination of features including cleft palate, coloboma and deafness.
• Abscess: This is an area of puss collected in a cavity which is constituted by necrotised tissue
• Absence of gluteal muscle: The absence of the buttock (gluteal) muscles at birth. Spina bifida occulta (absence of back part of some vertebrae) was also present.
• Absence of pulmonary artery: The absence of a pulmonary artery at birth.
• Absence of septum pellucidum: The absence of the thin membrane that separates the two halves of the brain. The defect itself is not a disorder but is usually observed as a characteristic of a condition called septo-optic dysplasia which also involves optic nerve and pituitary abnormalities.
• Absence of septum pellucidum and septo-optic dysplasia: A rare birth defect where a thin membrane in the middle of the brain is missing. This brain abnormality is never present on it's own but is a characteristic of septo-optic dysplasia where the patient also has optic disk abnormalities and pituitary deficiencies.
• Absence of septum pellucidum with porencephalia syndrome: A rare syndrome present at birth and characterized by the absence of the thin membrane in the middle of the brain (septum pellucidum) as well as abnormal cavities in the brain (porencephaly). The syndrome also involves other structural brain abnormalities.
• Absence of tibia: The congenital absence of the tibial bone which is the shin bone. One or both shin bones may be missing.
• Absence of tibia with polydactyly: The congenital absence of the tibial bone which is the shin bone as well as the presence of extra fingers.
• Absence seizure: An epileptic seizure involving momentary loss of consciousness.
• Absent T lymphocytes: Reduced level of circulating T lymphocytes which are involved in the body's immune system. It is not associated with HIV infection or any other detectable immunodeficiency disease.
• Absent abdominal musculature with microphthalmia and joint laxity: A rare disorder characterized mainly by small eyes, loose joints, a lack of abdominal muscles and facial anomalies.
• Absent alpha 1 band: An absence of alpha-1-antitrypsin the the body
• Absent breasts and nipples: The congenital absence of the breasts and nipples. The defect is often associated with other abnormalities.
• Absent corpus callosum - cataract - immunodeficiency: A rare syndrome characterized by immunodeficiency, cleft lip or palate, cataract, reduced pigmentation and brain abnormalities.
• Absent patella: A rare genetic malformation where the kneecap is absent or reduced.
• Absent patellae - scrotal hypoplasia - renal anomalies - facial dysmorphism - mental retardation: A rare syndrome characterized by absent kneecaps, underdeveloped scrotum, kidney anomalies, unusual facial appearance and mental retardation.
• Absidia species poisoning: Absidia species is a type of fungus found in plant debris but is also common in the environment. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Absorptive hypercalciuria syndrome: A rare disorder involving the excessive absorption of calcium by the intestines which increases the body's calcium levels and inhibits the functioning of the parathyroid gland.
• Abuelo Forman Rubin Syndrome: A rare condition where a blood disorder called alpha-thalassemia is associated with hand and foot defects and genital abnormalities.
• Abuse dwarfism syndrome: Retarded growth, intelligence and social behavior due to child abuse. The child abuse can take the form of mental or physical cruelty or neglect.
• Acacia - Teratogenic Agent: Experimental studies on rats indicate that consumption of Acacia during pregnancy produces no harmful effects on the developing fetus. The effect on human fetuses has not been conclusively determined.
• Acalvaria: A rare congenital condition where the skull cap is missing but the rest of the face and base of the skull is normal. The skin of the scalp simply covers the brain with no protective skull bone under it.
• Acanthamoeba infection: Infection with a microscopic, free-living ameba that is readily found in the environment - soil, air and water. Most people exposed to the ameba will not become infected but when infections do occur, they tend to affect the eyes, central nervous system or can cause widespread infection throughout the body.
• Acanthamoeba infection of the central nervous system: Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potentially fatal meningoencephalitis. Infection of the eye can occur by cleaning contact lenses in contaminated water.
• Acanthamoeba infection of the eye: Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potentially fatal meningoencephalitis. Infection of the eye can occur by cleaning contact lenses in contaminated water.
• Acanthamoeba keratitis: Infection of the eye with a microscopic, free-living ameba (Acanthamoeba) that is readily found in the environment - soil, air and water. Infection most often occurs through exposure to contaminated water while wearing contact lenses e.g. swimming or showering in infected waters.
• Acanthocytosis: A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition. Symptoms and prognosis depend on the underlying disorder.
• Acanthokeratodermia: An uncommon skin condition involving excessive growth of the horny part of the skin on the palms of the hands and soles of the feet. Patients also suffer thickening of the nails.
• Acanthoma: A rare benign or malignant epidermal tumor.
• Acanthosis nigricans: A diffuse colour change to the skin with dark pigmentation, particularly in the axillae
• Acanthosis nigricans muscle cramps acral enlargement: A rare syndrome characterized mainly by muscle cramps, dark velvety patches of skin and large hands and feet.
• Acanthosis nigricans, malignant: The development of skin lesions which signify the presence of malignancies - especially tumors of the gut. Patches of dry, rough bumpy skin become discolored and thickened. Mucosal tissue (inside the mouth and lips) is also often involved.
• Acardia: Rare congenital abnormality where the heart is absent such as in some conjoined twins.
• Acarophobia: Unfounded fear of tiny parasites or the false belief that they have infested the skin.
• Acatalasemia: A rare genetic deficiency where little or no catalase is produced.
• Accelerated hypertension: Accelerated hypertension is a condition characterized by a rapid increase in blood pressure. The condition is a medical emergency which can cause organ damage if not treated promptly.
• Accelerated silicosis: An occupation lung disease caused by breathing in silica dust over a long period of time. The lung damage becomes symptomatic and affects breathing and often causes weight loss as well.
• Accessory navicular bone: An abnormal bone that develops in the arch in the middle of the foot. Often there are no symptoms but if the bone is large it may rub against shoes and cause problems.
• Accidental Eye Injury: The accidental injury to an eye
• Accidental injury: An injury that occurs accidentally
• Accommodative effort: An eye condition where vision becomes blurry within minutes of using near vision such as reading or stitching.
• Accutane - Teratogenic Agent: There is strong evidence to indicate that the use of Accutane during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Acebutolol Hydrochloride - Teratogenic Agent: Experimental studies on rats indicate that using Acebutolol Hydrochloride during pregnancy produces no harmful effects on the developing fetus. Acebutolol Hydrochloride is a beta blocker medication used to treat high blood pressure and abnormal heart rhythm. Other reports indicate that use in pregnant women also produces no harmful effects on the fetus.
• Acemetacin - Teratogenic Agent: Experimental studies on rats indicate that the use of Acemetacin (an NSAID) during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aceruloplasminemia: A rare genetic disorder characterized by a lack of the protein ceruloplasmin in the blood resulting in a buildup of iron in the liver, brain and pancreas. This in turn causes diabetes and degeneration of the neural system causing tremors and walking abnormalities.
• Acetaldehyde - Teratogenic Agent: Experimental studies on mice indicate that the use of Acetaldehyde during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetamide - Teratogenic Agent: Experimental studies on rats indicate that the use of Acetamide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetaminophen - Teratogenic Agent: There is strong evidence to indicate that exposure to Acetaminophen during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Acetaminophen poisoning: Excessive ingestion of a drug called acetaminophen.
• Acetanilide - Teratogenic Agent: Experimental studies on mice indicate that the use of Acetanilide during pregnancy may cause reduced fertility in the offsprint. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetazolamide - Teratogenic Agent: Experimental studies on mice, rats and rabbits indicate that the use of Acetazolamide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetoacetate - Teratogenic Agent: Experimental studies on mice indicate that the use of Acetoacetate during pregnancy is unlikely to cause harmful effects on the fetus.
• Acetohexamide - Teratogenic Agent: Experimental studies on mice indicate that the use of Acetohexamide during pregnancy may cause death during the embryonic stage.
• Acetohydroxamic Acid - Teratogenic Agent: Experimental studies on rats and beagles indicate that the use of Acetohydroxamic Acid during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetonitrile - Teratogenic Agent: Experimental studies on hamsters indicate that the use of Acetonitrile during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetoxymethyl-methylnitrosamine - Teratogenic Agent: Experimental studies on rats indicate that the use of Acetoxymethyl-methylnitrosamine during pregnancy may cause harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acetozolamide - Teratogenic Agent: There is strong evidence to indicate that exposure to Acetozolamide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Acetyl-coa acetyltransferase 2 deficiency: A rare disorder where a genetic anomaly results in a deficiency of a particular enzyme (Acetyl-coa acetyltransferase 2) which is associated with mental retardation and reduced muscle tone. The enzyme is involved in lipid metabolism
• Acetylcholine - Teratogenic Agent: Experimental studies on chicken eggs indicate that the use of Acetylcholine during pregnancy may cause various harmful effects on the fetus.
• Acetylsalicylic Acid - Teratogenic Agent: There is strong evidence to indicate that exposure to Acetylsalicylic Acid during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Achalasia: A rare condition where the patients muscles, such as the cardiac sphincter of the stomach, are unable to relax.
• Achalasia - Addisonianism - Alacrimia syndrome: A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide.
• Achalasia - addisonianism - alacrima syndrome: A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide.
• Achalasia - adrenal - alacrima syndrome: A familial disorder characterized by adrenal gland-related hormonal problems, swallowing difficulty (achalasia) and a lack of tears (alacrima). Neurological impairment and motor and sensory neuropathy is progressive. The adrenal glands in patients are resistant to the ACTH hormone and hence fails to operate normally.
• Achalasia - alacrimia syndrome: A rare disorder characterized by the association of achalasia (lack of peristaltic motion) and alacrimia (absent tears).
• Achalasia microcephaly: A very rare syndrome characterized primarily by a small head and achalasia which involves esophageal problems such as enlargement.
• Achalasia, familial esophageal: A rare familial disorder where the esophagus lacks the normal peristaltic motions that help food move through the digestive system.
• Achalasia, primary: A rare motor disorder of the esophagus characterized by inability of the lower esophageal sphincter and esophageal muscle to relax as well as dilation of the esophagus. The disorder is not associated with any other disease or disorder.
• Achard syndrome: An inherited connective tissue disorder characterized primarily by a short head, long, slender bones, recessed lower jaw and loose hand and foot joints.
• Achard-Thiers Syndrome: A rare hormonal disorder that occurs in diabetic postmenopausal women where body hair grows in a masculine manner. Hormonal therapy is used to correct the endocrine imbalance.
• Acheiropodia: Rare congenital defect where hands and feet are missing.
• Achenbach syndrome: A rare condition where a blood blister the size of a coin develops spontaneously on the palm of the hand. Sharp pain and redness accompany the blood blister. In some cases the blood blister can develop after strain or temperature change.
• Achilles tendonitis: Achilles tendonitis is a condition of irritation and inflammation of the large tendon in the back of the ankle.
• Achlorhydria: Condition where there is no hydrochloric acid in the gastric juice
• Achluophobia: An exaggerated or irrational fear of the night or darkness.
• Achondrogenesis: A type of dwarfism where the main limbs are short and the head and trunk are hydropic (contain an accumulation of clear fluid).
• Achondrogenesis type 1A: A rare genetic disorder characterized by abnormal cartilage formation and growth of bones. Type 1A differs from other types by the origin of the genetic defect. Type 1A involves abnormal cartilage-forming cells (chondrocytes) whereas type 1B involves an abnormal cartilage matrix. Type 1B is the most severe disorder.
• Achondrogenesis type 1A and 1B: A rare lethal genetic disorder characterized by a low nasal bridge, very short limbs and incomplete bone formation of lower spine.
• Achondrogenesis type 1B: A rare lethal genetic disorder characterized by a low nasal bridge, very short limbs and incomplete bone formation of lower spine.
• Achondrogenesis type 2: A rare genetic disorder characterized by very small stature, abnormal bone formation and early death.
• Achondrogenesis, Langer-Saldino Type: A rare genetic disorder characterized by very small stature, abnormal bone formation and early death.
• Achondrogenesis, type 3: Severely abnormal bone development which invariably results in death before or soon after birth. Type III may actually be a part of achondrogenesis type II.
• Achondroplasia: A rare disease characterized by abnormal bone growth which results in short stature with short arms and legs, large head and characteristic facial features.
• Achondroplasia regional - dysplasia abdominal muscle: A rare syndrome characterized mainly by abnormal bone development of the ilium, ribs and abdominal muscles. The abdominal muscles tend to become more develope with increasing age.
• Achor-Smith syndrome: A dietary deficiency disorder involving low blood potassium levels which leads to other problems such as diarrhea, anemia, muscle wasting and kidney problems.
• Achrestic anemia: Achrestic anemia is a form of anemia similar to that caused by Vitamin B12 deficiency but it doesn't respond to treatment with Vitamin B12. The condition tends to progress slowly and can result in death if not treated. There are a variety of possible causes.
• Achromatopsia: Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital color vision disorder, the inability to perceive color AND to achieve satisfactory visual acuity at high light levels (typically exterior daylight).
• Achromatopsia 1: A rare form of colorblindness involving complete rod monochromatism which means that that there is no color can be seen and everything appears gray.
• Achromatopsia 2: A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia.
• Achromatopsia 3: A rare form of colorblindness which also involves myopia.
• Achromatopsia 4: A rare form of colorblindness involving various cone and cone-rod dystrophies which becomes apparent during or after adolescence.
• Achromatopsia incomplete, X-linked: An inherited form of blue color blindness.
• Achromatopsia type 1: A rare form of colorblindness involving complete rod monochromatism which means that that there is no color can be seen and everything appears gray.
• Achromatopsia type 2: A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia.
• Achromatopsia type 3: A rare form of colorblindness involving blue cone monochromatism.
• Achromatopsia type 4: A rare form of colorblindness involving various cone and cone-rod dystrophies which becomes apparent during or after adolescence.
• Achromatopsia with Myopia: A rare form of colorblindness which also involves myopia.
• Acid phosphatase deficiency: A group of inherited metabolic bone disorders varying in degree of severity and characterized a deficiency of alkaline phosphate which affects bone mineralization.
• Acid-Base Imbalance: A disruption to the normal acid-base equilibrium in the body. There are four main groups of disorder involving an acid-base imbalance: respiratory acidosis or alkalosis and metabolic acidosis or alkalosis. Obviously the severity of symptoms is determined by the degree of imbalance.
• Acidemia, isovaleric: A rare genetic condition where the body can't process proteins adequately. More specifically, there are insufficient levels of the enzyme needed to break down an amino acid called leucine. This results in a build up of isovaleric acid which can harm the brain and nervous system. Some people suffer severe symptoms from birth and others suffer milder symptoms that come and go and are affected by such things as infections or consumption of high protein food.
• Acidemia, methylmalonic: An inborn error of metabolism where amino acids in the body aren't metabolized properly resulting in high levels of the acid throughout the body.
• Acidemia, propionic: An inherited genetic disorder where the body is incapable of processing some proteins and fats resulting in the accumulation of certain substances in the body which causes the symptoms of the condition. The condition can be life threatening.
• Acidic dry cell batteries inhalation poisoning: Acidic dry cell batteries contain toxic chemicals which can cause symptoms if inhaled. The smoke emitted from burning batteries can also cause poisoning symptoms if sufficient quantities are inhaled. The type and severity of symptoms varies depending on the amount of chemical involved.
• Acidosis: The accumulation of hydrogen ions or the depletion of the alkaline reserve in the body.
• Acinic cell carcinoma: A usually slow-growing malignant tumor that that can occur in various parts of the body but is most often found in the pancreas, salivary glands, palate and upper lip. Symptoms are determined by the size and location of the growth.
• Acitretin- Teratogenic Agent: Reports indicate that the use of Acitretin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. Acitretin should not be taken by women who are pregnant or planning on becoming pregnant.
• Ackee Fruit Food poisoning: Unripe ackee fruit contains a chemical called hypoglycin A and B which affect the central nervous system and fatty acid oxidation. Eating the unripe fruit can cause symptoms can occur in as little as two hours but is generally 6 to 48 hours. The ackee fruit is found mainly in Jamaica, West Africa, Central America, Sought Florida, southern California and Hawaii.
• Ackerman Dermatitis Syndrome: A rare condition characterized by the association of skin and joint symptoms. It is characterized by arthritis preceded by a skin rash (interstitial granulomatous dermatitis) which can vary in appearance from person to person. The condition tends to go through periods of flares and remission.
• Ackerman syndrome: An extremely rare condition characterized primarily by glaucoma, upper lip deformity and abnormal tooth roots.
• Acne: Pimples and blackheads on the skin
• Acne Keloid: Scar tissue caused by acne.
• Acne Vulgaris: Another term for the common skin disorder called acne. Acne may occur just about anywhere on the body but is most common on the face, neck and back. The condition may be mild with just a few small spots or severe where large painful cysts develop. Acne generally results from dead skin blocking skin pores which results in infection.
• Acneiform eruption:
• Aconitase deficiency: A rare disorder where deficiency of an enzyme called aconitase results in muscle disease and intolerance to exercise.
• Acorn poisoning: Acorns contain tannic acid which affects the metabolism of proteins and causing serious symptoms if large amounts are consumed. The amount of tannin in the acorn varies amongst species - higher tannin content results in a more bitter tasting acorn.
• Acoustic neuroma: A rare benign tumor that forms in the hearing canal. Can cause tinnitus, progressive hearing loss, headaches, facial numbness, papilledema, dizziness and an unsteady walk. Speaking and swallowing difficulty can occur in advanced stages. Also called acoustic neurilemoma, acoustic neurinoma and acoustic neurofibroma.
• Acousticophobia: An exaggerated or irrational fear of noise.
• Acquired Aplastic Anemia: A rare disorder involving severe failure of the bone marrow to produce new blood cells. Acquired aplastic anemia means that the condition was not present at birth but developed during the persons lifetime. The condition may be caused by such things as autoimmune reactions, radiation and certain drugs, chemicals or viral infections.
• Acquired Tritanopia: A rare eye condition where the individual is unable to detect blue and yellow colors but red and green vision remains normal. The condition can be the result of a genetic defect but may also be acquired through such things as exposure to organic solvents, alcoholism or a head injury.
• Acquired agranulocytosis: A blood disorder characterized by low levels of white blood cells (granular leukocytes) in the circulating blood. The condition is usually caused by certain drugs especially chemotherapy drugs.
• Acquired amegakaryocytic thrombocytopenia: A rare blood disorder characterized by a deficiency of blood platelets required for normal blood clotting. Autoimmune processes can be a cause of the acquired form of this condition.
• Acquired angioedema: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative or autoimmune disorders which result in the dysfunction of a complex blood protein called C1 inhibitor.
• Acquired angioedema, type 1: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative disorders which affects the function of a complex blood protein called C1 inhibitor.
• Acquired angioedema, type 2: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. Type 2 is an autoimmune disorder where patients develop autoantibodies which destroy the function of C1 esterase inhibitor.
• Acquired generalized lipodystrophy: A rare disorder characterized by the loss of body fat. The acquired form usually occurs as a result of conditions such as fatty liver, infections or metabolic abnormalities such as insulin resistance and diabetes mellitus. The loss of fat involves the whole body and occurs at variable rates.
• Acquired hypoprothrombinemia: A low level of blood prothrombins which is not inherited but occurs as a result of certain medical disorders such as Vitamin K deficiency.
• Acquired hypothyroidism: Acquired hypothyroidism is a condition where the thyroid gland makes too little or no thyroid hormone. Acquired hypothyroidism can be caused by both thyroid disease (primary hypothyroidism) and hypothalamic-pituitary disease (central hypothyroidism)
• Acquired ichthyosis: Thick, scaly skin that is not inherited but is associated with certain disorders such as vitamin A deficiency, hypothyroidism and certain cancers.
• Acquired idiopathic sideroblastic anaemia: A rare disorder where iron is transported into a developing blood cells but because it is unable to be used, it builds up within the cell and tends to stop it from developing into a fully functioning red blood cell. Thus anemia can occur despite adequate or even high iron levels. Acquired cases can occur on exposure to excess alcohol, lead and drugs or can occur to nutritional problems involving a deficiency of folic acid or copper or an excess of zinc. The condition can also be caused by conditions such as kidney problems, endocrine dysfunction, metabolic disorders, rheumatoid arthritis and leukemia.
• Acquired progressive kinky hair: An acquired hair condition involving the progressive kinking of hair. It often precedes the early stages of male pattern alopecia.
• Acquired prothrombin complex deficiency: A rare disorder where infants with a deficiency of vitamin K suffer problems with bleeding. It is believed to occur in breast fed infants where the milk from the mother lacks sufficient vitamin K.
• Acquired prothrombin deficiency: A deficiency of prothrombin (vital for blood clotting) which is acquired through other conditions such as liver disease, anticoagulant drugs or vitamin K deficiency. The severity of symptoms is determined by the degree of deficiency.
• Acquired pure megakaryocytic aplasia: A rare blood disorder characterized by severe thrombocytopenia (reduced blood platelets) or reduced megakaryocytes (bone marrow cells that produce blood platelets). The disorder may be caused by immune processes inhibiting the development of megakaryocytes.
• Acquired total lipodystrophy: A rare acquired disorder that involves adipose tissue abnormalities and is characterized by loss of adipose tissue through the body. The disorder is very similar to the congenital form but the liver involvement is more severe.
• Acral dysostosis - dyserythropoiesis: A rare disorder characterized by hand and foot defects as well as a congenital form of anemia characterized by the production of abnormal red blood cells.
• Acral lentiginous melanoma: Acral lentigous melanoma is the most common variant of skin cancer seen in dark-skinned people. This form of melanoma appears on the palms of the hands, the soles of the feet, or on nails. Lesions are usually brown, black, or multicolored with irregular borders, and flat or nodular.
• Acriflavine- Teratogenic Agent: Experimental studies on chickens indicate that the use of Acriflavine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Acro coxo mesomelic dysplasia: A rare inherited form of dwarfism characterized mainly by shortening of the middle and end parts of the limbs.
• Acro-pectoro-renal field defect: A very rare genetic syndrome characterized by abnormalities of the genital and urinary systems as well as the absence of chest muscles at birth.
• Acro-reno-ocular syndrome: A disorder characterized by eye abnormalities, kidney defects and abnormalities of the arm and hand bones.
• Acrocallosal Syndrome (Schinzel Type): A rare condition characterized by absence of portion of the brain (corpus callosum), mental deficiency, duplicated toes, mental deficiency and other abnormalities.
• Acrocallosal syndrome: A rare genetic disorder characterized by underdeveloped or absent corpus callosum of brain, duplication of thumb or big toe and extra fingers or toes.
• Acrocapitofemoral dysplasia: A rare inherited disorder characterized mainly by short limbs, dwarfism and cone-shaped epiphyses mainly in the hands and hips.
• Acrocephalopolydactyly: A rare genetic condition characterized by limb abnormalities, extra digits and hydrocephalus. Other additional symptoms are variably present.
• Acrocephalopolydactyly - Cardiac Disease - Ear, Skin and Lower Limb Defects: A rare genetic condition characterized by head and digital anomalies as well as other abnormalities.
• Acrocephalopolydactyly II: A rare genetic disorder characterized by head, hand and genital anomalies as well as mental retardation.
• Acrocephalopolysyndactyly type III: A rare genetic condition characterized by head and digital anomalies as well as other abnormalities.
• Acrocephalopolysyndactyly, type 2 (ACPS 2): A rare genetic disorder characterized by premature closing of skull bones, craniofacial abnormalities, heart defects, growth retardation and other disorders.
• Acrocephalosyndactyly: A group of inherited disorders characterized by abnormalities involving the skull, face, hands and feet. Apert, Pfeiffer and Crouzon syndrome are examples of various types of the disorder.
• Acrocephalosyndactyly II: A rare inherited disorder characterized primarily by premature closure of skull bones, fusion of fingers and toes and eye and face abnormalities.
• Acrocephalosyndactyly Syndrome type 5: A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity.
• Acrocephalosyndactyly type 3 (ACPS 3): A rare genetic disorder characterized by premature joining of certain skull bones during development which has an impact on the shape of the head and face. Features include brachycephaly, ear deformities as well as craniofacial, finger and bone abnormalities.
• Acrocephalosyndactyly type 5 (ACPS 5): A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity.
• Acrocephaly - pulmonary stenosis - mental retardation: A rare syndrome characterized by a pointy skull, narrowed pulmonary valve and mental retardation.
• Acrocyanosis: A condition where the body extremities sweat and turn blue and cold. Exposure to cold, emotional stress and smoking may trigger the condition. Also known as Raynaud's phenomenon or Raynaud's sign.
• Acrodermatitis: Skin disorder which occurs on the hands and feet and is caused by parasitic mites of the Acarina order.
• Acrodermatitis Enteropathica: A rare, chronic condition that occurs in infants and involves autosomal zinc malabsorption. Signs include blisters on the skin and mucous membranes, alopecia, diarrhea and failure to thrive. The condition may be fatal if untreated.
• Acrodermatitis, persistent: A rare chronic skin condition characterized by the eruption of pustules that usually occur on the ends of fingers
• Acrodynia: A disease occurring in infants or young children. Symptoms include edema, pruritis, skin rash, extremities are pink, cheeks and nose are scarlet, profuse sweating, digestive disturbance, photophobia, polyneuritis, irritability, listlessness, apathy and failure to thrive.
• Acrodysostosis: A rare genetic disorder characterized by short hands, small nose, mental deficiency and hand and foot deformities.
• Acrodysplasia scoliosis: A rare inherited genetic disorder characterized by short fingers and toes, scoliosis and other spine anomalies.
• Acrodysplasia with ossification abnormalities, short stature, and fibular hypoplasia: A rare inherited disorder characterized by short stature, underdeveloped calf bones and abnormalities of the hand and foot bones.
• Acrofacial dysostosis - ambiguous genitalia: A rare disorder characterized mainly by ambiguous genitals and abnormal development of bones in the face, jaw, hands and feet.
• Acrofacial dysostosis Catania form: One of a group of disorders characterized by defective limb and facial development. The Catania form is very rare.
• Acrofacial dysostosis Preis type: One of a group of disorders characterized by defective limb and facial development. The Preis type is very rare and the range and severity of symptoms is variable.
• Acrofacial dysostosis Rodriguez type: One of a group of disorders characterized by defective limb and facial development. The Rodriguez type is very rare and primarily involves severe limb and organ malformations.
• Acrofacial dysostosis atypical postaxial: A rare genetic disorder characterized by absence of some fingers and toes and characteristic facial features.
• Acrofacial dysostosis autosomal recessive: A rare inherited disorder characterized mainly by facial, hand and foot anomalies. The disorder resembles Nager syndrome.
• Acrofacial dysostosis postaxial, atypical: A rare disorder characterized by an unusual facial appearance, short stature and hand and foot bone anomalies. The disorder may be related to the fact that the infants were born to mothers with diabetes.
• Acrofacial dysostosis, Nager type: A rare genetic disorder characterized by underdeveloped thumbs, forearm and cheekbones as well as ear defects.
• Acrofacial dysostosis, Palagonia type: One of a group of disorders characterized by defective limb and facial development. The Palagonia type is very rare and the symptoms are relatively mild.
• Acrofacial dysostosis, Weyers type: A rare disorder characterized by facial abnormalities and extra digits, nail abnormalities and short limbs.
• Acrofrontofacionasal dysostosis syndrome: A very rare syndrome characterized by abnormalities of the bones of the skeleton as well as mental retardation. Various facial, eye and urogenital anomalies are also present.
• Acrogeria (Gottron Type): An extremely rare, mild form of progeria.
• Acrokeratoelastoidosis of Costa: A rare condition characterized by yellowish or flesh-colored papules or plaques which have a flat top.
• Acrokeratosis verruciformis of Hopf: A rare inherited skin disorder characterized by skin-colored wart-like lumps on the backs of the hands and feet as well as the forearms and legs.
• Acromegaloid changes, cutis verticis gyrata and corneal leukoma: A rare disorder characterized by acromegaly (enlarged extremeties) , furrowed skin on scalp and face and corneal leukomas.
• Acromegaloid facial appearance syndrome: A very rare genetic disorder characterized by thick lips and gums, thick upper eyelids, large hands and occasionally mental deficiency.
• Acromegaloid facies - hypertrichosis: A very rare genetic disorder characterized by thick lips and gums, thick upper eyelids, large hands and occasionally mental deficiency.
• Acromegaloid hypertrichosis syndrome: A rare genetic condition characterized by excess body hair and a coarse face. The severity of the condition is variable.
• Acromegaloid, Cutis Verticis Gyrata, Corneal Leukoma Syndrome: A rare condition characterized by the association of acromegaly, cutis verticis gyrate and corneal leukoma.
• Acromegaly: An abnormal enlargement of the limbs due to increased secretion of growth hormone after the cessation of puberty
• Acromegaly due to growth hormone-secreting pituitary adenoma: Pituitary adenomas are benign monoclonal neoplasms of the anterior pituitary gland, accounting for approximately 15% of intracranial tumors.
• Acromelanosis: A birth anomaly where there is patches of increased pigmentation in the ends of the fingers and toes. The pigmentation may spread to surrounding areas of skin.
• Acromelic frontonasal dysplasia: A very rare genetic malformation syndrome characterized by developmental abnormalities of the face and brain.
• Acromesomelic dysplasia: A rare genetic progressive skeletal disorder characterized by short limbs, a large head and lower thoracic kyphosis.
• Acromesomelic dysplasia Brahimi Bacha type: A very rare genetic malformation syndrome characterized primarily by developmental abnormalities of the face and skeletal bones.
• Acromesomelic dysplasia Campailla Martinelli type: A form of dwarfism where the main shortening occurs in the lower legs and arms.
• Acromesomelic dysplasia Hunter Thompson type: A rare genetic syndrome characterized by various severe developmental abnormalities of the skeletal bones.
• Acromesomelic dysplasia, Maroteaux type: A rare genetic syndrome characterized by various developmental abnormalities of the skeletal bones and facial anomalies.
• Acromicric dysplasia: A rare genetic syndrome characterized by various severe developmental abnormalities of the skeletal bones and facial anomalies.
• Acroosteolysis dominant type: A rare inherited connective tissue disorder characterized by breakdown of bone especially in the ends of the fingers and toes.
• Acroosteolysis neurogenic: A very rare inherited condition characterized mainly by the loss of all sensations - the lose the ability to feel pain, temperature and touch. The loss of sensation generally starts at the toes and fingers and spreads up the limbs and the trunk may also be involved in some cases.
• Acroparesthesia syndrome: A condition involving episodes of paresthesia (tingling, numbness and stiffness) mainly in the lower arms and hands. It most often occurs in middle-aged women.
• Acropectoral syndrome: A rare disorder characterized by extra fingers and toes, fusion of fingers and toes and anomalies involving the abdominal and chest wall.
• Acropectorovertebral dysplasia: A rare inherited genetic disorder characterized by abnormalities involving the fingers, toes, palate and chest bones.
• Acropustulosis: Acropustulosis is a recurrent, self-limited, pruritic, vesiculopustular eruption of the palms and soles
• Acrorenal mandibular syndrome: A very rare condition characterized by a split hand or foot deformity, kidney abnormalities and underdeveloped lower jaw.
• Acrorenal syndrome: A rare lethal syndrome characterized limb anomalies and kidney malformations.
• Acrorenal syndrome recessive: A rare, recessively inherited disorder characterized by the association of kidney and hand and foot abnormalities.
• Acrosphenosyndactylia: A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused together.
• Acrospiroma: A tumor that develops in the ends of sweat glands in the skin. They are usually benign.
• Acrotomophilia: A sexual preference for amputees.
• Acrylonitrile - Teratogenic Agent: Experimental studies on rats and hamsters indicate that the use of Acrylonitrile during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Actinic cheilitis: Degeneration of the lip due to sun damage. The condition is considered precancerous.
• Actinic prurigo: An inherited tendency to develop an itchy, bumpy rash on exposure to the sun. Generally only the face and lips are affected. Symptoms tend to occur seasonally.
• Actinobolin Sulfate - Teratogenic Agent: Experimental studies on chickens indicate that the use of Actinobolin Sulfate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Actinomycin C - Teratogenic Agent: Experimental studies on rats indicate that the use of Actinomycin C during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Actinomycin D - Teratogenic Agent: Experimental studies on rats indicate that the use of Actinomycin D during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Actinomycosis: A chronic infection usually caused by an organism normally found in human bowels and mouths. The disease usually affects the face and neck and results in deep, lumpy abscesses that emit a grainy pus through multiple sinuses.
• Actinomycotic appendicitis: Chronic suppurative appendicitis resulting from infection by Actinomyces israelii. . It is extremely rare, but it is important to diagnose it, since failure to treat it adequately may result in protracted illness with extensive local spread.
• Acutane embryopathy: A rare disorder caused by fetal exposure to retinoids and resulting in mental and physical birth defects.
• Acute (or transient) urinary incontinence: Acute (or Transient) Incontinence is caused by a new or recent medical problem that can be treated.
• Acute Angle Closure Glaucoma: Primary angle closure is defined as an occludable drainage angle and features indicating that trabecular obstruction by the peripheral iris has occurred (ie, peripheral anterior synechiae, increased IOP, lens opacities, excessive trabecular pigmentation deposits).
• Acute Bokhoror: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute Bronchitis: Respiratory inflammation of the bronchi leading to the lungs
• Acute Chemical poisoning - Varnish makers' and painters' Naptha: Varnish makers' and painters' Naptha is an ingredient used in certain pesticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
• Acute Cholecystitis: Acute inflammation of the gall bladder, usually due to obstruction by a gall stone
• Acute Disseminated Encephalomyelitis: A type of encephalitis that usually follows an acute viral infection and involves an immune attack on myelin tissue which is part of the nervous system. Initial symptoms include fever, headache, vomiting and drowsiness followed by seizures, coma and paralysis. Often results in permanent neurological disorders.
• Acute Interstitial Pneumonia: A relatively uncommon form of pneumonia that has no apparent cause. Symptoms tend to develop over a period of six months to one and a half years.
• Acute Pesticide poisoning - Triforine: Triforine is an ingredient used in certain herbicides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
• Acute Pesticide poisoning - Ureas: Urea is a class of active ingredients used in certain defoliants, herbicides, insecticides and rodenticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
• Acute Pesticide poisoning - xylene: Xylene is an ingredient used in certain insecticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
• Acute Silicosis: An occupation lung disease caused by breathing in high levels of silica dust.
• Acute Tracheitis: Tracheitis is a bacterial infection of the trachea and is capable of producing airway obstruction
• Acute VE: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute Viliuisk Encephalitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute Viliuisk Encephalomyelitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute Vilyuisk Encephalitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute Vilyuisk Encephalomyelitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
• Acute abdominal syndrome: Abdominal symptoms similar to that observed in acute abdominal disease. The symptoms start gradually and reach a peak after a few hours. The symptoms resolved quickly without treatment. It is believed to be caused by a failed bacterial infection in the perinephric area.
• Acute adult T-Cell leukemia: A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may lay dormant for decades. There are four subtypes: acute, chronic, lymphoma and smoldering. The acute and lymphoma subtypes have the poorest prognosis. The acute subtype tends to progress rapidly and is the most prevalent form of the condition.
• Acute appendicitis: Infection of the appendix
• Acute basophilic leukaemia: A rare type of acute myeloid leukemia characterized by the presence of abnormal basophils.
• Acute biphenotypic leukemia: A rare form of leukemia that has myeloid and lymphoid features.
• Acute cholinergic dysautonomia: A rare condition characterized by the presence of abnormal red blood cells in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form has more severe symptoms than the chronic form.
• Acute elemental mercury inhalation: Inhalation of elemental mercury can lead to breathing and lung symptoms of various degrees of severity depending on the level of exposure.
• Acute erythroleukemia: A rare condition characterized by the presence of abnormal blood cells (erythroblastic precursors) in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form has more severe symptoms than the chronic form.
• Acute fatty liver of pregnancy: A rare complication of pregnancy that can occur in the second half of the pregnancy. It is characterized by excessive fatty deposits in the liver which can be fatal without prompt diagnosis and treatment which involves delivering the baby as soon as possible.
• Acute gastritis: Sudden onset, generally short-lived infection of the gastrointestinal tract causing vomiting; may be due to infective causes (viruses, bacteria or protozoa), or due to drug toxicity and irritation
• Acute headache: Headache, or cephalgia, is defined as diffuse pain in various parts of the head, with the pain not confined to the area of distribution of a nerve.
• Acute hemorrhagic leukoencephalitis: A rare degenerative brain disease where the patient suffers edema, many small hemorrhages, necrosis of blood vessel walls, demyelination of nerve fibers. Histiocytes, lymphocytes and neutrophils also enter the meninges. Symptoms include severe headache, fever, vomiting and sometimes convulsions and unconsciousness. Also called acute hemorrhagic leukoencephalitis.
• Acute idiopathic polyneuritis: An inflammatory disorder of the peripheral nerves The condition is characterized by weakness, numbness or tingling in the legs or arms or occasionally loss of movement and feeling in the legs, arms, upper body and face. Some patients have minor symptoms and others suffer severe symptoms such as paralysis. Also called Guillain-Barre syndrome, infectious polyneuritis or acute febrile polyneuritis.
• Acute insomnia: Insomnia which lasts for one night to a few weeks.
• Acute intermittent porphyria: A rare inherited metabolic disorder caused by a disturbed porphyrin metabolism resulting in increased production of porphyrin or its precursors. Symptoms include abdominal pain, photosensitivity and neurological disturbances such as seizures, coma, hallucinations and respiratory paralysis.
• Acute kidney failure: The sudden and acute loss of kidney function
• Acute leukaemia of ambiguous lineage: A term used to describe a type of leukemia (a blood cancer) where the leukemic cells cannot be determined as myeloid or lymphoid or where both types of cells are present.
• Acute lower respiratory conditions: An acute condition that occurs in the lower respiratory tract
• Acute lymphoblastic leukemia: A malignant disease that starts suddenly and progresses quickly. It is characterized by a high number of immature cells in the organs, bone marrow and blood. Symptoms include fever, pallor, anorexia, fatigue, anemia, hemorrhage, bone pain, splenomegaly and frequent infections. Also called acute lymphocytic leukemia.
• Acute lymphoblastic leukemia congenital sporadic aniridia: The rare association with a form of acute leukemia and congenital aniridia observed in a patient.
• Acute lymphoblastic leukemia, adult: Cancer of the white blood cells. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets.
• Acute lymphocytic leukemia: A malignant disease that starts suddenly and progresses quickly. It is characterized by a high number of immature cells in the organs, bone marrow and blood. Symptoms include fever, pallor, anorexia, fatigue, anemia, hemorrhage, bone pain, splenomegaly and frequent infections. Also called acute lymphoblastic leukemia.
• Acute megacaryoblastic leukemia: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. More specifically, it involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes).
• Acute meningitis: Acute meningitis is a form of meningitis caused by bacteria that normally lives in the mouth and throat. When the immune system is unable to supress this bacteria, it travels to the cerebrospinal spinal fluid in the brain. From there it affects the membranes surrounding the brain.
• Acute mercury inhalation: Inhalation of mercury vapor can lead to serious symptoms and even death if sufficient quantities are inhaled. Mercury inhalation is more likely in confined or poorly ventilated spaces. Mercury from a broken thermometer can lead to symptoms if it occurs in a confined space.
• Acute myeloblastic leukemia type 1: A form of blood cancer resulting in the rapid proliferation of immature blood cells (blast cells).
• Acute myeloblastic leukemia type 2: A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes.
• Acute myeloblastic leukemia type 3: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 3 involves the proliferation of promyelocytes.
• Acute myeloblastic leukemia type 4: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 4 involves the rapid proliferation of myelocytes and monocytes.
• Acute myeloblastic leukemia type 5: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 5 involves the rapid proliferation of monoblasts (immature precursors of monocytes) in particular.
• Acute myeloblastic leukemia type 6: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 6 involves the proliferation of the immature precursors of red blood cells called erythroblasts.
• Acute myeloblastic leukemia type 7: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 7 involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes) in particular.
• Acute myelocytic leukemia: A malignant cancer of blood-forming tissues resulting in a high number of immature leukocytes. Symptoms include soft bleeding gums, anemia, fatigue, fever, dyspnea, moderate splenomegaly, joint and bone pains and frequent infections. Also called acute granulocytic leukemia, acute myelogenous leukemia, acute nonlymphocytic leukemia, myeloid leukemia, splenomedullary leukemia, splenomyelogenous leukemia.
• Acute myelofibrosis: A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement.
• Acute myeloid leukaemia and myelodysplastic syndromes related to alkylating agent: The use of alkylating agents to treat cancer can result in leukemia in some patients.
• Acute myeloid leukaemia and myelodysplastic syndromes related to topoisomerase type II inhibitor: The use of topoisomerase type II inhibitors to treat cancer can result in leukemia in some patients.
• Acute myeloid leukaemia and myelodysplastic syndromes, therapy related: Certain cancer therapies can result in the development of leukemia in some patients. These therapies includes topoisomerase type II inhibitors and alkylating agents.
• Acute myeloid leukemia: A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets.
• Acute myeloid leukemia, adult: A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets.
• Acute myelosclerosis: A rare disorder where the bone marrow makes too many blood cells. The disease progresses rapidly with death usually occurring within 6 months of onset.
• Acute necrotizing ulcerative gingivitis: A reoccurring periodontal disease which results in necrosis and ulceration of the gums. Symptoms may include fever, bone loss, breath odor and enlarge neck and throat lymph nodes. Also called trench mouth, Vincent's angina or Vincent's infection.
• Acute pancreatitis: sudden inflammation of the pancreas
• Acute panmyelosis: A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement. The disease often progresses rapidly and results in death.
• Acute panmyelosis with myelofibrosis: A poorly defined condition which is more a description of a particular state rather than a distinct disorder. The condition involves the presence of panmyelosis and myelofibrosis. Bone marrow exposure to toxic substances is one cause of the condition.
• Acute peripheral arterial occlusion: A sudden blockage of a peripheral artery. The blockage may result from a blood clot, embolism, dissection or trauma. Symptoms usually start suddenly.
• Acute posterior multifocal placoid pigment: A rare eye disease where the central vision in one or both eyes is affected by inflammation or fluid build up in the retina. The retina lies at the back of the eye. Symptoms such as fever, headache and malaise often precede the eye symptoms. The cause of the condition is unknown but may have autoimmune origins.
• Acute promyelocytic leukemia: A rare bone marrow cancer characterized by a lack of mature blood cells and excessive amounts of immature blood cells (promyelocytes).
• Acute respiratory distress syndrome, Infant: A breathing disorder that occurs in infants. The underdeveloped lungs fail to functioning adequately and the body becomes deprived of oxygen. The condition is more likely to affect premature infants and the greater the prematurity, the greater the risk.
• Acute retinal necrosis syndrome: An acute infection of the eye usually caused by the chicken pox virus (varicella-zoster), herpes simplex or cytomegalovirus. One or both eyes may be involved.
• Acute rheumatic fever: Bacterial joint infection with risk of heart complications.
• Acute stress disorder: An acute anxiety state
• Acute tubulointerstitial nephritis and uveitis syndrome: The association of a sudden kidney disorder with eye inflammation. Autoimmune processes are believed to be involved.
• Acute upper respiratory infection: Upper respiratory tract infections, are the illnesses caused by an acute infection which involves the upper respiratory tract: nose, sinuses, pharynx or larynx
• Acute vitamin A toxicity: Acute ingestion of vitamin A can cause symptoms. Symptoms usually only last for a day or two.
• Acute zinc toxicity: Acute ingestion of zinc can cause symptoms.
• Acute zonal occult outer retinopathy: A very rare eye disorder where the retina at the back of the eye becomes inflamed. Vision loss usually starts suddenly and may then progress for a while. The cause of the inflammation is unknown. Usually vision returns to normal in 1 to 3 years but some people have permanent vision impairment
• Acyclovir - Teratogenic Agent: There is strong evidence to indicate that exposure to Acyclovir during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Acyl-CoA dehydrogenase, short chain, deficiency of: A rare disorder where the body lacks enzymes needed to convert some fats (short-chain fatty acids) into energy. Symptoms are exacerbated by fasting or acute illness. The severity of symptoms is variable with some patients remaining virtually asymptomatic their whole life while other suffer symptoms from infancy.
• Acyl-CoA dehydrogenase, very long chain, deficiency of: A rare inherited genetic condition where the body is unable to convert certain fats to energy i.e. there is not enough of a certain enzyme which is needed to metabolize a type of fat called long-chain fatty acids. The build-up of these fatty acids in the body causes damage. There are three subtypes of the disorder each with varying severity: severe early-onset form, an intermediate form and an adult-onset form.
• Adactylia unilateral: A rare hand malformation where the ends of the 2nd and 5th digits is missing. The nails on the affected fingers are tiny remnants.
• Adactylia unilateral dominant: A rare genetic condition characterized by missing portions of fingers usually with some sort of malformed remnant of a nail on the end of what is remaining of the finger.
• Adam and Eve poisoning: The Adam and Eve plant is a herb with heart-shaped leaves found in Europe. The plant contains a poisonous chemical called calcium oxalate crystals which can cause a variety of symptoms if ingested. Eye exposure can also cause symptoms due to the abrasive nature of the toxic chemical. Ingestion of the plant generally causes severe mouth pain. Skin exposure usually only causes minor, short-lived skin irritation.
• Adamantinoma: A very aggressive malignant cancer of the jaw. Also called ameloblastoma, adamantoblastoma or epithelioma adamantinum.
• Adams Nance syndrome: A rare genetic disorder characterized by rapid heartbeat, high blood pressure, small eyes and the presence of excess glycine in the urine.
• Adams-Oliver Syndrome: A very rare inherited disorder characterized by scalp, skull and limb abnormalities. The range and severity of the symptoms can vary greatly from mild to severe.
• Addiction symptoms: Symptoms related to addiction (physical or mental addiction)
• Addington disease: An epidemic disease which resembles polio and was first recorded in South Africa. The range and severity of symptoms experienced is variable and the disease may persist from a week to 3 months in some cases.
• Addison-Gull syndrome: A condition where scarring of the liver and bile ducts which results in chronic jaundice, enlarged spleen and liver and yellow skin plaques due to abnormal lipid metabolism.
• Adducted thumb syndrome recessive form: A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities.
• Adducted thumbs - arthrogryposis, Christian type: A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities.
• Adducted thumbs Dundar type: A rare disorder characterized by a thumb abnormality as well as mental retardation, foot defects and other anomalies.
• Adelaide I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Aarau type was discovered in Aarau.
• Adenine - Teratogenic Agent: Experimental studies on mice indicate that the use of Adenine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Adenine phosphoribosyltransferase deficiency: A rare genetic disorder where an enzyme (2, 8-dihydroxyadenine) deficiency results in urinary tract stone formation.
• Adenocarcinoid tumor: A rare type of tumor that occurs in the gastrointestinal tract and tends to metastasize. The symptoms are determined by the location of the tumors.
• Adenocarcinoma of lung: A tumor that develops in the lining of the lung. The tumor is usually slow growing.
• Adenocarcinoma of the lung: It is one of the main types of lung cancers. Adenocarcinoma of the lung arises from the secretory (glandular) cells located in the epithelium lining the bronchi.
• Adenocarcinoma, Bronchiolo-Alveolar: A form of lung cancer that develops in the bronchioles or alveoli.
• Adenocarcinoma, Clear Cell: A type of cancer that occurs mainly in the genitourinary tract and the cells that make up the tumor are clear. It is very rare and most cases occur in females whose mothers used a drug called DES (synthetic estrogen) while pregnant.
• Adenocarcinoma, Follicular: A type of cancer of the thyroid gland.
• Adenoid cystic carcinoma: A malignant cancer in the form of cysts which may occur in the salivary glands, breast, mucous glands of the respiratory tract and sometimes in vulval vestibular glands. Also called adeoncystic carcinoma, adenomyoepithelioma, cribriform carcinoma or cylindroma.
• Adenoid cystic carcionoma: Adenoid cystic carcinoma of the breast is a rare neoplasm. It has a biological course of slow progression and near absence of Iymph node metastasis.
• Adenoid disorders: A disorder of the adenoids of the throat
• Adenoiditis: Infection of the adenoids in the nasal-throat region
• Adenomatous Polyposis of the Colon, autosomal dominant: A genetic condition characterized by the development of adenomatous polyps mainly in the colon and rectum. There may be hundreds or thousands of polyps and these polyps have a predisposition for becoming cancerous. The condition is inherited in an autosomal dominant manner and occurs in a familial pattern. Most patients have at least one parent with the condition.
• Adenomyosis: presence of ectopic endometrial tissue in the myometrium
• Adenopathy: Gland enlargement.
• Adenophorea Infections: A parasitic roundworm infection. Roundworms can be found in water and soil environments as well as on plants and in animals.
• Adenosarcoma of the uterus: A tumor that develops from the glands that line the uterus.
• Adenosine deaminase deficiency: A rare disorder where a deficiency in the activity of adenosine deaminase causes severe immunodeficiency which in turn results in frequent severe bacterial, viral and fungal infections.
• Adenosine deaminase, elevated, hemolytic anemia due to: A rare inherited disorder where there is a high level of an enzyme called adenosine deaminase in red blood cells. The high level of this enzyme results in premature destruction of red blood cells which ultimately leads to anemia. The severity of the anemia is determined by the level of excessive enzyme activity.
• Adenosine monophosphate deaminase deficiency: A rare metabolic disorder characterized by a deficiency of adenosine monophosphate deaminase which affects muscle energy production. The condition is usually asymptomatic but some people suffer from muscle pain, cramps and fatigue following exercise.
• Adenovirus-related Cold: An Adenovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Adenovirus. Although colds can cause discomfort they are not considered a serious condition.
• Adenoviruses: Common viruses causing common cold and various other ailments.
• Adenylosuccinate lyase deficiency: A rare inherited disorder characterized by a deficiency of the enzyme called adenlyosuccinate lyase which generally results in psychomotor retardation and autistic behavior.
• Adhesions: A fibrous band or structure by which parts abnormally adhere
• Adhesive abuse: Adhesive abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Adhesives include household glues, rubber cement and model aeroplane glue. These adhesives can be abused by sniffing them, spraying directly into the mouth, heating them and then inhaling them or injecting them directly into the body.
• Adhesive addiction: Adhesive addiction refers to the compulsive need to abuse adhesives (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are very damaging to the body and can readily result permanent brain damage and even death. Death can occur through chronic use and in rare cases can occur after one session of use. Children and teenagers are particular at risk for this type of addiction - it is readily available and users feel it gains them greater acceptance from their peers. Adhesives includes household glue, rubber cement and model airplane glue.
• Adie syndrome: A rare condition where the pupil of the eye is dilated and reacts very slowly to light and other stimulus. Knee and ankle reflexes are also impaired.
• Adies Syndrome: A condition where the pupil of one eye responds slower to a stimulus such as light or change in distance than the other as well as reduced or absent tendon reflexes (eg in the ankle and knee jerk reflexes).
• Adjustment Disorder: This is a maladaptive reaction to identifiable stress
• Adnexal and Skin Appendage Neoplasms: A type of tumour that develops on particular organs - eyes, skin and uterus. The tumors are usually benign but some may become malignant. The symptoms will vary depending on the location of the tumor and whether it is benign or malignant. These type of tumors tend to be most common in middle-aged women.
• Adolescent cataract and infertility syndrome: A rare syndrome characterized mainly by cataracts and infertility in male adolescents.
• Adolescent conditions: Symptoms that are evident due to puberty
• Adolescent depression: It isnot unusual for young people to experience "the blues" or feel low occasionally. Adolescence is always an unsettling time, with the many physical, emotional, psychological and social changes that accompany this stage of life.
• Adrenal Cancer: A malignant cancer that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids. Adrenalin and noradrenalin are the hormones made in the medulla (central part of the adrenal gland).
• Adrenal Cortex Diseases: Diseases of the adrenal cortex. Examples includes Addison's disease, Cushing's syndrome and adrenal fatigue.
• Adrenal Cortex Neoplasms: A tumor that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids.
• Adrenal Hyperplasia, Congenital (General): Congenital adrenal hyperplasia is an inherited condition characterized by adrenal insufficiency. It is caused by a deficiency in an enzyme needed to produce certain adrenal hormones such as cortisol and aldosterone.
• Adrenal adenoma, familial: A benign tumor that develops in the adrenal gland and tends to run in families. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids . Adrenalin and noradrenalin are the hormones made in the medulla (central part of the adrenal gland).
• Adrenal disorders: Disorders affecting the adrenal glands
• Adrenal gland hyperfunction: Excessive activity of the adrenal gland which causes excessive production of one or more adrenal hormones (aldosterone, corticosteroids, androgenic steroids, epinephrine and norepinephrine). The increased adrenal gland activity may be caused by an adrenal gland tumor or by excessive stimulation of the gland. Pituitary hormones stimulate adrenal gland activity.
• Adrenal gland hypofunction: Reduced adrenal gland activity due to damage to the adrenal gland or lack of stimulation of the gland. Pituitary hormones stimulate adrenal gland activity.
• Adrenal gland symptoms: Symptoms affecting the adrenal glands
• Adrenal hemorrhage, neonatal: Hemorrhage of the adrenal gland after birth. The severity of the disorder is varies from a small hemorrhage to damage to the whole adrenal gland. Sometimes the condition is discovered incidentally during ultrasounds for other reasons. The hemorrhage may occur as the result of a variety of causes including adrenal tumor, neonatal stress, and blood coagulation disorder or for no apparent reason.
• Adrenal hyperplasia: A group of disorder that occur when there is a problem in the process of making adrenal corticosteroids.
• Adrenal hyperplasia, congenital type 3: A group of disorders that occur when a deficiency of 21-hydroxylase impairs the normal process of making adrenal corticosteroids. The severity of the condition is variable depending on the degree of deficiency.
• Adrenal hyperplasia, congenital, due to 11-Beta-hydroxylase deficiency: A rare form of congenital adrenal hyperplasia characterized by a deficiency of 11-Beta-hydroxylase which results in excess androgen production and hypertension. The disorder can occur in virilizing, hypertensive and salt-wasting forms and symptoms may range from mild to severe.
• Adrenal hypertension: Adrenal hypertension is high blood pressure caused by adrenal gland problems. For example, an adrenal tumor can cause excessive production of aldosterone which in turn causes salt-retention and high blood pressure. Severity of symptoms varies depending on the underlying cause.
• Adrenal hypoplasia congenital, X-linked: A genetic disorder which affects the body tissues that produce hormones. It is characterized by underdeveloped adrenal glands which results adrenal insufficiency and hypogonadotrophic hypogonadism.
• Adrenal incidentaloma: A tumor of the adrenal gland that is discovered incidentally while performing an imaging examination for reasons other than an adrenal tumor. The tumor may be asymptomatic or can causes excessive secretion of adrenal hormones and resulting symptoms. The tumor may also be malignant or benign.
• Adrenal medulla neoplasm: A tumor that develops in the part of the adrenal gland called the medulla which produces adrenalin and noradrenaline. The tumor is usually benign but can be malignant.
• Adrenocortical carcinoma: A condition which is characterized by malignancy which affects the adrenocortex.
• Adrenoleukodystrophy: A rare hereditary metabolic disease that only occurs in male children and is characterized by adrenal atrophy and extensive cerebral demyelination causing progressive loss of mental functioning, aphasia, apraxia and sometimes blindness. The patient usually dies within 5 years.
• Adrenoleukodystrophy, autosomal, neonatal form: A rare inherited disorder involving the adrenal glands, testes and certain parts of the brain (white matter). It is a less severe form of leukodystrophy where an abnormality within the body cells prevents the metabolism of certain fats (long chain fatty acids).
• Adrenomyeloneuropathy: A form of X-linked adrenoleukodystrophy characterized by spinal cord dysfunction and brain involvement may or may not be present. Those with brain involvement suffer serious symptoms that can eventually lead to total disability and even death.
• Adrenomyodystrophy: A rare genetic disorder characterized by primary adrenal insufficiency, dystrophic myopathy, severe psychomotor retardation and an overly-distended bladder which can cause death.
• Adult ADD: Attention Deficit Disorder (ADD) is a mental disorder with symptoms such as hyperactivity, inattention, poor concentration, and other similar symptoms. The disorder is called "ADHD" in modern times; see more details about Adult ADHD.

  ADD can be undiagnosed into adulthood and the adult will have varying levels of dysfunction in their work, home and social lives. Affected adults have issues with as difficulting focusing on work tasks, boredom, distractedness, and so on. See symptoms of Adult ADHD.

• Adult ADHD: Adult ADHD, (attention deficit hyperactivity disorder) is a common neurobehavioral developmental disorder with an onset in childhood that continues into adulthood. Children do not simply grow out of ADHD, as is often believed. Just the opposite is commonly true - the symptoms of ADHD often get worse as a child grows into adulthood. The predominant behaviors of adult ADHD are the same as in children and include:
  • Inattentiveness
  • Hyperactivity
  • Impulsivity

  These behaviors result in difficulties with:

  • Concentration
  • Remaining focused on a task or activity
  • Controlling behavior
  • Hyperactivity or over-activity

  The symptoms of adult ADHD can be treated, but there currently is no cure for the disorder. Most people with ADHD can be successfully treated and lead normal, productive lives at home, work, school and with friends and family. The cause or causes of ADHD are not yet known, although researchers believe that genes may be one factor in the development of the disease. It is most likely that the disorder is the result of a combination of elements, including environmental factors, traumatic head injuries, nutrition, and social influences.

• Adult Acne: An eruption of 'common' acne occurring in a non-adolescent, usually women in their twenties and thirties
• Adult Cystic Fibrosis: Cystic fibrosis is an inherited condition characterized by the production of thick sticky mucus by the mucus glands in the lungs, intestines, liver and pancreas. The condition is most often diagnosed in children or young adults but occasionally, relatively mild symptoms may lead to frequent misdiagnosis or no diagnosis at all unless the symptoms become worse. The condition may be misdiagnosed as emphysema, asthma or chronic bronchitis. It is usually females with a mild form of the disease who tend to be diagnosed at a later age.
• Adult Panic-Anxiety Syndrome: A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason.
• Adult SMA: Form of Spinal Muscular Atrophy in adults.
• Adult T-Cell leukemia: A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may lay dormant for decades. There are four subtypes: acute, chronic, lymphoma and smoldering. The acute and lymphoma subtypes have the poorest prognosis.
• Adult T-Cell lymphoma: A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may lay dormant for decades. There are four subtypes: acute, chronic, lymphoma and smoldering. The acute and lymphoma subtypes have the poorest prognosis. The lymphoma subtype is aggressive and tends to affect the lymph nodes more than the blood.
• Adult hypophosphatasia: An rare inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate. The condition involves the early loss of primary teeth and childhood rickets followed by a reasonable health until mid-adulthood when dental and skeletal abnormalities again become prevalent.
• Adult low grade infiltrative supratentorial Astrocytoma: A type of brain cancer that occurs in the supratentorial region of the brain of adults and is relatively non-aggressive.
• Adult onset Still's disease: A form of Still's disease that has a later onset and involves arthralgia or arthritis and a characteristic rash that often appears during periods of temperature increase.
• Adult onset angioedema: Tissue swelling that develops during adulthood. The condition may be caused by a variety of disorders such as certain cancers or allergy.
• Adult progressive spinal muscular atrophy, Aran Duchenne type: A group of inherited motor neuron diseases involving progressive muscle weakness, wasting and paralysis due to degeneration of motor neurons in the spinal cord. Muscle weakness and wasting usually starts in the hands and may gradually spread to other muscle groups.
• Adult respiratory distress syndrome: A condition which is characterized by fulminant pulmonary interstitial alveolar oedema.
• Adult-onset asthma: Adult-onset asthma is a type of asthma that occurs during adulthood. Asthma involves constriction and inflammation of the airways. The severity of symptoms is variable. Allergies account for about half the cases of adult-onset asthma.
• Advanced circadian rhythm disorder: A circadian rhythm sleep disorder where a person’s body clock runs faster than normal which results in a shortened sleep period with early awakening.
• Advanced sleep phase syndrome: ASPS is a condition in which patients feel very sleepy early in the evening (e.g. 18:00-19:00) and wake up very early in the morning (e.g. 03:00).
• Adverse reaction to chemical - 1,1-Dichloroethene: 1,1-Dichloroethene is a chemical used in packaging, food wraps, carpet backing, adhesives and steel pipe coating. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies amongst patients.
• Adverse reaction to chemical - 1,2-Dibromo-3-Chloropropane: 1,2-Dibromo-3-Chloropropane is a chemical used in soil fumigants and as a nematocide for various field crops. Commercial examples include Fumagon, Nemagon, Fumazone, Nemapax, Nemafume. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies depending on the amount of chemical involved and the route of exposure.
• Adverse reaction to chemical - 1,2-Dibromoethane: 1,2-Dibromoethane is a chemical used in gasoline, soil fumigants, fire extinguishers, flue gases and mechanical gauge fluid. Excessive exposure to this chemical can cause serious symptoms. The severity of symptoms varies amongst patients.
• Adverse reaction to chemical - 1-Propanol: 1-Propanol is a chemical used in various antiseptics, polishes, cleaners, cosmetics and lacquer. Some people can suffer an adverse reaction to the chemical which mainly involves irritation to the part of the body exposed to the chemical - eyes, skin and gastrointestinal. The severity of symptoms varies amongst patients.
• Adverse reaction to chemical - Allyl trichloride: Allyl trichloride is a chemical used mainly as a varnish or paint remover, cleaning agent or degreasing agent. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies amongst patients.
• Adversive syndrome: A rare condition where the patient turns compulsively when trying to move forwards. It can be caused by damage to a part of the brain called the Brodmann's area, neurosurghery, brain tumor or other brain lesions.
• Aelurophobia: An exaggerated or irrational fear of cats.
• Aerophobia: An exaggerated or irrational fear of fresh air, breezes and flying.
• Aerosol abuse: Aerosol abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Aerosols include air fresheners, hair spray, spray pain and deodorants. These aerosols can be abused by sniffing them, spraying directly into the mouth, heating them and then inhaling them or injecting them directly into the body.
• Aerosol addiction: Aerosol addiction refers to the compulsive need to abuse aerosol (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are very damaging to the body and can readily result permanent brain damage and even death. Death can occur through chronic use and in rare cases can occur after one session of use. Children and teenagers are particular at risk for this type of addiction - it is readily available and users feel it gains them greater acceptance from their peers. Aerosols includes spray pain, air freshener, deodorants and hair sprays.
• Aerotitis syndrome: Trauma to the blood vessels in the ears caused by rapid changes in atmospheric pressure. Blockage of the Eustachian tube in the ear prevents equalization of air pressure and a vacuum develops inside the ear. Yawning or chewing can sometimes alleviate symptoms by opening up the Eustachian tube.
• Affective Disorders, Psychotic: A mental disorder involving mood disturbance and psychotic symptoms.
• Aflatoxicosis: Poisoning from ingestion of aflatoxins.
• Aflatoxin B1 exposure: Aflatoxin B1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
• Aflatoxin B1- Teratogenic Agent: Reports indicate that the use of Aflatoxin B1 during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aflatoxin B2 exposure: Aflatoxin B2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
• Aflatoxin G1 exposure: Aflatoxin G1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
• Aflatoxin G2 exposure: Aflatoxin G2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
• Aflatoxin exposure: Aflatoxins are toxins produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
• African Kaposi's sarcoma: Endemic Kaposi sarcoma (KS) occurs in people living in Equatorial Africa and is sometimes called African KS. An aggressive form of African Kaposi's sarcoma can spread quickly to the bones. Another form found in African children does not affect the skin. Instead, it spreads through the lymph nodes and vital organs, and can quickly become fatal.
• African Sleeping sickness: A disease caused by parasites (Trypanosome brucei gamiense or T. brucei rodesiense) and transmitted to humans by the tsetse fly which is found only in Africa. Causes symptoms such as fever, chills, headache, anemia, edema of hands and feet, enlarged lymph glands, lethargy, sleepiness, convulsions and coma. Also called African trypanosomiasis and sleeping sickness.
• African hemp exposure: The African hemp is a shrubby flowering plant which bears fruit and originated in South Africa. The hairs on the leaves of the plant can irritate the skin but it is usually only minor and short-lived.
• African milk bush poisoning: The African milk bush originated from African and is a shrubby plant with small flowers. The milky sap contains diterpene esters which can cause symptoms if it is eaten or if the sap comes into contact with the skin or eyes. It can cause severe skin irritation and the high toxicity of the sap can cause death if sufficient quantities are eaten.
• African tick typhus: A tick-borne rickettsial disease that occurs in the eastern hemisphere. Symptoms include fever, small ulcer at site of tick bite, swollen lymph glands nearby and a red raised rash.
• Afridol Blue - Teratogenic Agent: Experimental studies on rats indicate that the use of Afridol Blue during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Agalmatophilia: A sexual attraction to statues, mannequins or dolls.
• Agammaglobulinemia: A rare genetic disorder, which inhibits the normal growth of B cells and results in immunoglobulin deficiency.
• Agammaglobulinemia - microcephaly - craniosynostosis - severe dermatitis: A rare disorder characterized by a small head, agammaglobuliemia and severe dermatitis.
• Agammaglobulinemia, X-linked, type 2: An immune system disorder involving a lack of mature B lymphocytes. The disorder occurs as a result of a defect on chromosome Xp22. Only males are symptomatic.
• Agammaglobulinemia, alymphocytotic type: A rare inherited immunodeficiency disorder involving a lack of T and B lymphocytes which makes the patient susceptible to bacterial and viral infections.
• Agammaglobulinemia, autosomal recessive: A rare recessively inherited immune system disorder involving a lack of mature B lymphocytes.
• Agammaglobulinemia, microcephaly, and severe dermatitis: A rare disorder characterized by a small head, agammaglobuliemia and severe dermatitis.
• Agammaglobulinemia, non-Bruton type: An inherited immune system disorder involving a lack of mature B lymphocyte.
• Agammaglobulinemias, Primary: A group of inherited conditions characterized by a defective immune system.
• Aganglionosis, total intestinal: A developmental defect of the intestinal tract where the muscles of the intestines are unable to function and move food along the digestive tract. This form of Hirschsprung disease is differentiated from the other types by the location of the genetic defect.
• Agapanthus poisoning: The agapanthus is a flowering herb with long leaves, long thick stems and a cluster of blue or white flowers. The plant originated in South Africa. Skin and eye exposure to sap from the plant can cause irritation and eating the plant can cause severe mouth pain. The skin irritation tends to be short-lived.
• Age-related macular degeneration: Deterioration of the central field of vision.
• Agenesis of salivary glands and lacrimal glands: A rare syndrome characterized by absent or severely underdeveloped salivary and lacrimal glands. The ducts openings are usually absent also.
• Agenesis of the corpus callosum - mental retardation - coloboma - micrognathia: A rare inherited disorder characterized by mental retardation, coloboma, small jaw and a brain anomaly.
• Agent Orange - Teratogenic Agent: Reports indicate that the use of Agent Orange during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined and is still a controversial subject.
• Aggression: Overly aggressive behavior.
• Aggressive NK-cell leukaemia: An aggressive form of blood cancer involving the rapid proliferation of natural killer (NK) cells.
• Aggressive fibromatosis: A rare type of tumor which is locally invasive but not malignant. Symptoms will vary depending on the exact location and size of the tumor and also whether it compresses adjacent structures.
• Aggressive fibromatosis - parapharyngeal space: A type of tumor that occur near in the space around the pharynx and is locally invasive but not malignant. They tend to occur mainly in the head and neck region and symptoms depend on the exact location and aggressiveness of the tumor. Tumors often reoccur after surgical removal which then requires further treatment with radiation and chemotherapy.
• Aggressive systemic mastocytosis: The excessive proliferation of mast cells. Mast cells control the skin's response to minor injury and release a chemical called histamine which causes the skin to redden. In the aggressive form, mast cells accumulate in the liver, spleen and lymphatic system.
• Aging brain syndrome: Aging processes in the brain can cause various psychological and neurological symptoms.
• Aglossia and situs inversus: A rare birth defect where the location of the internal organs are opposite to where they should be i.e. the heart is on the right side instead of the left. This condition is also characterized by the absence of the tongue.
• Agnathia-holoprosencephaly-situs inversus: A very rare disorder characterized by a small or absent jaw, developmental brain defect and internal organs situated on the wrong side of the body (situs inversus). The severity and range of symptoms is variable.
• Agnathia-microstomia-synotia: A rare disorder characterized by an absent or very small lower jaw, small mouth and ear lobes which are very close together or even fused (synotia).
• Agnosia: is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss
• Agnosia, primary visual: A reduced or complete loss of ability to recognize familiar objects or people by using their visual senses. The condition is caused by a brain abnormality rather than a problem with any of the senses.
• Agranulocytosis: Extremely low level of white blood cells (basophils, eosinophils and neutrophils).
• Aguecheek disease: Patients with liver disease who develop symptoms of dementia after eating lots of protein (meat has a high protein level) due to an intolerance to the nitrogenous compounds in the protein.
• Agyria pachygyria polymicrogyria: A very rare disorder characterized by abnormal brain development.
• Agyria-pachygyria type 1: Abnormal brain development where the brain fails to develop normally during the fetal stage.
• Agyrophobia: An exaggerated or irrational fear of crossing roads. It includes a fear of being attacked on the street or being unable to defend oneself while crossing the road.
• Ahumada-Del Castillo Syndrome: A form of secondary amenorrhea often resulting from a pituitary gland tumor. The condition causes galactorrhea and amenorrhea even when the patient is not pregnant.
• Aicardi syndrome: A rare genetic disorder where the structure connecting the two halves of the brain fails to develop which results in seizures and eye abnormalities .
• Aicardi-Goutieres syndrome: A rare inherited progressive disease that affects the brain and immune system.
• Aicardi-Goutieres syndrome 1: A rare inherited progressive disease that affects the brain and immune system. Type 1 is caused by a defect on chromosome 3p21.3-p21.2.
• Aicardi-Goutieres syndrome 2: A rare inherited progressive disease that affects the brain and immune system. Type 2 is caused by a defect on chromosome 13q14-q21.
• Aicardi-Goutieres syndrome 3: A rare inherited progressive disease that affects the brain and immune system. Type 3 is caused by a defect on chromosome 11q13.2.
• Aicardi-Goutieres syndrome 4: A rare inherited progressive disease that affects the brain and immune system. Type 4 is caused by a defect on chromosome 19p13.13.
• Aicardi-Goutieres syndrome 5: A rare inherited progressive disease that affects the brain and immune system. Type 5 is caused by a defect on chromosome 3p21.3-p21.2.
• Aichmophobia: An exaggerated or irrational fear of pointy objects or needles.
• Ainhum: A rare condition where a tough band of tissue tightens around a body part and causes it to fall off (autoamputation). Mostly seen in barefooted Africans where the fifth toe autoamputates.
• Aino Virus - Teratogenic Agent: Experimental studies on chickens indicate that the use of Aino Virus during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Airborne allergy: An airborne allergy is an adverse reaction by the body's immune system to airborne allergens such as pollen, mold spores and house dust mites. The specific symptoms that can result can vary amongst patients.
• Airway obstruction: airway obstruction is a blockage of the upper airway, which can be in the trachea, laryngeal (voice box), or pharyngeal (throat) areas or involve the bronch.
• Akaba-Hayasaka syndrome: A very rare syndrome characterized mainly by a prominent forehead, cloudy corneas, low nasal bridge, underdeveloped chest and short limbs.
• Akabane Virus - Teratogenic Agent: Experimental studies on cattle indicate that the use of Akabane Virus during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Akesson syndrome: A very rare syndrome characterized by excessive skin folds and furrows on the scalp, mental retardation the failure of the thyroid to develop.
• Akinetic mutism: Damage to parts of the brain (e.g. demyelinization and hydrocephalus) which results in a person being unable to talk or move despite the fact that they appear alert at times.
• Aksu von Stockhausen syndrome: A rare condition observed in a Turkish family and characterized by various head and neck malformations that have resulted from abnormal development of the branchial arches.
• Al Awadi syndrome: A rare syndrome characterized primarily by severe malformations involving the limbs and pelvis.
• Al Awadi-Raas-Rothschild syndrome: A rare syndrome characterized primarily by severe malformations involving the limbs and pelvis. The exact type and severity of symptoms is variable. Most cases appear to occur in cases where the parents were related.
• Al Gazali - Nair syndrome: A very rare syndrome characterized by bone abnormalities, eye problems, seizures and developmental delay. The reported cases involved related parents.
• Al Gazali Aziz Salem syndrome: A rare syndrome characterized mainly by heart disease, short stature and a webbed neck.
• Al Gazali Hirschsprung syndrome: A rare disorder characterized by Hirschsprung disease (an intestinal disorder), nail abnormalities and facial anomalies.
• Al Gazali Sabrinathan Nair syndrome: A very rare syndrome characterized by bone and eye problems, seizures and mental retardation.
• Al Gazali-Khidr-Prem Chandran: A very rare syndrome characterized mainly by short stature, eye problems and an unusual cherubic facial appearance.
• Al Murrah-induced lead poisoning: Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Alacrimia, congenital: A birth defect characterized by a lack of tear production occurs from infancy. The lack of tears may stem from defects in the glands that produce the tears or in the tear ducts which carry the tubes.
• Alagille syndrome: A genetic disorder affecting the liver and characterized by the absence of some or all of the liver bile ducts that transport bile within the liver.
• Alajouanine syndrome: A birth disorder characterized mainly by clubfoot, strabismus and facial paralysis. The facial paralysis is caused by damage to the 6th and 7th cranial nerve.
• Alar cartilages hypoplasia - coloboma - telecanthus: A rare inherited disorder characterized by a cleft in the nose cartilage and an increased distance between the corner of the eye and the nose (telecanthus).
• Alarcon-induced lead poisoning: Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Alba/Geneva I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Alba/Geneva I type was discovered in Alba/Geneva I.
• Albatross syndrome: Symptoms that occur after partial or total surgical removal of the stomach in patients with personality disorders. The symptoms experience may be due to a peptic ulcer, salicylate addiction or for no detectable reason.
• Albayaidle-induced lead poisoning: Albayaidle is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Albayalde-induced lead poisoning: Albayalde is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Albendazole - Teratogenic Agent: Experimental studies on rats indicate that the use of Albendazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Albers-Schonberg disease - Adult benign dominant form: A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The adult benign form is associated with a normal life expectancy and is often asymptomatic.
• Albers-Schonberg disease - malignant recessive form: A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The malignant infantile form is the most severe form of this disorder and death usually occurs in the first decade of life.
• Albinism deafness syndrome: A rare syndrome characterized by the association of deafness with partial albinism involving patches of absent pigmentation in the skin and hair. The disorder is inherited in a X-linked manner.
• Albinism immunodeficiency: A medical condition characterized by the association of immune system problems and albinism.
• Albinism ocular late onset sensorineural deafness: A rare inherited condition characterized by a lack of eye pigmentation and deafness that usually starts in middle-age. Severity of symptoms is variable.
• Albinism, minimal pigment type: A rare inherited disorder characterized by a total lack of pigmentation at birth. However, during the first decade of life, some pigmentation does develop in the eyes. The disorder is believed to be a part of a disorder called oculocutaneous albinism type 1B.
• Albinism, ocular, autosomal recessive: A rare inherited condition characterized by reduced eye pigmentation with normal, or near normal hair and skin pigmentation.
• Albinism-deafness of Tietz: Tietz syndrome is a relatively rare condition characterized by deafness and albinism. It should not be confused with the similarly named Tietz's syndrome which involves inflammation of chest cartilage.
• Albright like syndrome: A rare disorder characterized by mental retardation, short stature and finger and toe abnormalities.
• Albright's hereditary osteodystrophy: A rare genetic disorder where the body fails to recognize and respond to the parathyroid hormone. The parathyroid hormone is involved in controlling the blood levels of calcium and phosphate.
• Albuminuria: The presence of albumin (a blood protein) in the urine.
• Albuterol - Teratogenic Agent: There is strong evidence to indicate that exposure to Albuterol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Alclometasone - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Alclometasone during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Alcohol - Teratogenic Agent: There is strong evidence to indicate that exposure to Alcohol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Alcohol Withdrawal: Symptoms that occur when alcohol consumption is discontinued or reduced. Symptoms may vary depending on the level of dependence.
• Alcohol abuse: Excessive alcohol as a symptom of other conditions
• Alcohol drinking: The consumption of a drink containing alcohol. Alcohol consumption can cause varying degrees of impairment depending on the amount consumed. Consuming very large amounts of alcohol can lead to death.
• Alcohol sensitivity, acute: A genetic anomaly which increases a person's sensitivity to alcohol. For example, East Asians tend to feel the effects of alcohol (facial flushing, intoxication) more than Caucasians who drink the same amount of alcohol.
• Alcohol-Induced Disorders: Disorders caused by excessive alcohol consumption. The symptoms are variable depending on the disorder involved. Some of the disorders are: alcohol abuse, alcohol dependence, alcohol intoxication, alcohol withdrawal, alcohol intoxication delirium, alcohol withdrawal delirium, alcohol-induced persisting dementia, alcohol-induced persisting amnestic disorder, alcohol-induced psychotic disorder, alcohol-induced mood disorder, alcohol-induced anxiety disorder, alcohol-induced sexual dysfunction, alcohol-induced sleep disorder, liver damage, liver cancer and esophageal cancer.
• Alcohol-induced hypertension: Alcohol-induced hypertension is high blood pressure caused by excessive drinking of alcohol.
• Alcohol-induced pseudo-Cushing syndrome: The excessive consumption of alcohol can result in symptoms similar to a condition called Cushing's syndrome. When alcohol consumption is stopped, symptoms regress.
• Alcoholic Neuropathy: Neurological changes due to nerve damage from long-term alcohol consumption
• Alcoholic intoxication: The excessive consumption of alcohol can have toxic effects on the body and can ultimately result in death in severe cases.
• Alcoholic liver disease: Alcoholic liver disease is the major cause of liver disease in Western countries, (in Asian countries, viral hepatitis is the major cause). It arises from the excessive ingestion of alcohol.
• Alcoholic paranoia: Paranoia that can occur in some people after alcohol consumption.
• Alcoholic polyneuropathy: A condition where damage to many peripheral nerves throughout the body results from excessive alcohol consumption. The sensory nerves tend to be affected more than the motor nerves and the legs are usually more affected than the arms.
• Alcoholic, reversible acute muscular: Muscle cramps associated with chronic alcohol abuse.
• Aldehyde syndrome: A metabolic anomaly where consumption of alcohol results in high levels of blood acetaldehyde which causes a variety of symptoms.
• Aldolase A deficiency: A rare condition where a deficiency of the enzyme called aldolase A causes muscle problems and anemia.
• Aldred syndrome: A rare disorder characterized by the presence of mental retardation and retinitis pigmentosa the starts earlier than normal. Female carriers tend to have only vision symptoms without mental retardation.
• Alektorophobia: An exaggerated or irrational fear of chickens.
• Alendronate - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Alendronate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aleukemic leukemia cutis: A rare form of leukemia where the skin is involved before the leukemic cells appear in the blood. It is usually an early sign of leukemia.
• Alexander Syndrome: Brain myelin disorder causing mental degeneration.
• Alezzandrini syndrome: A rare condition involving degenerative eye disease in one eye, followed by other facial symptoms on the same side and hearing impairment. The condition progresses over months or years.
• Algolagnia: Sexual perversion where sadism and masochism is also involved.
• Algophobia: An anxiety disorder where the sufferer is fearful of experiencing pain or seeing others experiencing it.
• Alibert disease 2: A localized skin infection spread by sandflies and caused by Leishmania tropica. Infections are most common in South America, Midddle East, Mediterranean and Africa. The incubation period lasts from weeks to months.
• Alibert disease 3: An inflammatory skin disorder which involves the hair follicles in the beard area. Infection can be spread through contaminated brushes, combs and shaving tools.
• Alien hand syndrome: A condition where a person seems to have no sense of association with their own hand. They feel that the hand is not under their control and moves on its own. Sometimes the patient may be unaware of the hands movements unless it is brought to their attention. The condition can result from a brain injury, stroke or infection or from brain surgery.
• Alkaptonuria: A rare inherited metabolic disease characterized by homogentisic aciduria, arthritis and ochronosis. Symptoms include darkening of urine, alkinization due to overproduction of homogentisic acid, arthritis in the large joints and black ochronotic pigmentation of cartilage and collagen tissue. However, many of these symptoms may not occur until middle age. The condition may also be caused by chronic phenol poisoning.
• Allain Babin Demarquez syndrome: A rare syndrome characterized by premature fusion of skullbones, abnormal development of skeletal bones and hypertension.
• Allan-Herndon-Dudley Syndrome: A very rare inherited disorder characterized primarilty by mental retardation.
• Allanson-Pantzar-McLeod syndrome: A rare genetic disorder where abnormal development of kidney tubules results in severe kidney problems that start during the fetal stage.
• Allen-Masters syndrome: Damage to muscle layers in the pelvis which allows the abnormally increased movement of the cervix. It often occurs after a traumatic surgical birth, induced abortion or excessive vaginal packing.
• Allergenic cross-reactivity: Studies have indicated that a significant number of people with certain allergies will also have allergic responses to other allergens which have a similar protein. For example patients allergic to birch pollen will often have allergies to plant foods such as apples and peaches. Symptoms can range from mild response to severe allergic reactions. Cross-reactivity tends to have mainly oral allergy symptoms with breathing problems and anaphylactic reactions being extremely rare. Food allergies related to cross-reactivity tend to be less severe than those not related to cross-reactivity.
• Allergic Disorders: A group of disorders that a caused by an allergic response to allergens
• Allergic asthma: A form of asthma caused by inhalation of airborne allergenic substance.
• Allergic bronchopulmonary aspergillosis: An allergic reaction that occurs in the bronchopulmonary tract due to the occurrence of aspergillosis
• Allergic conjunctivitis: also known as vernal catarrah
• Allergic contact dermatitis: An allergic contact dermatitis is where the body's immune system causes a skin reaction in response to direct contact with an allergen. Symptoms usually only affect the skin directly in contact with the allergen but in severe cases, symptoms may spread around the contact site or even become widespread across the body.
• Allergic encephalomyelitis: An autoimmune brain and spinal cord disease that can be induced in laboratory animals in experimental settings. The disease involves inflammation and degeneration of nerve myelin sheaths and it may be acute or chronic.
• Allergic irritability syndrome: Symptoms such as irritability and poor concentration associated with nose, ear and sinus symptoms caused by allergies such as hayfever.
• Allergic rhinitis: An allergic reaction of the nasal mucosa that may occur seasonally
• Allergic seminal vulvovaginitis: Vaginal inflammation following contact with semen after ejaculation.
• Allergic tension-fatigue syndrome: Variable symptoms caused by food allergy.
• Allison atrophy: Wasting and loss of minerals in bones that are not used for periods of time. Astronauts have to ensure they do adequate exercise to prevent this condition.
• Allopurinol hypersensitivity syndrome: An immune reaction to the ingestion of a drug called allopurinol. It is a potentially fatal disorder.
• Allyl Alcohol - Teratogenic Agent: Experimental studies on mice indicate that the use of Allyl Alcohol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Almokalant - Teratogenic Agent: Experimental studies on rats indicate that the use of Almokalant during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Alméria I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Alméria I type was discovered in Alméria I.
• Aloe - Teratogenic Agent: Experimental studies on rats indicate that the use of Aloe during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aloe poisoning: Aleo vera is often used on the skin to treat such things as burns and dermatitis. The sap from the leaves contain a chemical called anthraquinone glycoside which can cause skin irritation in susceptible people but can also cause poisoning symptoms.
• Alopecia: Partial or total loss of hair due to aging, an endocrine disorder, drug reaction, anticancer medication or skin disease.
• Alopecia - hypogonadism - extrapyramidal disorder: A rare syndrome characterized by alopecia, progressive movement problems and a lack of gonadal function which affects puberty.
• Alopecia - macular degeneration - growth retardation: A rare syndrome characterized mainly by repeated loss of hair, retarded growth and degeneration of the macula of the eye.
• Alopecia Totalis: An autoimmune disorder where there is a total loss of all head hair i.e. complete baldness.
• Alopecia breakdancia: A patch of hair loss caused by doing head spins during break dancing.
• Alopecia congenita keratosis palmoplantaris: An extremely rare condition characterized by thickening of skin on the palms and soles and lack of hair.
• Alopecia immunodeficiency: A rare syndrome characterized by alopecia and primary immunodeficiency.
• Alopecia mental retardation hypogonadism: A rare syndrome characterized by mental retardation, abnormal gonad functioning and a total lack of hair at birth. After childhood, sparse hair growth may occur.
• Alopecia mental retardation syndrome: A rare syndrome characterized primarily by a lack of hair and mental retardation.
• Alopecia universalis: Complete loss of all body hair.
• Alopecia universalis - onychodystrophy - vitiligo: A rare syndrome characterized by the association of total hair loss, vitiligo and abnormal nails.
• Alopecia, anosmia, deafness, hypogonadism syndrome: A rare
• Alopecia, epilepsy, oligophrenia syndrome of Moynahan: A rare condition characterized by alopecia, epilepsy, mental retardation and a small head.
• Alopecia, epilepsy, pyorrhea, mental subnormality: A rare syndrome characterized by alopecia, epilepsy, mental retardation and pus-producing gum and tooth inflammations.
• Alopecia, mental retardation and neurological problems: A rare, newly described syndrome characterized by baldness, mental retardation and neurological problems.
• Alopecia-contractures-dwarfism-mental retardation: A rare syndrome characterized primarily by mental retardation, short stature, lack of hair and contractures.
• Alpers Syndrome: A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation.
• Alpha Carotene - Teratogenic Agent: There is strong evidence to indicate that exposure to Alpha Carotene deficiency during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Alpha Carotene deficiency- Teratogenic Agent: There is strong evidence to indicate that exposure to Alpha Carotene deficiency during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Alpha thalassemia: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. Alpha thalassemia involves defects in one or more of the four genes required to make each ? protein chain. The main symptom is anemia, the severity of which can vary amongst patients depending on how many defective genes are involved.
• Alpha thalassemia - Hemoglobin H disease: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. Hemoglobin H disease involves defects in three of the four genes required to make each ? protein chain. The main symptom is moderate to severe anemia.
• Alpha thalassemia major: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. Alpha thalassemia major is very rare involves defects in all of the four genes required to make each ? protein chain. The condition leads to infant death before or soon after birth.
• Alpha thalassemia trait: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. Alpha thalassemia trait involves defects in two of the four genes required to make each ? protein chain. The main symptom is mild anemia which may go unnoticed in many people.
• Alpha-N-acetylgalactosaminidase deficiency, Type III: A very rare enzyme deficiency (N-acetyl-alpha-D-galactosaminidase) which can occur in three forms: type I (infantile-onset neuroaxonal dystrophy), type II or Kanzaki disease (adult-onset) and type III (mild or moderate form).
• Alpha-ketoglutarate dehydrogenase deficiency: A metabolic disorder characterized by a deficiency of Alpha-ketoglutarate dehydrogenase which results in high levels of oxoglutaric acid in the urine as well as other severe symptoms.
• Alpha-mannosidosis type II: A rare inherited metabolic disorder involving a deficiency of an enzyme (alpha-mannosidosase) which results in the accumulation of certain chemicals in the body which leads to progressive damage. This form of the condition is less severe than type I (infantile form).
• Alpha-sarcoglycanopathy: A rare genetic disorder involving progressive muscle weakness of the pelvic and shoulder muscles.
• Alport Syndrome: A rare hereditary disorder involving the progressive deterioration of parts of the kidney resulting in chronic kidney disease.
• Alport syndrome - mental retardation - midface hypoplasia - elliptocytosis: A rare syndrome characterized by the association of Alport syndrome, mental retardation, underdeveloped midface and a blood abnormality (elliptocytosis). Alport syndrome is an inherited condition involving progressive kidney damage and hearing loss.
• Alport syndrome with leukocyte inclusions and macrothrombocytopenia: A rare condition characterized by the presence of large blood platelets, kidney inflammation, deafness and abnormal leukocytes. End-stage kidney disease occurs in about a third of patients and tends to occur during the 3rd and 4th decades of life.
• Alport syndrome with macrothrombocytopenia: A rare inherited syndrome characterized by progressive kidney damage and hearing loss as well as macrothrombocytopenia.
• Alport syndrome, dominant type: A rare syndrome characterized by kidney problems and hearing loss. The condition is inherited as a dominant trait.
• Alport syndrome, recessive type: A rare syndrome characterized by kidney problems and hearing loss. The condition is inherited as a recessive trait.
• Alprazolam - Teratogenic Agent: There is strong evidence to indicate that exposure to Alprazolam during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Alprenolol - Teratogenic Agent: Experimental studies on rats indicate that the use of Alprenolol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Alsing syndrome: A rare syndrome characterized mainly by kidney problems, skeletal abnormalities and a hole in the coloboma of the eye.
• Alstrom syndrome: A rare, hereditary genetic disorder which is progressive. Initial symptoms in infants are usually extreme light sensitivity, wobbling of the eyes and sometimes dilated dilated cardiomyopathy and congestive heart failure. Young children quickly gain weight and become obese and as they get older, multiple organ systems may be affected causing blindness, hearing loss, type 2 diabetes, heart failure, liver disease, urological dysfunction, pulmonary fibrosis and renal failure.
• Altamira syndrome: A disease that occurs in Altamira (Brazil) and is caused by the black fly bite (Simulium). The pathological agent has not yet been determined.
• Alternariol Monomethyl Ether - Teratogenic Agent: Experimental studies on mice indicate that the use of Alternariol Monomethyl Ether during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Alternating Bowel Habit IBS: It is a functional bowel disorder characterized by chronic abdominal pain, discomfort, bloating, and alteration of bowel habits in the absence of any organic cause. IBS may be associated with pain disorders.
• Alternating hemiplegia of childhood: A rare neurological disorder involving paralysis on one side of the body that is only temporary but occurs often. The extent of the paralysis is variable.
• Aluminium lung: A respiratory condition caused by breathing in aluminium containing substances such as aluminium ore or a grain preservative called aluminium phosphide.
• Aluminium poisoning: A type of heavy metal poisoning caused by excessive exposure to aluminium.
• Aluminium toxicity: High body levels of aluminium resulting in symptoms. Usually occurs in patients with renal impairment.
• Alveolar Hydatid Disease: Rare multi-organ tapeworm infection caught from animals.
• Alveolar capillary dysplasia: The abnormal development of the lung blood vessels. The normal barrier across which air and blood can diffuse fails to develop properly. Death usually results within weeks of birth but rare cases can survive for months.
• Alveolar cell carcinoma: A malignant pulmonary cancer originating in a bronchiole and spreading across the alveolar walls. Often causes patient to suffer from severe coughing, breathlessness and copious sputum production. Also called bronchiolar carcinoma.
• Alveolar echinococcosis: A rare parasitic infection caused by the larva of a miniscule tapeworm called Echinococcus multilocularis. Transmission occurs through contact with foxes, coyotes, dogs and cats. The condition results in the development of parasitic tumors in the liver (sometimes other organs such as brain and lungs) but it generally causes no symptom for 5 to 15 years after infection.
• Alveolar soft part sarcoma: A rare malignant tumor that occurs in soft connective tissues with an unknown origin. It is a very slow growing tumor which tends to metastasize to the lung and brain years after it is first diagnosed.
• Alveolitis, extrinsic allergic: A lung disease that tends to occur in people with jobs where they are frequently exposed to organic dust inhalation.
• Alves Castelo dos Santos syndrome: A rare syndrome characterized by hair, eye, skin and spinal abnormalities.
• Alzheimer disease 10: An inherited form of Alzheimer's. Type 10 is caused by a genetic defect on chromosome 10p13.
• Alzheimer disease 12: An inherited form of Alzheimer's. Type 12 is caused by a genetic defect on chromosome 8p12-q22.
• Alzheimer disease 13: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 14: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q25. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 15: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 3q22-q24. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 16: Alzheimer disease 16 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome Xq21.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 2, late-onset: Alzheimer disease 2 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome 19q13.2. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 3, (early-onset Alzheimer disease): Alzheimer disease 3 is an early-onset form of Alzheimer's disease that is linked to a defect on chromosome 14q24.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease 5: An inherited form of Alzheimer's. Type 5 has a late onset and is caused by a genetic defect on chromosome 12p11.
• Alzheimer disease 6: A genetic form of Alzheimer's. Type 6 has a late onset and is caused by a genetic defect on chromosome 10q24.
• Alzheimer disease 7: An inherited form of Alzheimer's. Type 7 is caused by a genetic defect on chromosome 10p13.
• Alzheimer disease 8: An inherited form of Alzheimer's. Type 8 is caused by a genetic defect on chromosome 20p.
• Alzheimer disease 9: A genetic form of Alzheimer's. Type 9 has a late onset and is caused by a genetic defect on chromosome 19p13.2.
• Alzheimer disease type 1: A degenerative brain disease characterized primarily by progressive dementia. Type 1 has an early onset (starts before the age of 65). It is caused by mutations in the APP gene which results in the production of a toxic protein (amyloid beta peptide) in the brain which collects into clumps (amyloid plaques) in the brain. These plaques cause damage to nerve cells in the brain.
• Alzheimer disease type 2: A degenerative brain disease characterized primarily by progressive dementia. Type 2 has a late onset - starts after the age of 65. It is believed to be caused by a combination of genetic mutations and environmental and lifestyle factors. The condition occurs when there is excessive production of a toxic protein (amyloid beta peptide) in the brain which collects into clumps (amyloid plaques) in the brain. These plaques cause damage to nerve cells in the brain.
• Alzheimer disease type 4: A degenerative brain disease characterized primarily by progressive dementia. Type 4 has an early onset (starts before the age of 65). It is caused by mutations in the PSEN2 gene which results in the production of a toxic protein (amyloid beta peptide) in the brain which collects into clumps (amyloid plaques) in the brain. These plaques cause damage to nerve cells in the brain.
• Alzheimer disease, early-onset, with cerebral amyloid angiopathy: An early-onset form of Alzheimer's disease that is linked to a defect on chromosome 21q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial: A degenerative brain disease characterized primarily by progressive dementia. The familial form is very rare and is completely inherited and has an early onset (usually in the 4th decade). It occurs when there is excessive production of a toxic protein (amyloid beta peptide) in the brain which collects into clumps (amyloid plaques) in the brain. These plaques cause damage to nerve cells in the brain.
• Alzheimer disease, familial, 1: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 21q. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial, 11: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 9p22.1. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial, 3, with spastic paraparesis and apraxia: This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and apraxia. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial, 3, with spastic paraparesis and unusual plaques: This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and unusual plaques in the brain. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial, 4: An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q31-q42. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour.
• Alzheimer disease, familial, type 3: A degenerative brain disease characterized primarily by progressive dementia. Type 3 has an early onset (starts before the age of 65). It is caused by mutations in the PSEN1 gene which results in the production of a toxic protein (amyloid beta peptide) in the brain which collects into clumps (amyloid plaques) in the brain. These plaques cause damage to nerve cells in the brain.
• Alzheimer's disease: A progressive degenerative disease of the brain of unknown cause
• Alzheimer's disease without Neurofibrillary tangles: A form of Alzheimer's that involves only plaques and no neurofibrillary tangles. This form tends to have an older age of onset and death and a shorter disease duration.
• Alès dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Alès type was discovered in Alès.
• Amantadine - Teratogenic Agent: There is strong evidence to indicate that exposure to Amantadine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amaryllis poisoning: The Amaryllis plant is a bulbous, flowering herb which originated from South America. The bulb contains alkaloids such as lycorine which are toxic but a large quantity would need to be eaten to cause poisoning.
• Amastia: Refers to females with no breasts. The condition may be caused by congenital defects, endocrine disorder, underdeveloped secondary sex characteristics or a double mastectomy. Also called amazia.
• Amastia, bilateral, with ureteral triplication and dysmorphism: A very rare disorder characterized mainly by the absence of both breasts, triplicated ureters (normally they are duplicated), facial anomalies and various other defects.
• Amathophobia: An exaggerated or irrational fear of dust.
• Amaurosis congenita of Leber: A rare genetic eye disorder characterized by blindness at birth or within years as well as other eye abnormalities.
• Amaurosis congenita of Leber, type 1: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type I is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 17p13.1, RETGC1 gene.
• Amaurosis congenita of Leber, type 10: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 10 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 12, CEP290 gene.
• Amaurosis congenita of Leber, type 11: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 11 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 7q, IMPDH1 gene.
• Amaurosis congenita of Leber, type 2: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 2 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1, RPE65 gene.
• Amaurosis congenita of Leber, type 3: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 3 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 14q23.3, RDH12 gene.
• Amaurosis congenita of Leber, type 4: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 4 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 17p13.1, AIPL1 gene.
• Amaurosis congenita of Leber, type 5: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 5 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 6q11-q16.
• Amaurosis congenita of Leber, type 6: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 6 is distinguished from the other forms of this condition by the genetic origin of the defect - RPGRIP1 gene.
• Amaurosis congenita of Leber, type 7: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 7 is distinguished from the other forms of this condition by the genetic origin of the defect - CRX gene.
• Amaurosis congenita of Leber, type 8: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 8 is distinguished from the other forms of this condition by the genetic origin of the defect - CRB1 gene.
• Amaurosis congenita of Leber, type 9: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 9 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1p36.
• Amaurosis fugax: A rare condition where a temporary blockage of blood flow to the retina causes vision loss in the affected eye until the blood flow returns.
• Amaurosis hypertrichosis: A rare syndrome characterized by severe retinal dystrophy and excessive growth of hair.
• Amaxophobia: An exaggerated or irrational fear of riding in a vehicle or being in one.
• Ambien overdose: Ambien is a prescription drug mainly used to treat insomnia. Excessive doses of the drug can result in various symptoms and even death in severe cases.
• Ambien withdrawal: Symptoms that occur when Ambien (Zolpidem) use is discontinued or reduced. Ambien is a sedative hypnotic drug. Symptoms may vary depending on the level of dependence.
• Ambroxol - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Ambroxol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Amebiasis: Intestinal inflammation caused by Entamoeba histolytica and often marked by symptoms such as frequent, loose bowel movements that contain blood and mucus. Also called intestinal amebic dysentery.
• Amebic appendicitis: Appendicitis of amebic origin is considered a rare intestinal manifestation of invasive Amoebiasis, and also a rare cause of acute appendicitis.
• Amebic dysentery: Intestinal inflammation caused by Entamoeba histolytica and often marked by symptoms such as frequent, loose bowel movements that contain blood and mucus. Also called intestinal amebiasis.
• Amegakaryocytic thrombocytopenia: A blood disorder involving a deficiency of blood platelets required for normal blood clotting. The disorder may be present at birth (congenital) or acquired (e.g. autoimmune disorders).
• Amelia, autosomal recessive: A rare disorder characterized by the complete absence of the arms and a partial absence of the legs. The disorder has been described in the 3 fetuses of one family.
• Amelo-cerebro-hypohidrotic syndrome: A rare syndrome involving degeneration of the central nervous system, seizures and abnormal tooth development.
• Amelo-onycho-hypohidrotic syndrome: A rare disorder characterized primarily by tooth and nail abnormalities and reduced sweating ability.
• Ameloblastoma: A congenital tumor of the pituitary gland. Also called craniopharyngioma, craniopharyngeal duct tumor, pituitary adamantinoma or Rathke's pouch tumor.
• Amelogenesis Imperfeca, Hypoplastic, and Nephrocalcinosis: A rare disorder involving abnormal tooth development and kidney problems.
• Amelogenesis Imperfecta: An inherited dental disorder where the tooth enamel is so thin and soft that the teeth appear yellow and are easily damaged. Can occur in baby and permanent teeth. Also called hereditary brown enamel or hereditary enamel.
• Amelogenesis Imperfecta 2, hypoplastic local, autosomal dominant: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. In this particular form of the disease, there is a lack of tooth enamel calcification. The tooth enamel is very soft and is lost soon after the teeth erupt. Both primary and secondary teeth are affected.
• Amelogenesis Imperfecta hypomaturation type: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The hypomaturation type involves an abnormality during the maturation stage of enamel formation which causes the enamel to become porous and opaque.
• Amelogenesis imperfecta local hypoplastic form: A rare inherited disorder involving abnormal formation of the tooth enamel. The type of abnormality may vary from pitted teeth to smooth teeth.
• Amelogenesis imperfecta pigmented hypomaturation type: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The pigmented hypomaturation type is characterized by fragile tooth enamel which tends to be soft and rough and is usually a creamy to yellow/brown color.
• Amelogenesis imperfecta, hypoplastic/hypomaturation, X-linked 1: Amelogenesis imperfecta is an inherited tooth development disorder characterized by tooth enamel defects. The hypoplastic/hypomaturation X-linked 1 form is characterized by thin tooth enamel which is of normal strength. The surface of the enamel varies from smooth to pitted and the tooth color is variable.
• Amelogenesis imperfecta, hypoplastic/hypomaturation, X-linked 2: A rare inherited disorder involving abnormal formation of the tooth enamel which causes it to be thin and soft. The abnormality is inherited in a X-linked manner (Xq22-q28).
• Amelogenesis imperfecta, local hypoplastic form, recessive: A rare inherited disorder involving abnormal formation of the tooth enamel which gives it a pitted appearance. Primary and secondary teeth are affected.
• Amelometasone - Teratogenic Agent: Experimental studies on mice indicate that the use of Amelometasone during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• American mountain fever: A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infected blood but this is uncommon. Infection is most common in Canada and parts of western US. The incubation period usually lasts between 3 and 6 days but can be as long as a few weeks. The virus tends to cause to periods of fever each lasting for a few days.
• Ametantrone Acetate - Teratogenic Agent: Experimental studies on various animals indicate that the use of Ametantrone Acetate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Amiens I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Amiens I type was discovered in Amiens I.
• Amiloride - Teratogenic Agent: There is strong evidence to indicate that exposure to Amiloride during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Aminoacetonitrile - Teratogenic Agent: Experimental studies on rats indicate that the use of Aminoacetonitrile during pregnancy may cause lathyrism syndrome in the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aminoacidopathies: Any of a group of inborn errors of metabolism which results in the build up in the body of one or more amino acids in the blood and/or urine. The range and severity of symptoms is hugely variable.
• Aminoaciduria, Renal: A group of inherited kidney disorders involving increased amino acid levels in the urine.
• Aminoacylase 1 deficiency: A rare genetic disorder caused by an enzyme (aminoacylase-1) deficiency. There is still uncertainty whether the deficiency actually causes any of the symptoms observed in patients.
• Aminoazobenzene and Derivatives - Teratogenic Agent: Experimental studies on mice indicate that the use of Aminoazobenzene and Derivatives during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aminophyllin - Teratogenic Agent: Experimental studies on rats indicate that the use of Aminophyllin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aminopterin - Teratogenic Agent: There is strong evidence to indicate that exposure to ? during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Aminopterin and methotrexate - Teratogenic Agent: There is strong evidence to indicate that the use of Aminopterin and methotrexate during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amish brittle hair syndrome: A rare inherited condition characterized by brittle hair, mental and physical impairment, decreased fertility and short stature.
• Amitriptyline - Teratogenic Agent: There is strong evidence to indicate that exposure to Amitriptyline during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amitriptyline toxicity: The toxic reaction of the body to the substance, possibly via allergic reaction or overdose.
• Amlodipine - Teratogenic Agent: There is strong evidence to indicate that exposure to Amlodipine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amnion rupture sequence: A rare disorder where the amniotic sac is ruptured resulting in various abnormalities.
• Amniotic Bands: A rare condition where abnormal fetal development occurs when bands of tissue encircle parts of the fetus and affect the growth of that portion. The band of tissue develops from the internal womb lining. The location of the band on the fetus determines the symptoms and the seriousness of the condition.
• Amniotic fluid syndrome: A rare disorder where large amounts of amniotic fluid suddenly enters the blood stream. The amniotic fluid contains debris which can block blood vessels and dilutes the blood which affects coagulation. This can occur when there is an opening in a blood vessel wall and can occur if the birth involves difficult labor, older women, dead fetus syndrome or large babies. The condition can result in rapid death of the mother.
• Amobarbital - Teratogenic Agent: There is strong evidence to indicate that exposure to Amobarbital during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amoebiasis: An infectious disease caused by a free-living amoebic parasite called Entamoeba histolytica. The organism infects the bowel and causes gastroenteritis. Infection occurs through ingesting contaminated food or water. It is more common in countries with poor sanitation. The incubation period may last from days to weeks before symptoms appear.
• Amotivational syndrome: An impaired desire to engage in normal social activities and situations due to external factors such as relationships, substance or events.
• Amoxapine toxicity: The toxic reaction of the body to the substance, possibly via allergic reaction or overdose.
• Amoxicillin - Teratogenic Agent: There is strong evidence to indicate that exposure to Amoxicillin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amphetamine - Teratogenic Agent: There is strong evidence to indicate that exposure to Amphetamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Amphetamine abuse: Use of the stimulant drugs known as amphetamines or "speed"
• Amphetamine poisoning: Excessive ingestion of amphetamine drugs.
• Amphetamine withdrawal: Symptoms that occur when amphetamine use is discontinued or reduced. Symptoms may vary depending on the level of dependence. Amphetamines include dexamphetamine (speed), Ritalin and MDMA (ecstasy).
• Amphetamine-induced hypertension: Amphetamine-induced hypertension is high blood pressure caused by use of amphetamines. Patients with an existing history of hypertension may suffer further blood pressure increases while taking amphetamines and this can be serious. Severity of symptoms varies amongst patients depending on their susceptibility, underlying health and duration of amphetamine use.
• Ampicillin - Teratogenic Agent: There is strong evidence to indicate that exposure to Ampicillin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Ampola syndrome: A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities.
• Amputee fetishism: A fetish is sexual pleasure or gratification associated with a particular object or body part. Most people with a fetish don't seek help and are able to function fully despite their fetish. It is only when the fetish impairs a persons ability to function on a personal or social level that it can be a problem. Amputee fetishism is characterized by the association of sexual pleasure or gratification with amputees.
• Amrubicin Hydrochloride - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Amrubicin Hydrochloride during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Amsterdam dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Amsterdam type was discovered in Amsterdam.
• Amychophobia: An exaggerated or irrational fear of being scratched or clawed.
• Amyloid Neuropathies: A peripheral nerve disorder caused by abnormal amyloid deposits in the nerves. Sensory, autonomic or motor nerves may be affected. The degree of nerve involvement, and hence symptoms, are variable.
• Amyloid angiopathy: A blood vessel disorder caused by abnormal amyloid deposits in the blood vessel walls of the brain. The deposits can cause the blood vessel to become weak and rupture resulting in intracranial bleeding. Despite the potentially serious consequences the disorder is often asymptomatic until old age.
• Amyloid cardiopathy: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. The cardiac form involves deposits of amyloid in the heart muscle which affects its function. The electrical conduction system of the heart is impaired.
• Amyloid cardiopathy, familial: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. The familial cardiac form is inherited and involves deposits of amyloid in the heart muscle which affects its function. The electrical conduction system of the heart is impaired.
• Amyloidosis: A disease characterized by the accumulation of insoluble amyloid protein in tissues and organs which in turn affects the functioning of these tissues and organs.
• Amyloidosis AL: A disease involving the abnormal deposit of amyloid fibrils in virtually any part of the body - the heart, liver, kidney and peripheral and autonomic nerves are most commonly affected. The abnormal amyloid fibrils are produced abnormal plasma cells in the bone marrow. In some cases, the excess growth of abnormal plasma cells can result in a cancerous condition called myeloma resulting in bone pain and infections. A patient with myeloma may develop amyloidosis but it is rare for a patient with AL amyloidosis to go on to develop myeloma.
• Amyloidosis IX: A rare disorder where a substance called amyloid is deposited in the skin resulting in itchy, discolored bumps or nodules in the skin. No other body organs are involved.
• Amyloidosis VI: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Icelandic type, the amyloid deposits affect the brain blood vessels and cause hemorrhages.
• Amyloidosis VII: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Ohio type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, brain hemorrhages as well as vision impairment.
• Amyloidosis beta2-microglobulinic: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. The type of amyloid protein involved in this type of amyloidosis is beta-2-microglobulin. The abnormal protein tends to be deposited in parts of the body such as joints, bones and carpal tunnel but can also be found in the gastrointestinal tract and other organs.
• Amyloidosis of gingiva and conjunctiva mental retardation: A rare disorder characterized by mental retardation and abnormal amyloid deposits in the gums and conjunctiva of the eye.
• Amyloidosis, Cutaneous bullous: A rare disorder where a substance called amyloid is deposited mainly around the joints which results in blistering.
• Amyloidosis, Familial: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the familial form, the type of amyloid involved is usually a plasma protein called transthyretin. The main parts of the body affected are the nerves, heart and kidneys.
• Amyloidosis, Inherited: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the inherited form, the type of amyloid involved is usually a plasma protein called transthyretin. The main parts of the body affected are the nerves, heart and kidneys.
• Amyloidosis, cerebroarterial, hereditary, Iowa type: An inherited form of amyloidosis caused by a defect in the APP gene on chromosome 21q21. Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this form, the deposits affect the brain arteries.
• Amyloidosis, cerebroarterial, hereditary, Italian type: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Italian type, the amyloid deposits affect the brain blood vessels and cause hemorrhages.
• Amyloidosis, familial cutaneous: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. The familial cutaneous form is characterized by brown skin pigmentation as well as systemic symptoms such as failure to thrive, developmental delay, gastrointestinal problems and pneumonia.
• Amyloidosis, familial visceral: A rare genetic disorder involving widespread amyloidosis (abnormal buildup of amyloid protein in tissues) which tends the affect the kidneys severely.
• Amyloidosis, inflammatory: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. Symptoms depend on the organs involved. Secondary amyloidosis is caused by a chronic infection of inflammatory conditions such as rheumatoid arthritis, multiple myeloma, tuberculosis and osteomyelitis. The main organs affected in secondary amyloidosis are usually the kidneys, liver, spleen and lymph nodes. The peripheral and autonomic nerves and the heart are rarely affected.
• Amyloidosis, oculoleptomeningeal: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this particular type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, brain hemorrhages and vision impairment.
• Amyopathic dermatomyositis: A rare disorder involving a skin rash that normally occurs with inflammation of skeletal muscles (dermatomyositis) but there is no muscle involvement. It is important to monitor patients in case muscle involvement develops.
• Amyoplasia: A rare condition characterized by congenital joint stiffness.
• Amyoplasia congenital disruptive sequence: A rare genetic disorder characterized by congenital contractures of two or more different joints.
• Amyotonia congenita: A term used to describe conditions involving poor muscle tone that occurs from birth.
• Amyotrophic lateral sclerosis: A degenerative motor neuron disease marked by weakness and wasting of the muscles which starts at the hands and legs and spreads to the rest of the body. Death occurs in 2 to 5 years. Also called Lou Gehrig's disease or wasting palsy.
• Amyotrophic lateral sclerosis 2, juvenile: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 2 is caused by a defect on chromosome 2q33.
• Amyotrophic lateral sclerosis 3: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 3 is caused by a defect on chromosome 18q21.
• Amyotrophic lateral sclerosis 6: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12.
• Amyotrophic lateral sclerosis 7: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 7 is caused by a defect on chromosome 20p13.
• Amyotrophic lateral sclerosis 8: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 9 is caused by a defect on chromosome 20q13.3 and is a dominantly inherited, late-onset form.
• Amyotrophic lateral sclerosis, 9: An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 9 is differentiated by the origin of the genetic defect involved (14q11).
• Amyotrophic lateral sclerosis, familial type 1: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 1 is characterized by adult onset and relatively fast progression of symptoms. It usually occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 2: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 2 is characterized by childhood or adolescent onset of symptoms which progress very slowly over decades. It occurs in an autosomal recessive pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 3: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 3 is characterized late adulthood onset of symptoms which progress slowly over 5 years. It occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 4: A generally fatal progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 4 is characterized by the onset of symptoms before the age of 25 and slow progression over the next few decades. It occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 6: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adult onset of symptoms with progression varying between 1 and 20 years. It occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 7: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 7 is characterized adult onset of symptoms with progression varying between less than 5 years to several decades. It occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, familial type 8: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 8 is characterized by adult onset and relatively slow progression of symptoms. It occurs in an autosomal dominant pattern of inheritance.
• Amyotrophic lateral sclerosis, type 6: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12.
• Amyotrophic lateral sclerosis-parkinsonism-dementia complex: A nerve degeneration disorder that involves progressive dementia and parkinsonism which ultimately leads to death.
• Amyotrophic lateral sclerosis-parkinsonism/dementia complex 2: A nerve degeneration disorder that involves progressive dementia and parkinsonism which ultimately leads to death.
• Amyotrophy, neurogenic scapuloperoneal, New England type: An inherited disorder involving muscle wasting and weakness in the shoulder and lower leg. The exact symptoms that occur may vary from patient to patient with males often being more affected than females. An interesting observation of this condition is that symptoms and rate of progression tends to be more severe with each passing generation.
• Anabasin Hydrochloride - Teratogenic Agent: Experimental studies on pigs indicate that the use of Anabasin Hydrochloride during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Anaemia due to pyrimidine 5' nucleotidase deficiency: A rare inherited disorder where a deficiency of a particular enzyme (pryimidine 5' nucleotidase) causes hemolytic anemia. The anemia is usually mild.
• Anaemia, sideroblastic, X-linked - ataxia: A very rare inherited disorder characterized by mild anemia and early onset neurological motor symptoms. The neurological symptoms tend to be relatively stable or slowly progressive with only occasional dependence on crutches or wheelchairs.
• Anaesthesia complications: Complications that occur due to anaesthesia
• Anagyrine - Teratogenic Agent: Reports indicate that the use of Anagyrine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Anal cancer: A cancerous malignancy that is located anatomically in the anus
• Anal conditions: Conditions that affect the anus
• Anal fissure: A painful ulcer linear to the margin of the anus
• Anal sphincter dysplasia: A malformation of the anal canal.
• Anal sphincter myopathy, internal: A rare disorder where abnormalities of the anal muscles results in severe intermittent anal pain. The pain occurs at intervals during the day and every hour during the night.
• Analgesic asthma syndrome: Asthma caused by the use of pain-killing and anti-inflammatory drugs such as aspirin.
• Analgesic nephropathy syndrome: Kidney damage caused by excessive use of pain-killing drugs. Aspirin and phenacetin mixtures are the most common causes.
• Analgesic syndrome: The use of large quantities of pain-killer drugs can sometimes cause serious kidney damage as well as various other problems.
• Anaphylaxis: An immediate hypersensitivity reaction due to the exposure of a specific antigen to a sensitized individual
• Anaplastic large cell lymphoma: A rare type of cancer where a tumor develops in lymph tissue and usually consists of white blood cells and null cells. It is a form of non-Hodgkin's lymphoma. The tumors can develop in more than one lymph node and can also occur in the skin and various organs such as the liver, bones or lungs.
• Anaplastic small cell lymphoma: A rare type of cancer where a tumor develops in lymph tissue and consists mainly of small cells. It is a form of non-Hodgkin's lymphoma. The tumors can develop in more than one lymph node and can also occur in the skin and various organs such as the liver, bones or lungs.
• Anauxetic dysplasia: A rare disorder characterized by abnormal skeletal and spinal development.
• Ancell's syndrome: A rare condition characterized by the development of multiple little tumors on various parts of the body that grow hair. The tumors originate mainly from the sweat and scent producing glands. The growths occur mainly on the scalp and neck. Tumors close together may merge and ulcerate or become infected. The tumors usually start after the first decade and continue to grow slowly in size and number. In rare severe cases, the cylindromas may be the size of fists.
• Anchovy poisoning (clupeotoxin): Some anchovies contain toxins (Clupeotoxin) which can be poisonous to humans if eaten. Heat does not destroy the toxin and there is still uncertainty as to the origin of the toxin. The toxin appears to be present in higher concentrations in summer and is believed to be possible linked to the consumption of toxic food in its food web. The size and age of the anchovy does not appear to be related to the toxicity. The anchovies are found in coastal waters off Africa and the Caribbean, Indian and Pacific Oceans.
• Ancylostoma duodenale: An infestation with Ancylostoma duodenale which is a parasitic hookwork whichcan cause serious disease in humans - usually occurs in people who work barefoot in damp soil. The hookworms suck blood from the intestines of the host which can result in anemia if there is a large number of worms.
• Andersen disease: An rare inborn error of metabolism involving glycogen storage and characterized by cirrhosis and sometimes liver failure. Lack of the amyl-transglucosidase enzyme and abnormal glycogen causes the condition.
• Andersen-Tawil syndrome: A rare disorder where a genetic mutation causes periods of muscle weakness, heart rhythm abnormalities and various physical development abnormalities. It is believed to be caused by problems with the way the body utilizes potassium.
• Anderson's triad: The association of cystic fibrosis, celiac disease and vitamin A deficiency.
• Andogsky's syndrome: A condition characterized by chronic eczema-like skin lesions which develop during childhood and cataracts which develop in early adulthood. The main areas affected by the skin lesions are the neck, elbows and knees.
• Andrade's syndrome: An inherited condition characterized by deposits of an abnormal protein called amyloid in various parts of the body including organs. The condition mainly involves neurological symptoms.
• Androgen Insensitivity Syndrome: Females with male XY genetics but inability to respond to testosterone.
• Androgen insensitivity syndrome, partial: A rare inherited condition where males are partially insensitive to the male hormones which results in varying degrees of feminization. The effect of the condition can range from the presence of normal female sexual characteristics to normal male sexual characteristics or a combination of both.
• Androgenetic alopecia: A form of hair loss that can affect men or women. In males, the hair loss starts over the temples and the hairline recedes gradually and sometimes complete baldness results. Women suffer thinning of hair all over the head and there is no receding hairline.
• Androgens - Teratogenic Agent: There is strong evidence to indicate that the use of Androgens during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Andromimetophilia: A sexual preference for male-to-female transsexuals.
• Andropause: A symptomatic decline in male androgens that may occur as men age.
• Androphobia: An exaggerated or irrational fear of men
• Androstenedione - fetal exposure: Experimental studies on rats indicate that the use of Androstenedione during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Androsterone - fetal exposure: Experimental studies on rats indicate that the use of Androsterone during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• André syndrome: A rare fatal syndrome characterized mainly by bone calcification abnormalities and facial anomalies. Death usually occurs within weeks of birth.
• Anemia: Reduced red blood cells in the blood
• Anemia of pregnancy: Anemia of pregnancy is anemia that occurs during pregnancy. Women's bodies have a greater demand for iron during pregnancy and if intake is not sufficient, anemia can result. Anemia in pregnant women can lead to infant problems such as premature birth, fetal death, retarded growth and other problems.
• Anemia, Blackfan Diamond: Diamond-Blackfan anemia is a rare genetic condition where the bone marrow is unable to make sufficient red blood cells which leads low levels of red blood cells. There are eight subtypes of the condition which differ in the location of the genetic defect and the incidence of additional symptoms such as malformations. The severity of symptoms is variable but most cases are serious.
• Anemia, Hemolytic, Warm Antibody: A rare autoimmune condition where the body's defense system attacks and destroys red blood cells. The onset of the condition is triggered by temperatures 37ºC or higher. The severity of the disorder is variable.
• Anemia, Iron-Deficiency: A lack of fully functioning red blood cells due to a deficiency of iron. The iron allows the body to make hemoglobin in red blood cells which in turn allows the red blood cell to carry oxygen.
• Anemia, Neonatal: Insufficient red blood cells that can carry oxygen around the body. It is common in premature births or can occur as a result of blood loss before, during or just after the birth.
• Anemia, Refractory, with Excess of Blasts: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. There are two types: type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a quarter of cases in type 1 and a third of cases in type 2.
• Anemia, Refractory, with Excess of Blasts, type 1: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a quarter of cases in type 1.
• Anemia, Refractory, with Excess of Blasts, type 2: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a third of cases in type 2.
• Anemia, Sideroblastic: A rare blood disorder where abnormal utilization of iron results in the production of defective red blood cells which have excessive deposits of iron in them.
• Anemia, hypochromic microcytic: A blood disorder where red blood cells are too small and lack sufficient iron. It can be inherited or caused by insufficient iron in the diet or from a genetic disorder.
• Anemia, sideroblastic spinocerebellar ataxia: A rare inherited condition characterized by anemia at birth as well as spinocerebellar ataxia (impaired ability to control voluntary movements).
• Anemias, Sideroblastic: Sideroblastic anemias are a group of rare blood disorders where the bone marrow is unable to produce normal red blood cells. The body has enough iron but the red blood cells are unable to utilize it in a normal manner and anemia results. The red blood cells become overloaded with iron and are unable to carry out their normal functions. Some forms of sideroblastic anemia are inherited but most tend to be acquired due to such things as exposure to toxins and certain drugs, leukemia, inflammatory conditions such as rheumatoid arthritis and nutritional deficiencies (e.g. copper and pyridoxine deficiency). Inherited forms usually appear in childhood whereas acquired forms usually occur in adulthood.
• Anemic - hematuria syndrome: An epidemic disease in Argentina which has a prolonged recovery time but usually there are no complications. Symptoms vary between seasons so that affected patients suffer anorexia, vomiting, diarrhea and dehydration in summer but suffer reduced urination, excess blood, albumin and renal casts in the urine. Other symptoms occur irrespective of the season.
• Anencephaly: A birth defect where large parts of the brain is missing and the brainstem is malformed.
• Anencephaly and spina bifida X-linked: A severe X-linked malformation syndrome involving anencephaly where a part or all of the brain and associated skull is missing as well as a defect or opening in the spinal column.
• Anesthetic agent-induced liver damage: Damage or injury to the liver caused by exposure to anesthetic agents. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Chloroform: Damage or injury to the liver caused by exposure to an anesthetic agent called chloroform. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Cyclopropane: Damage or injury to the liver caused by exposure to an anesthetic agent called cyclopropane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Ether: Damage or injury to the liver caused by exposure to an anesthetic agent called ether. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Halothane: Damage or injury to the liver caused by exposure to an anesthetic agent called halothane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Methoxyflurane: Damage or injury to the liver caused by exposure to an anesthetic agent called methoxyflurane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anesthetic agent-induced liver damage - Nitrous Oxide: Damage or injury to the liver caused by exposure to an anesthetic agent called nitrous oxide. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anetoderma, perifollicular: The development of discolored spots on the inside thighs of older women. The condition generally causes no problems. It is believed to be the result of minor destruction of elastic tissue around hair follicles. Causes include endocrine anomalies, certain drugs or bacterial infections that produce enzymes that destroy elastic tissue.
• Aneuploidy: An abnormal number of chromosomes.
• Aneurysm: Swelling or ballooning of part of an artery
• Aneurysm of sinus of Valsalva: A rare form of aortic aneurysm that occurs in the sinus of Valsalva. An aneurysm is a thinning and bulging of a blood vessel wall. The condition is generally asymptomatic unless it burst and causes life-threatening complications including heart failure. An unruptured aneurysm may affect the blood flow (causing palpitations and syncope) as the bulge pushes against surrounding structures.
• Aneurysm, Dissecting: A tear that develops in a part of the aortic blood vessel wall. The three layers of the blood vessel wall separate and cause it to weaken and the aorta to dilate. The condition is fatal if untreated as the weak spot can burst resulting in a hemorrhage.
• Aneurysm, intracranial berry: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms.
• Aneurysm, intracranial berry, 1: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 1 is caused by a defect on chromosome 7q11.2.
• Aneurysm, intracranial berry, 2: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 2 is caused by a defect on chromosome 19q13.
• Aneurysm, intracranial berry, 3: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 3 is caused by a defect on chromosome 1p36.13-p34.3.
• Aneurysm, intracranial berry, 4: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 4 is caused by a defect on chromosome 5p15.2-14.3.
• Aneurysm, intracranial berry, 5: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 5 is caused by a defect on chromosome 2p13.
• Aneurysm, intracranial berry, 6: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are now six different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases an individuals risk for developing intracranial berry aneurysms. Type 6 is caused by a defect on chromosome 9p21.
• Aneurysm, intracranial berry, 7: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 7 is caused by a defect on chromosome 11q24-q25.
• Aneurysm, intracranial berry, 8: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 8 is caused by a defect on chromosome 14q23.
• Aneurysmal bone cysts: A benign tumor-like lump in the bone. Most frequently occurs in the spine and longer bones of the body.
• Aneurysmal subarachnoid haemorrhage: Bleeding in the space around the brain that occurs from a leak in a weakened or dilated blood vessel under the arachnoid layer of the brain. Death can occur if treatment is not prompt.
• Angel shaped phalangoepiphyseal dysplasia: A rare genetic bone development disorder characterized mainly by an unusual angel-shaped ends of some bones (fingers and hips) which leads to early osteoarthritis.
• Angelman syndrome: A rare genetic disorder characterized by a puppet-like gait, fits of laughter and characteristic facial features.
• Angelman-Like Syndrome, X-linked: A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk but then often lose this ability by the age of 10 years. Female carriers tend to have mild symptoms and males have severe symptoms - symptoms are variable to some degree.
• Angelucci's syndrome: A rare disorder characterized by various symptoms associated with vernal (nonbacterial) conjunctivitis. The conjunctivitis tends to recur seasonally and is believed to have allergic origins.
• Angiectasis pregnancy: A rare condition that occurs during the final trimester of pregnancy and involves the development of small painful areas of raised blood vessel clusters that occur on the back of the legs.
• Angina pectoris: severe chest pain due to ischemia
• Anginophobia: An exaggerated or irrational fear of angina, choking or narrowness of the throat.
• Angio-osteohypotrophic syndrome: A rare disorder characterized by malformation of the peripheral (usually veins) blood vessels and skeletal abnormalities. The malformed blood vessels cause localized soft tissue swellings and if veins in bones are affected, the bone may degenerate due to an insufficient blood supply. Usually the hands are affected.
• Angiodysplasia: Abnormality of small blood vessels - especially in the intestinal tract - which can result in bleeding. The size of the lesion involved determines the severity of the condition. Small amounts of bleeding from one lesion often goes unnoticed but multiple large lesions may cause heavy bleeding and result in black tarry stool and anemia.
• Angiofollicular ganglionic hyperplasia: A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. The symptoms are determined by the location and number of growths. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms.
• Angiofollicular ganglionic hyperplasia - plasma cell type: A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms. The plasma-cell type tends to involve systemic symptoms such as fever and weight loss due to the destruction of red blood cells.
• Angiofollicular lymph hyperplasia: A rare disorder of the lymph system characterized by the development of benign tumors in lymph tissue anywhere in the body.
• Angioid streaks: Streaks that radiate out from the optic nerve head under the retina. The streaks may be red, brown or grey. The streaks resemble blood vessels and hence the term angioid. The streaks represent tiny breaks in the elastic membrane of the retina (Bruch's membrane). The anomaly is often associated with conditions such as Paget's disease, sickle cell anemia, Ehlers-Danlos syndrome and pseudoxanthoma elasticum.
• Angioimmunoblastic T-cell lymphoma: A form of cancer which tends to be systemic in nature and thus cancer cells can be found in various parts of the body such as the lymph nodes, liver, spleen, skin and bone marrow.
• Angioimmunoblastic with dysproteinemia lymphadenopathy: A rare immune system disorder which is similar to lymphoma. The condition is progressive but the course varies with some patients surviving a long time without treatment and others surviving only a short period of time.
• Angiokeratoma: A harmless, discolored, raised skin lesion involving damaged blood capillaries. The lesion ranges in color from red to blue and the skin involved is usually thickened.
• Angiokeratoma - mental retardation - coarse face: A rare inherited genetic syndrome characterized by mental retardation, coarse facial features and capillary hemangiomas.
• Angioma hereditary neurocutaneous: A rare genetic condition characterized angiomas involving both the skin and nervous system.
• Angioma serpiginosum: A rare, harmless skin disorder involving linear or snake-like patches of red skin spots caused by small blood vessels near the skin's surface. The spots may occur on any part of the body but are most common on the legs and buttocks. The disorder usually appears during childhood and tends to stabilize once puberty is reached. There is no inflammation, bleeding or changes in skin pigmentation associated with the condition.
• Angiomatoid melanoma: Rare type of melanoma with same bizarre morphology and an unusual, comparatively benign course, after a primary melanoma.
• Angiomatosis, diffuse corticomeningeal, of Divry and Van Bogaert: A rare condition characterized by diffuse sclerosis and clusters of capillaries in parts of the brain as well as a marbled appearance to the skin.
• Angiomyomatous Hamartoma: A type of tumor that originates from blood vessel tissue. It is a rare type of tumor that tends to occur most often in lymph nodes in the inguinal (lower abdominal and groin) area.
• Angioneurotic Edema: Involves swelling of deep skin layers and fatty tissues under the skin as well as the mucous membrane. The condition involves recurrent swelling of tissues, abdominal pain and swelling of the voice box. It is often caused by an allergic reaction to drugs or food. It is also called Quincke's disease, giant urticaria, Quincke's edema or angioedema.
• Angiopathy, hereditary, with nephropathy, aneurysms and muscle cramps: An inherited disorder characterized by kidney disease, aneurysms, blood vessel disease and muscle cramps which can last from seconds to minutes.
• Angiosarcoma: A rare, aggressive malignant tumor of the blood vessel cells. Also called hemangiosarcoma, malignant hemangioendothelioma.
• Angiosarcoma of the breast: A rare type of cancer that starts in the lining of blood vessels in the breast. It is generally an aggressive tumor which often metastasizes.
• Angiosarcoma of the liver: A rare type of cancer that starts in the lining of blood vessels in the liver. It is generally an aggressive tumor which often metastasizes.
• Angiosarcoma of the scalp: A rare type of cancer that starts in the lining of blood vessels in the scalp. It is generally an aggressive tumor which often metastasizes.
• Angiostrongyliasis: Infection by a parasitic worm (Angiostrongylus). Infection can occur through eating contaminated raw animals such as snails, slugs, prawns or crabs which act as hosts to these parasites.
• Angiotensin - Teratogenic Agent: Experimental studies on guinea pigs indicate that the use of Angiotensin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Angiotensin/rennin/aldosterone hypertension: A group of disorder characterized by high blood pressure due to abnormalities in angiotensin, rennin and aldosterone levels. Adequate levels of these chemicals help to control blood volume and blood vessel resistance which in turn influences blood pressure.
• Angiotropic melanoma: Angiotropism is the presence of tumor cells closely apposed to the abluminal surfaces of blood and lymphatic vessels without intravasation. Angiotropism in melanoma could be a marker for extravascular migratory metastasis, the migration of tumor cells along the external surfaces of vessels.
• Anglophobia: An exaggerated or irrational fear of England or the English.
• Anguillulosis: A infectious disease caused by an intestinal parasite called Strongyloides stercoralis (round worm). Infestation can occur directly through broken skin or through ingestion. Symptoms can take decades to develop in some cases. In rare cases, reinfection occurs and the parasites travel to other parts of the body such as the liver and lungs which can cause serious symptoms. The condition is highly deadly in immunocompromised patients.
• Animal Hoarding: A condition where a person has more pets than they can properly house and look after. These people believe they are able to care adequately for all of the pets and are often very attached to the animals.
• Animal allergy: An animal allergy is an adverse reaction by the body's immune system to animals such as cats. The allergy is usually associated with the skin, saliva or urine of the animal. Animals frequently lick themselves which results in saliva sticking to the fur. Thus a person allergic to animals will often react to the fur even if it is not attached to the animal. Frequent washing of the animal may reduce symptoms. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms that can result can vary considerably amongst patients e.g. skin and respiratory symptoms.
• Animal bite: The physical bite from any animal
• Animal-type melanoma: Pigment synthesizing melanoma is a rare histopathological variant of melanoma so termed because of prominent melanin production and its similarity to a variant of melanoma seen in grey horses.
• Aniridia: A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV.
• Aniridia - ptosis - mental retardation - obesity, familial: A rare familial disorder characterized by eye abnormalities, mental retardation and obesity.
• Aniridia - absent patella: A rare genetic condition characterized by an abnormal or missing kneecap as well as the absence of the iris of the eye.
• Aniridia - mental retardation syndrome: A very rare syndrome characterized by mental retardation and absent irises.
• Aniridia - renal agenesis - psychomotor retardation: A rare genetic disorder characterized by missing irises of the eye, kidney developmental problems and mental retardation.
• Aniridia I: A genetic disorder where part or all of the iris (except for the stump) of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV.
• Aniridia II: A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV. AN-II is often associated with other eye problems such as glaucoma and nystagmus.
• Aniridia III: A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV. AN-III is associated with mental retardation.
• Aniridia ataxia renal agenesis psychomotor retardation: A rare genetic disorder characterized by missing irises of the eye, ataxia, psychomotor retardation and abnormally kidneys.
• Aniridia cerebellar ataxia mental deficiency: A rare inherited disorder characterized by a partial absence of the iris, mental retardation and impaired coordination of voluntary movements.
• Aniridia ptosis mental retardation obesity familial type: A rare familial disorder characterized by eye abnormalities, mental retardation and obesity.
• Aniridia, sporadic: A rare eye malformation where part or all of the iris of the eye is missing at birth.
• Aniridia, type 2:
• Anisakiasis: Intestinal infection by a parasitic worm (Anisakidae). Infection usually occurs by eating seafood infected with the larvae.
• Anisocytosis: Abnormal variations in the size of red blood cells.
• Ankle Osteoarthritis: A form of arthritis where the cartilage which cushions the bones in the ankle joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all cases however, with some patients imply suffering joint stiffness. Primary osteoarthritis occurs as the person ages but results from repetitive use and/or high mechanical stress on the joint. It is not a direct result of the aging process. Secondary osteoarthritis is the result of such things as injury to the joint, joint infection, obesity, ligament damage, joint overuse, hormonal problems, pregnancy and various other conditions. Family history seem to play a factor in developing the condition.
• Ankle defects short stature: A rare disorder characterized mainly by ankle defects and short stature
• Ankle fracture: Fracture of bones in the ankle.
• Ankyloblepharon filiforme - imperforate anus: A rare genetic disorder characterized by a narrowed or absent anal opening as well as fused eyelids.
• Ankyloblepharon filiforme adnatum - cleft palate: A rare inherited genetic disorder characterized by a cleft palate and eyelid fusion.
• Ankyloglossia - heterochromia - clasped thumbs: An extremely rare inherited condition characterized by clasped thumbs (adducted thumb), different colored eyes and a tongue anomaly where the tongue has limited mobility due to the fact that it is excessively attached to the floor of the mouth.
• Ankylophobia: An exaggerated or irrational fear of stiff or immobile joints.
• Ankylosing spondylarthritis: Inflammation of one or more spine joints. The spine becomes progressively painful and stiff and the spine joints may eventually fuse and cause disability. The condition may vary from mild to severe. Inflammation can affect other joints and tissues.
• Ankylosis - facial anomalies - pulmonary hypoplasia syndrome: A rare familial syndrome characterized mainly by fused or stiff joints, facial anomalies and underdeveloped lungs.
• Ankylosis of teeth: A rare genetic disorder where the teeth fuse to the bone which can prevent them from erupting. Varying numbers of teeth may be affected.
• Ankylostomiasis: A parasitic intestinal infection caused by a hookworm called Ancylostoma duodenale or Necator americanus. Infection usually occurs when larva enter a break in the skin and then travel throughout the body until the reach the intestines.
• Annular constricting bands: Bands of amniotic tissue which can constrict parts of the body (especially the limbs) and result in deformity, swelling or even amputation of a body part. The severity and part of the body involved varies from case to case.
• Annular pancreas: An abnormality where a ring of pancreatic tissue forms around the duodenum and can block the flow of food through the digestive system. The severity of symptoms depends on the degree of constriction. Partial obstruction may not be detected until adulthood.
• Annular pustular psoriasis: Pustular psoriasis is a form of psoriasis characterized by pustules rather the skin bumps. There are various subtypes of the disorder: generalized, annular, palmoplantar or juvenile. Annular pustular psoriasis tends to have a ring-like appearance where the outer margin is red with lighter skin inside.
• Anodontia: A congenital defect characterized by the absence of some or all teeth.
• Anodontia and strabismus: A rare, dominantly inherited syndrome characterized by the association of strabismus and lack of teeth.
• Anonychia: An inherited condition where an infant is born without fingernails and toe nails. The finger bones were normal.
• Anonychia - ectrodactyly: A very rare syndrome characterized by the absence of nails and the absence of all or part of one or more fingers or toes (ectrodactyly).
• Anonychia - microcephaly: A very rare syndrome characterized by the absence of nails and a small head.
• Anonychia - onychodystrophy: A rare birth malformation characterized by absent nails and dystrophic nails.
• Anonychia onychodystrophy brachydactyly type b: A rare, dominantly inherited disorder characterized abnormal or absent nails, permanently flexed fingers and a broad, finger-like thumb.
• Anonychia with flexural pigmentation: A rare disorder characterized by missing nails and areas of increased and decreased pigmentation in the groin and armpits.
• Anonychia-onychodystrophy with brachydactyly type B and ectrodactyly: A rare, dominantly inherited disorder characterized abnormal or absent nails, missing fingers, permanently flexed fingers and a broad, finger-like thumb.
• Anophthalmia - Microphthalmia, isolated: A rare disorder where absent or small eyes are not associated with any other abnormalities.
• Anophthalmia - cleft palate - micrognathia: A rare syndrome characterized mainly by absent eyes, cleft palate and a small jaw.
• Anophthalmia - esophageal atresia - cryptorchidism: An extremely rare congenital malformation characterized by absent eyes, undescended testes and an esophageal malformation.
• Anophthalmia - hand and foot defects - mental retardation: A rare syndrome characterized mainly by mental retardation, hand and foot defects and absent eyes.
• Anophthalmia - heart and pulmonary anomalies - intellectual deficit: A rare disorder characterized by absent eyes, heart and lung anomalies and mental retardation.
• Anophthalmia - hypothalamo-pituitary insufficiency: A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland.
• Anophthalmia - hypyothalamo-pituitary insufficiency: A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland.
• Anophthalmia - megalocornea - cardiopathy - skeletal anomalies: A rare genetic syndrome characterized by absent or very small eyes, large corneas, congenital heart defects and skeletal abnormalities.
• Anophthalmia - microcephaly - hypogonadism: A rare syndrome characterized mainly by absent eyes, a small head and hypogonadism.
• Anophthalmia - short stature - obesity: A very rare syndrome characterized by absent eyes, short stature and obesity.
• Anophthalmia cleft lip palate hypothalamic disorder: A very rare inherited disorder characterized by one missing eye and one very small eye, cleft lip, cleft palate and high levels of thyroid-stimulating hormone.
• Anophthalmia plus syndrome: An extremely rare disorder characterized by absent or very small eyes, underdeveloped ears and other facial anomalies.
• Anophthalmia with pulmonary hypoplasia: A rare disorder characterized by absent or very small eyes and underdeveloped lung tissue.
• Anophthalmia/microphthalmia - esophageal atresia: A rare disorder characterized by esophageal and genital defects as well as absent or very small eyes.
• Anophthalmos: A rare defect where one or both eyes are absent. The amount of eye socket tissue affected is variable.
• Anophthalmos with limb anomalies: A rare disorder characterized by absent eyes
• Anorchia: Congenital condition where one or both testes are absent.
• Anorchidia: A rare birth defect where the testes are absent. The testes may regress at any stage of fetal development. The stage of fetal growth at which the testes regress will affect the presentation of the disorder at birth. The presentation at birth may range from varying degrees of genital ambiguity with streak gonads.
• Anorectal atresia: Congenital malformation where the anal or rectal opening is obstructed. The malformation is often associated with other abnormalities.
• Anorectal disorders: Conditions that affect the anorectum
• Anorexia: This is known as a lack of or loss of appetite for food
• Anorexia Nervosa: A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases.
• Anorexia nervosa, genetic types: There is mounting evidence that anorexia nervosa may be caused by genetic factors which when combined with psychosocial factors can increase a persons risk of developing the condition.
• Anosmia: A loss of or lack of a sense of smell.
• Anosognosia: A condition where a person suffering who is suffering from a disability resulting from a brain injury but is in denial of the fact that they are indeed suffering from a disability. For example a person who has become blind after a brain injury may still firmly believe that they can see. Schizophrenics may refuse treatment because they refuse to acknowledge that there is something wrong with them.
• Anotia: Congenital absence of one or both ears.
• Anotia - facial palsy - cardiac defect: A rare syndrome characterized mainly missing ears, facial weakness and congenital heart defects.
• Anoxemia: Lack of oxygen in the blood.
• Anoxia: A condition marked by a lack of oxygen.
• Ansell-Bywaters-Elderking syndrome: A rare familial syndrome characterized mainly by mental retardation, rash, eye inflammation and joint disease.
• Antepartum Eclampsia: Antepartum eclampsia is the development of seizures or coma in pregnant women suffering from high blood pressure. Antepartum means that it occurs before delivery. Eclampsia is a serious condition which requires urgent medical treatment. Eclampsia may be associated with moderate as well as significant increases in blood pressure. The blood pressure can return to normal after delivery or may persist for a period of time.
• Anterior Interosseous Nerve Compression: Compression or entrapment of the radial nerve which is in the forearm. The problem can result from such things as bone tumors, trauma, lipomas or the repetition of certain arm motion. This nerve is involved in controlling various muscles in the hand and the wrist. The condition may be misdiagnosed as tennis elbow - the pain from tennis elbow is usually closer to the elbow than the pain in radial tunnel syndrome.
• Anterior Segment Anomalies of the Eye, Growth Retardation associated with Hypoplastic Pituitary Gland and Endocrine Abnormalities: A very rare condition characterized by the association of eye anomalies, retarded growth and pituitary and endocrine gland abnormalities. The parents of the affected children were related.
• Anterior cord syndrome: Neurological symptoms caused by compression of the front part of the spinal column or damage to the anterior spinal artery.
• Anterior horn disease: Any of a group of diseases that affect the anterior horn cells which make up part of the spinal cord. The anterior horn contains motor neurons which primarily affect the axial muscles. Symptoms will vary depending on the specific disease involved. Examples of such diseases includes Werdnig-Hoffmann disease, amyotrophic lateral sclerosis, spinal muscular atrophy, Charcot-Marie-Tooth disease, progressive muscular atrophy and polyiomyelitis.
• Anterior pituitary hyperhormonotrophic syndrome: A syndrome characterized by the excessive production of various hormones (gonadotrophic, thyrotrophic, lactotrophic and pancreatrophic hormone).
• Anterior polar cataract 2: A rare, dominantly inherited type of cataract which is characterized by small opacities on the front surface of the eye lens. Vision is usually not affected and the cataract is not associated with any other abnormalities. Type 1 is caused by a genetic defect on chromosome 17p13.
• Anterior segment mesenchymal dysgenesis: An eye disorder caused by a genetic anomaly. The degree of vision impairment various with the severity of the condition.
• Anterior spinal artery stroke: An interruption to the blood supply in the anterior spinal artery which affects sensation, motor control and bowel control. The symptoms may improve to varying degrees once the blood supply returns to normal. The severity of the disorder depends on the exact location of the defect and how long it persists for.
• Anterior spinal artery syndrome: Neurological symptoms caused by the blockage of the anterior spinal artery. The blockage may be caused by such things as trauma, cancer, thrombosis and arterial disease. Symptoms are determined by the exact location of the blockage.
• Anthophobia: An exaggerated or irrational fear of flowers.
• Anthracycline extravasations: Damage and destruction of tissue that occurs when anthracycline medication permeates into the tissues surrounding an IV site due blood vessel damage. The resulting damage can range from mild to serious tissue destruction involving ulceration and necrosis. In serious cases, underlying structures such as nerves and tendons may also be affected.
• Anthrax: A serious infectious bacterial disease that can be fatal.
• Anthrax meningitis: Anthrax meningitis is an infectious disease caused by breathing in the spores of the bacteria Bacillus anthracis.
• Anthropophobia: An exaggerated or irrational fear of people and groups of people.
• Anthurium poisoning: Anthuriums have dark, glossy, heart-shaped leaves with glossy, heart-shaped flowers which can be red, white or other colors. The plant contains calcium oxalate crystals which an cause severe mouth pain if eaten. Large amounts would need to be eaten to cause poisoning. Eye and skin irritation can also occur on exposure to the plant.
• Anti-HLA hyperimmunization: A rare condition the patient develops an increased level of anti-HLA antigens - it is usually seen in patients with chronic kidney failure who have undergone many transfusions and hemodialysis.
• Anti-Social Personality Disorder: A psychiatric condition characterized by chronic behavioral and social problems which often involves criminal behaviour.
• Anti-glomerular basement membrane antibody-mediated disease: A kidney disorder involving varying degrees of kidney impairment. Severe cases lead to kidney failure whereas mild cases have normal kidney function.
• Anti-plasmin deficiency, congenital: A very rare inherited blood disorder involving a deficiency of antiplasmin which results in excessive bleeding.
• Antibiotics-induced liver damage: Damage or injury to the liver caused by taking certain antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Cephalosporin: Damage or injury to the liver caused by exposure to Cephalosporin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Chloramphenicol: Damage or injury to the liver caused by exposure to an antibiotic called Chloramphenicol. Chloramphenicol a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Clindamycin: Damage or injury to the liver caused by exposure to Clindamycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Erythromycin Ethyl succinate: Damage or injury to the liver caused by exposure to Erythromycin Ethyl succinate antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Erythromycin estolate: Damage or injury to the liver caused by exposure Erythromycin estolate antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Novobiocin: Damage or injury to the liver caused by exposure to Novobiocin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Quinolone: Damage or injury to the liver caused by exposure to Quinolone antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Spectinomycin: Damage or injury to the liver caused by exposure to Spectinomycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Sulfones: Damage or injury to the liver caused by exposure to sulfone antiboitics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Telithromycin: Damage or injury to the liver caused by exposure to Telithromycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Tetracycline: Damage or injury to the liver caused by exposure to Tetracycline antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Nitrofuran: Damage or injury to the liver caused by exposure to Nitrofuran antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Penicillin: Damage or injury to the liver caused by exposure to Penicillin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antibiotics-induced liver damage - Rifampicin: Damage or injury to the liver caused by exposure to Rifampicin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anticholinergic syndrome: Symptoms caused by overdose of anticholinergic drugs.
• Anticholinergics poisoning: Excessive ingestion of anticholinergic drugs.
• Anticoagulant poisoning: Excessive ingestion of anticoagulant drugs.
• Anticonvulsive-induced liver damage: Damage or injury to the liver caused by exposure to anticonvulsives. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anticonvulsive-induced liver damage - Mephenytoin: Damage or injury to the liver caused by exposure to an anticonvulsive called mephenytoin. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anticonvulsive-induced liver damage - Phenobarbital: Damage or injury to the liver caused by exposure to an anticonvulsive called phenobarbital. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anticonvulsive-induced liver damage - Phenytoin: Damage or injury to the liver caused by exposure to an anticonvulsive called Phenytoin. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Anticonvulsive-induced liver damage - Valproic Acid: Damage or injury to the liver caused by exposure to an anticonvulsive called valproic acid. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antidiarrheal agent poisoning: Antidiarrheal agents contain chemicals such as atropine and diphenoxylate which can cause various symptoms if excessive quantities are taken. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Antifungal agent-induced liver damage: Damage or injury to the liver caused by exposure to antifungal agents. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antifungal agent-induced liver damage - 5-Fluorocytosine: Damage or injury to the liver caused by exposure to an antifungal agent called 5-Fluorocytosine. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antifungal agent-induced liver damage - Amphotericin: Damage or injury to the liver caused by exposure to an antifungal agent called Amphotericin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antifungal agent-induced liver damage - Griseofulvin: Damage or injury to the liver caused by exposure to an antifungal agent called Griseofulvin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antifungal agent-induced liver damage - Ketoconazole: Damage or injury to the liver caused by exposure to an antifungal agent called Ketoconazole. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antifungal agent-induced liver damage - Saramycetin: Damage or injury to the liver caused by exposure to an antifungal agent called Saramycetin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antigen-peptide-transporter 2 deficiency: A rare inherited disorder where an immunological defect increases a persons risk of vasculitis and bronchopneumopathy.
• Antigen-peptide-transporter deficiency: A rare inherited disorder where an immunological defect increases a persons risk of vasculitis and bronchopneumopathy.
• Antihistamine poisoning: Excessive ingestion of antihistamine drugs.
• Antihypertensive drug allergy: Taking antihypertensive drugs (blood pressure-lowering drugs) can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerable though skin symptoms are the most common allergic response to drugs.
• Antimetazoal agent-induced liver damage: Damage or injury to the liver caused by exposure to Antimetazoal agents. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antimetazoal agent-induced liver damage - Amodiaquine: Damage or injury to the liver caused by exposure to an antimetazoal agent called amodiaquine. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antimetazoal agent-induced liver damage - Hycanthone: Damage or injury to the liver caused by exposure to an antiprotozoal agent called hycanthone. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antimony poisoning: A type of heavy metal poisoning caused by excessive exposure to antimony.
• Antiphospholipid syndrome: An autoimmune disorder characterized by blood clots and pregnancy losses.
• Antiprotozoal agent-induced liver damage: Damage or injury to the liver caused by exposure to antiprotozoal agents. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - 8-Hydroxyquinolone: Damage or injury to the liver caused by exposure to an antiprotozoal agent called 8-Hydroxyquinolone. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - Carbarsone: Damage or injury to the liver caused by exposure to an antiprotozoal agent called carbarsone. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - Emetine: Damage or injury to the liver caused by exposure to an antiprotozoal agent called emetine. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - Mepacrine: Damage or injury to the liver caused by exposure to an antiprotozoal agent called mepacrine. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - Metronidazole: Damage or injury to the liver caused by exposure to an antiprotozoal agent called Metronidazole. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiprotozoal agent-induced liver damage - Thiabendazole: Damage or injury to the liver caused by exposure to an antiprotozoal agent called Thiabendazole. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antipsychotic poisoning: Excessive ingestion of antipsychotic drugs.
• Antisynthetase syndrome: A rare autoimmune disease that affects the muscles. It involves the development of antibodies to an enzyme (aminoacyl-tRNA synthetase) which is involved in making proteins.
• Antithrombin Deficiency: Antithrombin deficiency refers the deficiency or impaired activity of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if its activity is impaired then the blood becomes more prone to clotting which can result in severe problems. Severity of the condition can vary amongst patients and the symptoms can vary considerably depending on the location of blood clots and size of the blood clot.
• Antithrombin Deficiency, type I: Type I Antithrombin deficiency refers the deficiency of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if there are insufficient quantities of it then the blood becomes more prone to clotting which can result in severe problems. Severity of the condition can vary amongst patients and the symptoms can vary considerably depending on the location of blood clots and size of the blood clot. Type I may be inherited or acquired through such things as kidney or liver disease. Acquired cases tend to have a lower risk of blood clots compared to inherited cases.
• Antithrombin Deficiency, type II: Type II Antithrombin deficiency refers the malfunction of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if it is unable to function properly then the blood becomes more prone to clotting which can result in severe problems. Severity of the condition can vary amongst patients and the symptoms can vary considerably depending on the location of blood clots and size of the blood clot. Type II is an inherited condition.
• Antithrombin III deficiency, congenital: A rare blood disorder where a congenital deficiency of antithrombin III causes excessive blood coagulation which results in blood clot formation.
• Antithyroid arthritis syndrome: Arthritis caused by using antithyroid drugs to treat hyperthyroidism.
• Antituberculous agent-induced liver damage: Damage or injury to the liver caused by exposure to antituberculous agents. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antituberculous agent-induced liver damage - Cycloserine: Damage or injury to the liver caused by exposure to an antituberculous agent called cycloserine. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antituberculous agent-induced liver damage - Ethionamide: Damage or injury to the liver caused by exposure to an antituberculous agent called ethionamide. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antituberculous agent-induced liver damage - Isoniazid: Damage or injury to the liver caused by exposure to an antituberculous agent called isoniazid. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antituberculous agent-induced liver damage - Rifampicin: Damage or injury to the liver caused by exposure to an antituberculous agent called rifampicin. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antituberculous agent-induced liver damage - p-aminosalicylic acid: Damage or injury to the liver caused by exposure to an antituberculous agent called p-aminosalicylic acid. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiviral agent-induced liver damage: Damage or injury to the liver caused by exposure to antiviral agents. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiviral agent-induced liver damage - Cytarabine: Damage or injury to the liver caused by exposure to an antiviral agent called cytarabine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiviral agent-induced liver damage - Vidarabine: Damage or injury to the liver caused by exposure to an antiviral agent called vidarabine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiviral agent-induced liver damage - idoxuridine: Damage or injury to the liver caused by exposure to an antiviral agent called idoxuridine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antiviral agent-induced liver damage - xenylamine: Damage or injury to the liver caused by exposure to an antiviral agent called xenylamine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
• Antley-Bixler Syndrome: A rare genetic disorder characterized by premature closing of skull bones, choanal atresia and craniofacial and limb abnormalities.
• Antley-Bixler-like syndrome - ambiguous genitalia - disordered steroidogenesis: A rare genetic disorder involving a deficiency of an enzyme (cytochrome P450 oxidoreductase) which causes steroid abnormalities. The condition results in ambiguous genitalia in females due to excessive androgen during fetal growth. Patients can also have the bone symptoms of Antley-Bixler syndrome.
• Antlophobia: An exaggerated or irrational fear of floods.
• Anton's syndrome: A condition where a person is unable to accept the fact that they are partially or totally blind. They make excuses for not being able to see despite medical advice to the contrary.
• Anton-Vogt syndrome: A congenital disorder where a brain anomaly results in involuntary purposeless movements (choreathetosis). Excitement and activity can make symptoms worse.
• Anxiety attack: Sudden onset of extreme anxiety
• Anxiety depression: Anxiety can sometimes co-occur with depression and produce a confusing clinical picture wherein one of the conditions maybe diagnosed and the other missed out on.
• Anxiety, separation: A term used when children become upset when they are separated from a parent or carer. The situation is most commonly witnessed when children are taken to day care. Other situations include when the child is left with a baby sitter or made to sleep on his/her own. It is a normal condition during childhood.
• Anxiety-tension syndrome: Anxiety associated with physical symptoms such as tense muscles and fatigue.
• Aorta-pulmonary artery fistula: An abnormal opening or connection between the aorta and the main pulmonary artery. It can occur through a traumatic penetrating injury or may be a complication of surgery. Severe cases can lead to heart failure.
• Aortic Valve Insufficiency: A heart valve disorder where the heart valve is unable to close completely which causes a backflow of some of the blood from the aorta. The condition can be caused by such things as systemic lupus erythematosus, endocarditis, high blood pressure, Marfan's syndrome and aortic dissection.
• Aortic aneurysm: A localised dilatation of the aorta which results in a 50% increase in its diameter
• Aortic aneurysm, familial abdominal 1: A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 1 is caused by a genetic defect on chromosome 19q13.
• Aortic aneurysm, familial abdominal 2: A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 2 is caused by a genetic defect on chromosome 4q31.
• Aortic aneurysm, familial abdominal 3: A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 3 is caused by a genetic defect on chromosome 9p21.
• Aortic aneurysm, familial thoracic 1: A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 1 is caused by a genetic defect on chromosome 11q23.3-q24.
• Aortic aneurysm, familial thoracic 2: A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 2 is caused by a genetic defect on chromosome 5q13-q14.
• Aortic aneurysm, familial thoracic 3: A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 3 is caused by a genetic defect on chromosome 3p22.
• Aortic aneurysm, familial thoracic 4: A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 4 also involves another heart defect (patent ductus arteriosus) and is caused by a genetic defect on chromosome 16p13.13-p13.12.
• Aortic aneurysm, familial thoracic 5: A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 5 is caused by a genetic defect on chromosome 9q33-q34.
• Aortic arch anomaly with peculiar facies and mental retardation: A very rare syndrome characterized by mental retardation, characteristic facial anomalies and abnormal position of the aorta.
• Aortic arch interruption: A rare genetic birth defect where a portion of the aortic arch is missing or discontinued which severely impairs the flow of oxygenated blood to the lower body.
• Aortic arches defect: A defect in the top part of the aorta (aortic arch) that consists of several arterial branches. There is a variety of defects that can occur and symptoms will be determined by the particular defect involved. Possible types of defects includes aortic coarctation and aortic arch hypoplasia.
• Aortic coarctation: A rare inherited birth defect where the heart blood vessel called the aorta has a narrowed area which affects blood flow. The degree of constriction is variable which mild cases asymptomatic until adulthood. The poor blood flow to the lower body gives results in it appearing less developed than that upper body.
• Aortic dilatation- joint hypermobility- arterial tortuosity: A rare syndrome characterized by the dilation of the aortic root, hyperextensible joints and varicose veins
• Aortic dissection: A tear in the inner layer of the aorta (major artery in the body) which allows blood to escape into outer layers of the artery.
• Aortic supravalvular stenosis: A rare congenital condition involving increased intestinal calcium absorption and characterized by development delay, distinctive facial features, small nails and short stature.
• Aortic valve stenosis: A congenital condition involving a malformation of the valve that controls the blood flow of the main heart vessel (aorta). The valve doesn't open enough to allow sufficient blood to flow through the aorta which reduces the supply of oxygenated blood to the body.
• Aortic valves stenosis of the child: A birth defect where the aortic valve is abnormally narrow or unable to fully open. Depending on the degree of narrowing, the symptoms may range from severe to asymptomatic.
• Apallic syndrome: A persistent vegetative state caused by brain damage.
• Apeirophobia: An exaggerated or irrational fear of infinity.
• Apelt-Gerkin-Lenz Syndrome: A rare inherited syndrome characterized by clefting of the lip and palate as well as the absence of variable portions of all of the limbs.
• Apert syndrome: A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused together.
• Aphakia: Absence of the lens of the eye - often due to cataract treatment. Also called aphacia.
• Aphakia, congenital primary: The absence of the lens of the eye at birth
• Aphalangia - syndactyly - microcephaly: A very rare syndrome characterized by the absence of one or more bones of the fingers and toes, a small head and fusion of fingers.
• Aphasia, Broca: A language disorder that originates from damage or maldevelopment to the part of the brain known as Broca's area. Other parts of the brain may also be affected.
• Apholate - Teratogenic Agent: Experimental studies on lambs indicate that the use of Apholate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aphthous stomatitis: A rare condition characterized by recurring painful ulcers in the mouth.
• Apiophobia: An exaggerated or irrational fear of bees.
• Aplasia Cutis Congenita: A rare congenital condition characterized by the absence of patches of skin which usually occur on the scalp and are noninflammatory.
• Aplasia cutis congenita - epibulbar dermoids: A very rare syndrome characterized by increased skin pigmentation, a localized absence of skin (aplasia cutis congenital) and epibulbar dermoids (a benign eye tumor).
• Aplasia cutis congenita dominant: A rare, dominantly inherited disorder characterized by the congenital absence of skin layers on parts of the skull.
• Aplasia cutis congenita of limbs recessive: A very rare syndrome characterized by a localized absence of skin on the limbs. The extent of the malformation is variable and but it often heals with scarring.
• Aplasia cutis congenital - intestinal lymphangiectasia: A rare disorder characterized by a skin defect and dilated intestinal lymph vessels.
• Aplasia cutis myopia: A very rare syndrome characterized by a skin defect (localized absence of skin at birth) and nearsightedness and other eye anomalies.
• Aplasia of lacrimal and salivary glands: A rare inherited disorder involving the absence of the salivary and tear-producing glands.
• Aplasia/hypoplasia of pelvis, femur, fibula, and ulna with abnormal digits and nails: A rare syndrome characterized by the underdevelopment or absence of the pelvis, thigh bone, shin bone and ulna (forearm bone) as well as digital and nail abnormalities.
• Aplastic anemia: A blood disorder where the bone marrow produces insufficient new blood cells.
• Aplastic anemia - paroxysmal nocturnal hemoglobinuria syndrome: The association of hemoglobin in the urine with aplastic anemia. The hemoglobin in the urine manifests as dark urine in the morning. This is usually only observed in the morning as the urine is concentrated while sleeping which makes the presence of the hemoglobin more pronounced. Usually the condition leads to acute leukemia.
• Apnea: Periods of absence of breathing
• Apnea of infancy (AOI): Temporary cessation of breathing in infants (under one year old) for longer than 15-20 seconds. The infants are not premature.
• Apnea of prematurity: AOP occurs in infants who are born prematurely (before 34 weeks of pregnancy).
• Apo A-I deficiency: Low plasma HDL cholesterol that tends to run in families.
• Apolipoprotein C 2I deficiency: A rare inherited condition where a deficiency of apolipoprotein C-II impairs lipoprotein metabolism and results in a build up of chylomicrons and VLDL.
• Apomorphine - Teratogenic Agent: Experimental studies on chickens indicate that the use of Apomorphine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Apotemnophilia: Sexual enjoyment gained from being or becoming and amputee or even been seen as an amputee.
• Apparent Mineralocorticoid Excess, type 2: A form of inherited high blood pressure that starts during early childhood. The condition is caused by a genetic defect which results in an inborn error of metabolism of peripheral cortisol. Type 2 causes similar symptoms to type 1 but the urinary steroid levels are different.
• Apparent mineralocorticoid excess: A form of inherited high blood pressure that starts during early childhood. The condition results from a genetic defect which causes impaired metabolism of cortisol.
• Appendiceal tumor: A tumor of the appendix. The condition is often misdiagnosed as acute appendicitis. The cancer usually metastasizes from other sites and rarely starts in the appendix.
• Appendix cancer: Cancer of the appendix. The cancer usually metastasizes from other sites and rarely starts in the appendix.
• Appendix disorders: Disorders that affect the appendix
• Apraxia: A disorder of skilled movement not due to tremors, weakness, akinesia or abnormal tone or posture.
• Apraxia, Ideomotor: A movement disorder usually associated with damage to the left parietal lobe. Patients have difficulty translating and idea into a movement. It may also result from improper signal transmission to the motor cortex which controls movement. For example, they can use scissors automatically but have problems when they are specifically asked to use scissors.
• Apraxia, oculomotor, Cogan type: A rare inherited condition where the person is unable to move eyes horizontally making it difficult to follow objects.
• Apricot seed poisoning: Apricot seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the pit remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental ingestion is very unusual. Most parts of the apricot plant contain the toxic chemical with the highest concentration in young leaves. Different species of apricots have different levels of toxic chemical. Severe symptoms or even death can occur if children consume more than ten kernels or adults consume more than forty kernels. Theories exist that apricot kernels may help cancer sufferers but there has been no scientific studies that have proven this.
• Aprosodia: A term used to describe the impaired ability to understand or use emotions in oral language.
• Aprotinin - Teratogenic Agent: Experimental studies on rats indicate that the use of Aprotinin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aquaphilia: Sexual arousal from water, especially such things as bathtubs and swimming pools.
• Arachibutyrophobia: An exaggerated or irrational fear of peanut butter sticking to the roof of the mouth.
• Arachnephobia: An exaggerated or irrational fear of spiders.
• Arachnidism: Poisoning from a spider bite.
• Arachnodactyly - Intellectual Deficit - Dysmorphism: A rare condition characterized by long thin digits, reduced intelligence characteristic facial appearance.
• Arachnodactyly - mental retardation - dysmorphism: A very rare syndrome characterized by mental retardation, unusual facial features and long, thin fingers and toes.
• Arachnoid Cysts: A rare disorder involving a fluid-filled cysts on the arachnoid membrane which is one of the thin layers of tissue that form a membrane which covers the spinal cord and brain. The type and severity of symptoms is determined by the size and location of the cyst.
• Arachnoiditis: A progressive disorder where the arachnoid membrane becomes inflamed and the brain and spinal cord may also become inflamed.
• Arakawa syndrome 1: An inherited metabolic disorder where an enzyme deficiency (glutamate formiminotrransferase) causes mental and physical retardation and degeneration of brain tissue.
• Arakawa's syndrome 2: An inherited metabolic disorder where an enzyme deficiency (methionine synthase) causes mental and physical retardation, blood disorders, degeneration of brain tissue and various other symptoms.
• Aralia poisoning: Aralia is an evergreen shrub which produces clusters of small white flowers. The plant originated in Asia and Africa. The plant contains a toxic chemical called saponic glycoside and can cause skin irritation if skin contact occurs or other symptoms if eaten. The plant is considered to have a relatively low toxicity.
• Arbovirosis: An infectious disease caused by an arbovirus. The virus is transmitted by arthropods such as insects and ticks. Examples of arboviruses include Yellow Fever, Japanese encephalitis and tick-borne encephalitis. The symptoms may vary depending on the type of virus involved. The infection can lead to life-threatening brain inflammation.
• Arcobacter butzleri infection: A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water.
• Arcobacter cryaerophilus infection: A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water.
• Arcobacter infection: A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water.
• Arcus corneae: A disease of the cornea which sometimes appears as white arcs on the cornea. The white arcs are due to abnormal deposits of phospholipids and cholesterol. It is usually caused by high blood lipid levels or eye defects.
• Arena syndrome: A rare disorder characterized by mental retardation, spastic paraplegia and iron deposits in part of the brain that controls movement (basal ganglia).
• Aretifism: A sexual preference for people with no footwear.
• Argentinean hemorrhagic fever: An infectious disease caused by the Junin virus. Transmission can occur through contact with infected rodent (usually the corn mouse) urine, feces or saliva. The incubation period lasts from one to two weeks. The disease is most common in rural workers in Argentina.
• Arginase deficiency: A very rare urea cycle disorder caused by a deficiency of the enzyme (arginase) needed to convert ammonia to the urea which can then be removed in the urine. The condition leads to excess build-up of ammonia in the body which is toxic to the nervous system.
• Arginine-glycine amidinotransferase deficiency: A rare metabolic disorder involving an enzyme deficiency which causes psychomotor retardation.
• Argininosuccinase lyase deficiency, late onset: A rare inherited urea cycle disorder caused by lack of enzymes (argininosuccinase lyase) needed to turn ammonia into urea resulting in excess ammonia in the body. The late onset form of the condition tends to start later in life as there is some level of activity by the defective enzyme. The condition tends to be less severe and can be triggered by a change in diet, illness or some other stress on the body.
• Argininosuccinase lyase deficiency, neonatal: A rare inherited urea cycle disorder caused by lack of enzymes (argininosuccinase lyase) needed to turn ammonia into urea resulting in excess ammonia in the body. The neonatal form of the condition can result in death or severe complications if not treated early enough.
• Argininosuccinic aciduria: A rare inherited disorder of the urea cycle characterized by the lack of an enzyme (argininosuccinate lyase) which is needed to remove nitrogen from the body so a lack of the enzyme leads to a build-up of ammonia in the blood.
• Arginninosuccinic acid synthetase deficiency:
• Argyll-Robertson syndrome: An eye disorder where the pupils can respond to changes in distance (accommodation) but not to light. The pupil doesn't respond normally to light changes (dilate or constrict). One or both eyes may be involved. The condition is often associated with syphilis that involves the nerves but may also occur in conditions such as multiple sclerosis, virus infections and heredodegenerative conditions.
• Argyria: A high level of contact or ingestion of silver salts resulting on grayish staining of the skin, mucous membranes and even internal organs.
• Arhinia, choanal atresia, and microphthalmia: A very rare syndrome characterized by small eyes, choanal atresia (blocked nasal passages) and arhinia (absence of nose and parts of the olefactory system).
• Arhinia-choanal atresia-microphthalmia syndrome: A very rare syndrome characterized by small eyes, choanal atresia (blocked nasal passages) and arhinia (absence of nose and parts of the olefactory system).
• Arima syndrome: A rare disorder characterized mainly by eye and brain abnormalities.
• Aristolochic Acid poisoning: Aristolochic acid is derived from a forest herb from the Aristocholochia family. It is often used in herbal preparations such as Aristolochia Fang Ch, Bragantia and Asarum. It is usually used in herbal preparations to promote weight loss. The substance is believed to cause kidney failure and urinary tract cancer.
• Arizona Bark Scorpion poisoning: A bite from the Arizona Bark scorpion contains chemicals toxic to the nerve system and can cause serious, life-threatening symptoms.
• Armendares syndrome: A rare syndrome characterized mainly by retarded growth and facial, skull and eye abnormalities.
• Arnold Stickler Bourne syndrome: A very rare syndrome characterized by muscle problems in hands, mouth and pharynx, kidney anomalies and corneal crystals.
• Arnold-Chiari Malformation (Type 1): A rare malformation where the base of the brain enters into the upper spinal canal.
• Arnold-Chiari malformation type 2: A rare malformation where the base of the brain enters into the upper spinal canal. The extent of the deformity is greater in type 2 than type 1 and hence the symptoms are more severe and are often associated with a myelomeningocele (opening of the spine and spinal cord).
• Arnold-Chiari malformation type 3: An extremely rare malformation where the base of the brain enters into the upper spinal canal. Type 3 involves the herniation of brain or brain stem tissue out of the back of the neck or head. The condition generally has a poor prognosis.
• Aromatase deficiency: A congenital deficiency of the enzyme called aromatase which is needed to convert androgens to estrogens.
• Aromatic amino acid decarboxylase deficiency: A rare inborn error of metabolism involving the deficiency of an enzyme (aromatic L-amino acid decarboxylase) needed to process aromatic amino acids. This results in a deficiency of neurotransmitters such as dopamine and serotonin. The condition manifests as movement and neurological problems.
• Arotinoid Ethyl Ester - Teratogenic Agent: Experimental studies on mice indicate that the use of Arotinoid Ethyl Ester during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Arotinolol - fetal exposure: Experimental studies on rabbits indicate that the use of Arotinolol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Arrhinia: Absence of the nose at birth.
• Arrhythmogenic right ventricular dysplasia: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood.
• Arrhythmogenic right ventricular dysplasia, familial, 1: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 1 is linked to chromosome 14q23-q24 (TGFB3 gene).
• Arrhythmogenic right ventricular dysplasia, familial, 10: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 10 is linked to chromosome 18q12.1-q12 (DSG2 gene).
• Arrhythmogenic right ventricular dysplasia, familial, 11: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 11 is linked to chromosome 18q12.1 (DSC2 gene).
• Arrhythmogenic right ventricular dysplasia, familial, 12: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 12 is linked to chromosome 17q21 (JUP gene).
• Arrhythmogenic right ventricular dysplasia, familial, 2: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 2 is linked to chromosome 1q42.1-q43 (RYR2 gene).
• Arrhythmogenic right ventricular dysplasia, familial, 3: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 3 is linked to chromosome 14q12-q22.
• Arrhythmogenic right ventricular dysplasia, familial, 4: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 4 is linked to chromosome 2q32.1-q32.3.
• Arrhythmogenic right ventricular dysplasia, familial, 5: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 5 is linked to chromosome 3p23.
• Arrhythmogenic right ventricular dysplasia, familial, 6: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 6 is linked to chromosome 10p14-p12.
• Arrhythmogenic right ventricular dysplasia, familial, 7: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 7 is linked to chromosome 10q22-3.
• Arrhythmogenic right ventricular dysplasia, familial, 8: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 8 is linked to chromosome 6p24 (DSP gene).
• Arrhythmogenic right ventricular dysplasia, familial, 9: A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and occasionally sudden death can occur. Type 9 is linked to chromosome 12p11 (PKP2 gene).
• Arroyo - Garcia - Cimadevilla syndrome: A rare syndrome characterized mainly by absent eyes, undescended right testicle and the esophageal opening is closed off.
• Arsenate - Teratogenic Agent: Experimental studies on mice indicate that the use of Arsenate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Arsenic - Teratogenic Agent: Reports indicate that the use of Arsenic during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Arterial calcification of infancy: A rare disorder involving widespread calcification of arteries which obstructs blood flow.
• Arterial dissections with lentiginosis: A rare familial syndrome characterized by the association of aortic dissection and multiple lentigines (brown skin spots). The aorta can rupture in some cases and result in sudden death.
• Arterial insufficiency: Where the arterial blood flow is insufficient.
• Arterial occlusive disease, progressive - hypertension - heart defects - bone fragility - brachysyndactyly: A rare syndrome characterized by narrowing or blockage of a number of arteries (in the kidneys, abdomen, brain and heart) as well as fragile bones, heart defects and finger abnormalities. Fractures and high blood pressure often start during the first years of life.
• Arterial tortuosity syndrome: A rare disorder which affects the connective tissue that makes up blood vessels resulting in various arterial abnormalities. Connective tissue abnormalities also affect the skin and joints.
• Arteriosclerosis Obliterans: Arteriosclerosis that results in the narrowing and gradual blockage of the artery. Arteriosclerosis involves the deposition of cholesterol plaques and other material on the inside of the artery walls. The symptoms will depend on the location of the arteries affected and how severe the blockage is.
• Arteritis: Inflammation of an artery
• Artery conditions: Any conditions affecting arteries
• Arthralgia: pain in the joints
• Arthralgia - purpura - weakness syndrome: A rare autoimmune disorder characterized mainly by weakness, joint pain, reddish or purplish skin discolorations and a blood abnormality where cryoglobulins in the blood precipitate at low temperatures.
• Arthritis: A condition which is characterized by the inflammation of a joint
• Arthritis - short stature - deafness: A very rare syndrome characterized by arthritis, short stature, deafness and numerous other abnormalities.
• Arthritis, Gouty: Joint pain and inflammation (arthritis) caused by gout (buildup of urate crystals). The big toe is most commonly affected but other joints may also be affected e.g. foot, ankle, elbow, wrist, knee and fingers. Usually only one joint is affected at a time. The condition is most often seen in older men.
• Arthritis-related enthesitis: Inflammation of the entheses due to arthritis. The enthuses is the site at which the tendon or ligament attaches to the bone.
• Arthrogryposis: A condition which is characterized by the persistent flexure of a joint
• Arthrogryposis - epileptic seizures - migrational brain disorder: A rare disorder characterized by congenital joint contractures, epileptic seizures and brain development abnormalities. It can be caused by fetal exposure to alcohol or chemical products.
• Arthrogryposis - ophthalmoplegia - retinopathy: A very rare syndrome characterized by congenital contractures of the hands and feet as well as eye problems.
• Arthrogryposis - renal dysfunction - cholestasis syndrome: A very rare syndrome characterized by joint contractures, kidney dysfunction and liver problems.
• Arthrogryposis - severe scoliosis: A rare disorder characterized by severe scoliosis and permanent flexion of muscles in the ends of the limbs. Other variable features may alsobe present.
• Arthrogryposis - spinal muscular atrophy: A group of inherited motor neuron diseases involving progressive muscle weakness and wasting due to degeneration of motor neurons in the spinal cord. Joint contractures are also present at birth.
• Arthrogryposis Distal: A form of arthrygryposis (congenital contractures) which tends to affect mainly the distal parts of limbs (hands and feet). The degree of limb involvement is variable.
• Arthrogryposis IUGR thoracic dystrophy: A very rare syndrome characterized by congenital joint contractures, intrauterine growth retardation (IUGR) and ribcage abnormalities.
• Arthrogryposis distal type II: A very rare syndrome characterized by permanent flexion of the fingers as well as other birth defects.
• Arthrogryposis due to muscular dystrophy: A rare disorder where a non-progressive muscle disease results in the presence of multiple joint contractures at birth.
• Arthrogryposis multiplex congenita - pulmonary hypoplasia: A rare congenital syndrome involving degeneration of the brain and spinal cord and characterized by facial, head, skeletal and muscular abnormalities. Reduced fetal activity causes many of the problems.
• Arthrogryposis multiplex congenita neurogenic type: A rare non-progressive syndrome characterized by congenital contractures that originates from a nerve problem (spinal motor neuron depletion).
• Arthrogryposis multiplex congenita type 2B: A form of distal arthrogryposis (joint contractures in ends of limbs) that also involves craniofacial abnormalities.
• Arthrogryposis multiplex congenita, distal type 1: A form of arthrygryposis (congenital contractures) which tends to affect mainly the distal parts of limbs (hands and feet). The degree of limb involvement is variable.
• Arthrogryposis multiplex congenita, distal, X-linked: A rare condition characterized by the presence of contractures at birth as well as various other anomalies. The condition is X-linked.
• Arthrogryposis multiplex with deafness, inguinal hernias, and early death: A rare syndrome characterized multiple joint contractures throughout the body, deafness, inguinal hernias and death usually within months of birth.
• Arthrogryposis, distal, type 2A: A form of distal arthrogryposis (joint contractures in ends of limbs) that involves additional symptoms such as facial and spinal anomalies.
• Arthrogryposis, distal, type 2B: A form of distal arthrogryposis (joint contractures in ends of limbs) that also involves craniofacial abnormalities.
• Arthrogryposis, distal, type 2E: A rare syndrome characterized by contractures of the fingers and jaw.
• Arthrogryposis, distal, with hypopituitarism, mental retardation, and facial anomalies: A very rare syndrome characterized mainly by mental retardation, permanent flexion of fingers, low pituitary hormone level and facial anomalies.
• Arthrogryposis-like disorder: A rare disorder characterized by joint contractures of the knees and ankles resulting in wasting or overgrowth of nearby muscles.
• Arthrogryposis-like hand anomaly - sensorineural deafness: A rare disorder characterized by hand contractures and deafness.
• Arthrogrypotic hand abnormality and sensorineural hearing loss: Arthrogrypotic hand abnormality and sensorineural hearing loss is a very rare condition reported in a only a few families. It is characterized by finger and thumb abnormalities and hearing loss.
• Arthropathy, Neurogenic: Joint destruction caused by damage to the nervous system which prevents the patient feeling sensations in the joint. Due to the nerve damage, pain and damage to the joint often goes unnoticed as the joint deteriorates even further. The knee and ankle are the most common joints affected. The condition is usually caused by an underlying diseases which affects the nerves e.g. diabetic neuropathy, syringomyelia, spinal cord injury and pernicious anemia.
• Arthropathy, progressive pseudorheumatoid, of childhood: A form of progressive rheumatoid arthritis that affects children.
• Articulation Disorders: Errors made in speech sounds that consistently occur irrespective of the context. Examples of articulation disorders includes lisps, substitution of the "y" sound for "l" and difficulty with blends involving r, l or s (e.g. brick, clip, slap). The anomaly is common in young children but if it persists after the age of five, the condition needs to be examined closer. The anomaly may be caused by such things as facial muscle weakness.
• Asahi I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Asahi I type was discovered in Asahi I.
• Asaline - Teratogenic Agent: Experimental studies on rats indicate that the use of Asaline during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Asbestos conditions: Medical conditions caused be exposure to asbestos dust
• Asbestosis: Lung condition from asbestos exposure
• Ascher syndrome: A rare syndrome characterized by the association of droopy eyelids, double lip and goiter.
• Ascher's Syndrome:
• Asemia: A term used to describe the inability to comprehend or use any sign or symbol including the oral and written signs and symbols of language. For example patients are unable to understand hand gestures or to use the as a form of expression.
• Aseptic osteitis (generic term): A non-infectious inflammation of the bone. Any bone may be affected
• Asherman's syndrome: Scarring and adhesions that develop in the uterus and can result in menstrual and fertility problems.
• Asherson syndrome: The failure of a muscle at the top of the esophagus to relax and allow food and liquid to pass through. Liquid and even food may accidentally be inhaled and can lead to pneumonia and death in some cases.
• Ashley syndrome: A rare syndrome characterized mainly by an unusual facial appearance and muscle and skeletal abnormalities.
• Asian Dendorlimus pini caterpillar poisoning: A chronic illness caused by contact with certain a poisonous caterpillar called Dendorlimus pini. Contact with the cocoon can also cause symptoms. These caterpillars can be found in Asia, north Africa and eastern Europe.
• Asiatic porpoise poisoning: The Asiatic porpoise is eaten mainly in China. Eating the liver, internal organs and muscle tissue of the Asiatic porpoise can cause poisoning symptoms in humans if sufficient quantities are consumed. The nature of the toxin is unknown but it is believed that some cases result from very high levels of vitamin A in the liver.
• Asparagus Fern poisoning: The asparagus fern is a slightly woody plant with a fern-like foliage. It has yellow-green fruit and bright red berries. The plant originated in South Arica. Skin contact with the plant sap can result in skin irritation and eating the berries can cause gastrointestinal symptoms.
• Asparagus berry overdose: The asparagus plant has bright red berries which can cause skin and gastrointestinal problems which are relatively minor and short-lived. The young shoots of the asparagus plant can also cause problems.
• Asparagus, specific smell hypersensitivity: Eating asparagus results in the excretion of an odorous compound but only some people are actually able to smell this compound. This some people are more sensitive to the smell.
• Aspartylglucosaminidase deficiency: A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation becomes progressively worse.
• Aspartylglucosaminuria: A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation becomes progressively worse.
• Aspartylglycosaminuria: A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation becomes progressively worse.
• Asperger syndrome: A neuropsychiatric disorder mainly involving the inability to understand and becoming involved in social interaction.
• Aspergillosis: Infection with a fungus called Aspergillus.
• Aspergillus niger infection: A rare fungal infection that often causes a black mould to appear on some fruit and vegetables but may also infect humans through inhalation of fungal spores.
• Asphyxia neonatorum: Respiratory failure in a newborn.
• Asphyxiophilia: Sexual arousal from self-strangulation.
• Aspirin - Teratogenic Agent: There is strong evidence to indicate that exposure to Aspirin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Aspirin-induced asthma: Aspirin-induced asthma refers to inflammation and constriction of the airways that is triggered by the use of aspirin. A significant number of patients with aspirin-induced asthma also have steroid-dependant asthma where they require regular steroidal asthma medication to maintain normal lung functioning. The severity of symptoms is variable.
• Asrar-Facharzt-Haque syndrome: A form of sinus histiocytosis characterized by lymphadenopathy as well as involvement of other tissues such as the sinus cavity, skin, lungs, bone, eyes, kidneys, testes, head and neck area and the central nervous system. Symptoms vary according to the organ involved. The condition usually runs a prolonged course with spontaneous remission occurring in some cases. Rare cases may be fatal.
• Astasis: A term used to describe the inability to stand due to muscle coordination problems as opposed to muscel problems. It tends to occur as a result to damage to a part of the brain (frontal lobes).
• Asteatotic dermatitis: An itchy eczema-like skin condition involving areas of superficial cracking and mild peeling of the skin. Older people who bathe excessive in hot soapy water and live in houses with a high temperature and low humidity are the most prone to this condition. Usually the limbs are affected but the trunk may also be involved.
• Asteatotic eczema: Asteatotic eczema is a chronic skin condition that tends to occur in old age. It usually develops on the lower legs but can occur on other parts of the body as well. Symptoms tend to be worse in dry winter weather.
• Asternia: Congenital absence of the sternum (breastbone).
• Asternia with Cardiac, Diaphragmatic, and Abdominal defects: A rare disorder characterized by the congenital absence of the sternum (bone that joins the two sides of the ribcage) as well as defects involving the heart, diaphragm and the abdomen.
• Asthenia: Weakness, lack of energy or strength.
• Asthenophobia: An exaggerated or irrational fear of weakness or fainting.
• Asthenopia: A condition where weak eye muscles causes the eyes to get tired easily. Symptoms may include eye pain, headache, dim vision, dizziness and nausea.
• Asthma: A condition which is characterized by recurrent attacks of paroxysmal dyspnoea
• Asthma in pregnancy: Asthma in pregnancy refers to inflammation and constriction of the airways that is occurs during pregnancy. Women who are pregnancy may decide to stop taking their asthma medication in order to reduce the perceived risk of side effects to the developing fetus. The reality is that the potential harmful effects on the fetus are very small compared to the problems caused to mother and fetus if a severe asthma attack develops. Furthermore, uncontrolled asthma during pregnancy may also cause problems such as small birth weight or premature birth. Pregnant women should consult their physician in order to determine the optimal management of their condition. During pregnancy, asthma symptoms may become worse, improve or stay the same.
• Asthma related cough: Cough-variant asthma is a type of asthma in which the main symptom is a dry, non-productive cough. Cough-variant asthma is sometimes called chronic cough to describe a cough that has lasted longer than six to eight weeks.
• Asthma, Exercise-Induced: Breathing problems caused by exercise. Patients who suffer from asthma and allergic rhinitis are particularly prone to the condition. Factors such as reduced humidity, cold temperatures, high levels of pollen, poor physical fitness, respiratory infections and reduced air quality can all increase the risk of an attack.
• Asthma-related traits, susceptibility to, 1: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 14q22.1.
• Asthma-related traits, susceptibility to, 2: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 7p15-p14.
• Asthma-related traits, susceptibility to, 3: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 2p16.
• Asthma-related traits, susceptibility to, 4: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 1p31.
• Asthma-related traits, susceptibility to, 5: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 12q14.3.
• Asthma-related traits, susceptibility to, 6: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 17q21.
• Asthma-related traits, susceptibility to, 7: An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 1q32.1.
• Asthmatic Bronchitis: A variant of asthma where cough, either chronic or during an exacerbation following a viral infection, is the main or only symptom
• Astley-Kendall syndrome: A very rare syndrome involving abnormal skeletal development and resulting in short limbs, fragile bones and cartilage abnormalities. The condition generally results in stillbirth or death during early infancy.
• Astraphobia: An exaggerated or irrational fear of lightning and thunder.
• Astrophobia: An exaggerated or irrational fear of stars and celestial space.
• Asymmetric crying facies: A minor birth defect where the muscle the controls the lower lip is absent or underdeveloped. The muscle defect causes facial weakness on one side which becomes noticeable when a baby cries or smiles. Often other birth defects are also associated and if this is the case, the condition is then referred to as Cayler syndrome.
• Asymmetric short stature syndrome: A rare disorder characterized mainly by short stature, unequal leg lengths and facial anomalies.
• Asymptomatic inflammatory prostatitis: Asymptomatic inflammatory prostatitis is a symptomless microscopic condition of the prostate gland. It should be distinguished from other forms of prostatitis such as chronic bacterial prostatitis, acute bacterial prostatitis and chronic pelvic pain syndrome (CPPS).
• Atamasco lily poisoning: The atamasco lily is a bulbous plant with long thin leaves and single white or pink flowers. The plant originated in the US. All parts of the plant contain a toxic chemical called lycorine as well as alkaloids. The bulb is the most toxic part of the plant. Eating the bulb can result in death.
• Ataxia - diabetes - goiter - gonadal insufficiency: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
• Ataxia - hypogonadism - choroidal dystrophy: A very rare disorder characterized by spinocerebellar ataxia, eye abnormalities and a failure of the pituitary to stimulate gonadal development during puberty.
• Ataxia - oculomotor apraxia, type 1: A nerve disorder which affects the motor nerves and results in movement problems which includes the eyes. Gait problems are usually the first symptom and this is followed by speaking difficulty, intention tremor and then eye movement problems.
• Ataxia Telangiectasia: A rare inherited childhood disorder involving progressive degeneration of the nervous system.
• Ataxia spastic congenital miosis: A rare, dominantly inherited disorder characterized mainly by ataxia, spasticity and small pupils that respond poorly to light.
• Ataxia tapetoretinal degeneration: Conditions involving incoordination and an eye anomaly.
• Ataxia with Vitamin E Deficiency: A rare disorder where a genetic disorder results in impaired vitamin E deficiency which in turn causes progressive neurological problems such as ataxia.
• Ataxia with fasciculations: A rare inherited disorder characterized by the association of a movement disorder called ataxia with muscle twitching (fasciculations) in the arms and legs.
• Ataxia, Hereditary, Autosomal Dominant: A group of rare, dominantly inherited neuromuscular disorder involving degeneration of the brain and spinal cord. The range, progression and severity of symptoms can vary quite considerably depending on the genetic defect involved.
• Ataxia, spastic with congenital miosis: A rare disorder characterized by movement problems of the limbs as well as an impaired pupil reaction to light (miosis).
• Ataxia, spastic, 3, autosomal recessive: A recessively inherited disorder characterized mainly by spasticity and ataxia.
• Ataxia-oculomotor apraxia syndrome: A nerve disorder which affects the motor nerves and results in movement problems which includes the eyes. Gait problems are usually the first symptom and this is followed by speaking difficulty, intention tremor and then eye movement problems.
• Ataxiophobia: An exaggerated or irrational fear of muscular incoordination (ataxia). This disorder is not to be confused with ataxophobia which is a fear of disorder or untidiness.
• Ataxophobia: An exaggerated or irrational fear of disorder or untidiness. This disorder is not to be confused with ataxiophobia which is a fear of muscular incoordination (ataxia).
• Atelophobia: An exaggerated or irrational fear of imperfection.
• Atelosteogenesis Type III: A very rare inherited skeletal ossification disorder. Unlike types I and II, survival past infancy is possible in type III.
• Atelosteogenesis, type 1: A rare genetic disorder characterized by bone formation abnormalities, short stature and early death.
• Atelosteogenesis, type 2: A very rare inherited skeletal disorder involving the bone and cartilage and resulting in various bone abnormalities.
• Atenolol - Teratogenic Agent: There is strong evidence to indicate that exposure to Atenolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Atephobia: An exaggerated or irrational fear of ruin.
• Athabaskan brainstem dysgenesis: A rare neurological disorder caused by abnormal brainstem development and function.
• Athabaskan severe combined immunodeficiency: A severe immunodeficiency disorder found in Navajo and Apache populations.
• Athelia: No nipples present.
• Atheroma: A region of plaque occurring in atherosclerosis
• Atherosclerosis: A condition which is a form of arteriosclerosis where atheromas are caused by the aggregation of cholesterol and lipids
• Atherosclerosis, premature - deafness - diabetes mellitus - photomyoclonus - nephropathy - degenerative neurologic disease: A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries.
• Atherosclerosis- deafness - diabetes - epilepsy - nephropathy: A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries.
• Athetosis: Involuntary, slow contraction particularly in the hands.
• Athyrotic hypothyroidism sequence: A rare congenital disorder characterized by a thyroid gland defect.
• Ativan overdose: Ativan is a prescription drug mainly used to treat anxiety. Excessive doses of the drug can result in various symptoms and even death in severe cases.
• Atkin-Flatiz syndrome: A rare, X-linked syndrome characterized mainly by mental retardation and facial anomalies.
• Atlantic Poison oak poisoning: Atlantic Poison oak is a tall shrub which has a distinctive leaf shape. It is often found growing in the wild. The leaves have small clumps of hairs on the underside. The plant contains a chemical called urushiol which can cause severe skin irritation in some people.
• Atlantic mussel food poisoning: Atlantic mussels contain a toxin called domoic acid which can affect nerve tissue. The mussels are found in the North Atlantic and Pacific coast and the Gulf of Mexico.
• Atlanto-Axial Fusion: A congenital anomaly where the first neck vertebrae is fused to the skull.
• Atonic seizure: Abnormal electrical activity in the brain which results in sudden loss of muscle tone. In mild cases, the head may simply drop down briefly but in more severe cases the person simply collapses to the floor. There is a high risk of injury in this type of seizure as the person collapses suddenly and can easily incur a head injury. The episode generally only lasts about 15 seconds. This form of seizure usually occurs with Lennox-Gastaut syndrome.
• Atopic asthma: Atopic asthma is one of the most common forms of asthma and is triggered by exposure to an allergen. Upon exposure to the allergen, the airways become constricted and inflamed which affects breathing. The severity of symptoms is variable. This form of asthma is more common in children than adults.
• Atopic dermatitis: Skin disorder characterized by chronic inflammation, and pruritis. Often hereditary and associated with allergic rhinitis and asthma.
• Atopic dermatitis 1: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 1 is linked to a defect on chromosome 3q21. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis 2: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 2 is linked to a defect on chromosome 1q21. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis 3: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 3 is linked to a defect on chromosome 20p. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis 4: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 4 is linked to a defect on chromosome 17q25.3. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis 5: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 5 is linked to a defect on chromosome 13q12-q14. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis 6: Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which means that a genetic anomaly may increase a person's susceptibility to developing the skin condition. Type 6 is linked to a defect on chromosome 5q31-q33. The genetic anomaly means that the patient is more susceptible to developing atopic dermatitis. The condition is often associated with hay fever and asthma.
• Atopic dermatitis related allergy refers to allergies that: Atopic dermatitis related allergy refers to allergies that are related to atopic dermatitis. These allergies are allergic rhinitis (hay fever) and asthma. Atopic dermatitis is a skin condition caused by an allergic reaction - it is often called eczema. A significant number of patients who have atopic dermatitis go on to develop asthma or hay fever.
• Atorvastatin - Teratogenic Agent: There is strong evidence to indicate that exposure to Atorvastatin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Atransferrinemia: A rare inherited condition characterized by the absence of a compound called transferring which results in a buildup of iron in the body's tissues as well as anemia.
• Atresia of urethra: A rare congenital malformation where the urethra ends blindly which makes it unuseable by the body to eliminate urine. This usually results in death unless surgical intervention provides alternative communication between the bladder and the amniotic sac. In rare cases, there is an abnormal opening between the bladder and the rectum which allow the urine to drain. The inability of the fluid to pass out of the body of the fetus results in a reduced amount of amniotic fluid which in turn affects the development of the lungs.
• Atrial cardiomyopathy with heart block: Atrial heart disease involving a disruption of the electrical signals in the heart and causes heart rhythm problems.
• Atrial fibrillation: A rhythm disturbance of the heart that results in irregular and chaotic ventricular contractions.
• Atrial fibrillation, familial 1: A dominantly inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases.
• Atrial myxoma, familial: An atrial myxoma benign tumor that develops in the wall that separates the two upper chambers of the heart. The familial form of the condition also involves tumors in other parts of the body such as the skin, both heart atria or the heart ventricles.
• Atrial septal defect 1: A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the defect with mild cases being asymptomatic until adulthood. Atrial septal defect 1 is caused by a mutation on chromosome 6p21.3.
• Atrial septal defect 2: A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the defect with mild cases being asymptomatic until adulthood. Atrial septal defect 2 is caused by a mutation on chromosome 8p23.1-p22.
• Atrial septal defect atrioventricular conduction: An inherited heart condition involving a heart malformation (atrial septal defect) and abnormal electrical signals between the atrium and ventricle of the heart (atrioventricular conduction defect).
• Atrial tachyarrhythmia with short pr interval: An inherited heart rhythm abnormality characterized by a short PR interval and atrial tachyarrhythmia.
• Atrichia with papular lesions: A rare syndrome characterized by the loss of hair soon after birth and the eventual development of a popular rash that covers all areas of skin.
• Atrioventricular septal defect: A congenital heart defect where the valves and walls between the upper and lower heart chambers (atrial and ventricular septa and the atrioventricular valves) don't develop properly. Symptoms are determined by the severity of the malformation.
• Atrophia aerata: A rare, inherited, slow progressing eye disease.
• Atrophic vaginitis: Type of vaginitis usually related to aging and menopause
• Atrophoderma of Pierini and Pasini: A progressive skin disease characterized by violet or brown skin lesions of varying sizes.
• Atrophoderma vermiculata: A rare disorder involving destruction of skin tissue that primarily affects the face and causes characteristic skin lesions.
• Atropine - Teratogenic Agent: There is strong evidence to indicate that exposure to Atropine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Attention Deficit Hyperactivity Disorder: Behavioral disorder with hyperactivity and/or inattention.
• Attention Deficit and Disruptive Behavior Disorders: A condition characterized by attention problems and disruptive behavior. The condition is considered to be a grouping of three other disorders - oppositional defiant disorder, conduct disorder and attention-deficit hyperactivity disorder.
• Attenuated congenital adrenal hyperplasia: A late onset form of congenital adrenal hyperplasia where insufficient adrenal corticosteroids are produced by the body due to the deficiency of a particular chemical. The severity of symptoms varies from person to person and onset may occur as early as childhood.
• Attenuated familial polyposis: A genetic condition characterized by the development of adenomatous polyps mainly in the colon and rectum. There may be hundreds or thousands of polyps and these polyps have a predisposition for becoming cancerous. The attenuated form of the condition is distinguished by the development of polyps in old age rather than during the first decades of life.
• Atypical coarctation of aorta: Coarctation of the aorta is a rare inherited birth defect where the heart blood vessel called the aorta has a narrowed area which affects blood flow. The degree of constriction is variable which mild cases asymptomatic until adulthood. The poor blood flow to the lower body gives results in it appearing less developed than that upper body. The atypical form of the condition involves the abdominal aorta, the ascending aorta or the descending thoracic aorta. The disease may be a congenital anomaly, caused by arteritis or associated with conditions such as Williams syndrome and neurofibromatosis.
• Atypical depression: AD is a subtype of dysthymia and Major Depression characterized by mood reactivity - being able to experience improved mood in response to positive events.
• Atypical hemolytic uremic syndrome: A rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause.
• Atypical lipodystrophy: A rare disorder involving the localized loss of fatty tissue. More than one location may be involved. The condition is mainly associated with injections or acupuncture.
• Atypical mole: Unusual looking moles which may have the potential to become cancerous.
• Atypical mole syndrome: A condition characterized by the development of numerous moles on the skin which may become cancerous and hence need careful monitoring.
• Atypical pyridoxine-dependent seizures: A form of epilepsy which responds to anticonvulsant therapy for only a period of time but are able to be managed by pyridoxine supplementation after a few months. Seizures may disappear for a few months even after pyridoxine supplementation is ceased.
• Auditory Diseases, Central: A disorder where a person is unable to understand, recognize or differentiate sounds despite the fact that hearing and intelligence are normal.
• Auditory neuropathy: A hearing disorder caused by impaired nerve signals from the inner part of the ear to the brain.
• Auditory perceptual disorder: A hearing disorder where the brain is unable to properly process or interpret auditory information it receives from the hearing organs.
• Auditory seizure: A type of seizure where abnormal electrical activity in a part of the brain that control the sense of hearing results in episodes of abnormal hearing symptoms.
• Aughton syndrome: A very rare syndrome characterized primarily by small eyes, cleft palate, mental retardation and dextrocardia (heart located on right side of chest instead of left).
• Aulophobia: An exaggerated or irrational fear of flutes.
• Aural atresia - multiple congenital anomalies - mental retardation: A rare syndrome characterized by a number of malformations as well as mental retardation.
• Auralcephalosyndactyly: A very rare syndrome characterized by ear abnormalities, premature fusion of skull bones and syndactyly (fusion of digits).
• Auranofin - Teratogenic Agent: Experimental studies on rabbits indicate that the use of Auranofin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Aureobasidium exposure: Aureobasidium is a type of fungus which is capable of causing a variety of diseases in humans. The fungus is most often found in damp places either inside the home or in the environment. It is often pinkish or blackish. It is a rare cause of disease and is more likely to occur in immunosuppressed patients. It can cause infection in just about any part of the body depending on the nature of the exposure (inhalation, wound, ingestion etc.) and as such the type and severity of symptoms can vary considerably.
• Aureobasidium pullulans exposure: Aureobasidium pullulans is a species of fungus which is capable of causing a variety of diseases in humans. The fungus is most often found in damp places either inside the home or in the environment. It is often pinkish or blackish. It is a rare cause of disease and is more likely to occur in immunosuppressed patients. It can cause infection in just about any part of the body depending on the nature of the exposure (inhalation, wound, ingestion etc.) and as such the type and severity of symptoms can vary considerably.
• Aureomycin - Teratogenic Agent: There is evidence to indicate that exposure to Aureomycin (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Auricular abnormalities - cleft lip with or without cleft palate - ocular abnormalities: A rare syndrome characterized by the association of external ear and eye abnormalities, cleft lip and sometimes a cleft palate.
• Auriculo-condylar syndrome: A rare syndrome characterized by variable ear and jaw abnormalities.
• Auriculoocular anomalies - cleft lip: A very rare syndrome characterized by the association of abnormal external ears and a cleft lip and sometimes a cleft palate. Only two cases of the condition has been reported.
• Auriculoosteodysplasia: A rare disorder characterized mainly by abnormal ears and multiple bone development anomalies.
• Aurophobia: An exaggerated or irrational dislike of gold.
• Auroraphobia: An exaggerated or irrational fear of Auroral lights.
• Ausems Wittebol-Post Hennekam syndrome: A very rare syndrome characterized by the association of a cleft lip with retinal problems.
• Australian Umbrella Tree poisoning: The Australian Umbrella tree is an evergreen shrub or tree which originated in Asia. The sap of the plant contains oxalate which can cause irritation symptoms. Skin contact with the sap from the plant can result in irritation and eating parts of the plant can cause symptoms. The plant is considered to have low toxicity if eaten and skin irritation tends to be minor.
• Austrian syndrome: A condition where alcoholism is associated with heart failure and pneumococcal meningitis.
• Autagonistophilia: Sexual arousal associated with being on stage.
• Autassassinophilia: Sexual arousal from planning one's own murder.
• Autism: Childhood mental condition with social and communication difficulties.
• Autism, X-linked, susceptibility to, 1: An inherited susceptibility to autism linked to a defect on chromosome Xq13 (NLGN3 gene).
• Autism, X-linked, susceptibility to, 2: An inherited susceptibility to autism linked to a defect on chromosome Xp22.33 (NLGN4 gene).
• Autism, X-linked, susceptibility to, 3: An inherited susceptibility to autism linked to a defect on chromosome Xq28 (MECP2 gene).
• Autism, susceptibility to, 1: An inherited susceptibility to autism linked to a defect on chromosome 7q22.
• Autism, susceptibility to, 10: An inherited susceptibility to autism linked to a defect on chromosome 7q36.
• Autism, susceptibility to, 11: An inherited susceptibility to autism linked to a defect on chromosome 1q24.
• Autism, susceptibility to, 12: An inherited susceptibility to autism linked to a defect on chromosome 21p13-q11.
• Autism, susceptibility to, 13: An inherited susceptibility to autism linked to a defect on chromosome 12q14.
• Autism, susceptibility to, 14: An inherited susceptibility to autism linked to a defect on chromosome 16p11.2.
• Autism, susceptibility to, 3: An inherited susceptibility to autism linked to a defect on chromosome 13q14.
• Autism, susceptibility to, 4: An inherited susceptibility to autism linked to a defect on chromosome 15q11.
• Autism, susceptibility to, 5: An inherited susceptibility to autism linked to a defect on chromosome 2q.
• Autism, susceptibility to, 6: An inherited susceptibility to autism linked to a defect on chromosome 17q11.
• Autism, susceptibility to, 7: An inherited susceptibility to autism linked to a defect on chromosome 17q21.
• Autism, susceptibility to, 8: An inherited susceptibility to autism linked to a defect on chromosome 3q25-q27.
• Autism, susceptibility to, 9: An inherited susceptibility to autism linked to a defect on chromosome 7q31.
• Autogynephilia: A male's sexual arousal upon imagining himself as a female.
• Autoimmune Atherosclerosis: The formation of atherosclerosis through an autoimmune process
• Autoimmune Diseases of the Nervous System: A group of diseases where the body's immune system attacks it's own nervous system. Examples includes opsoclonus myoclonus syndrome, Guillain-Barre syndrome and multiple sclerosis. Symptoms vary depending on which nerves are involved.
• Autoimmune Hemolytic Anemia: Autoimmune hemolytic anemia is characterized by an abnormal immune system response which leads to the destruction of red blood cells and hence anemia. The severity of the condition varies depending on the underlying cause e.g. cytomegalovirus, hepatitis, HIV and lupus. The condition may develop gradually or occur suddenly and cause serious symptoms.
• Autoimmune Hemophilia: Hemophilia caused by an autoimmune reaction
• Autoimmune Hepatitis: Liver inflammation caused due to autoimmune processes where the body's immune system attacks the liver.
• Autoimmune Interstitial Cystitis: Interstitial cystitis caused by an autoimmune reaction
• Autoimmune Lymphoproliferative Syndrome: An inherited autoimmune condition characterized by proliferation of lymphocytes and autoimmunity against the body's own blood cells resulting in premature death of certain blood cells.
• Autoimmune Myelopathy: A disturbance functionally or pathological change in the spinal cord
• Autoimmune Myocarditis: Inflammation of the heart muscle due to the body's own immune system attacking it.
• Autoimmune Thrombocytopenia: Autoimmune disorder causing a lack of blood platelets.
• Autoimmune Urticaria: An itchy rash caused by an autoimmune reaction
• Autoimmune Vasculitis: A inflammation of the blood vessels caused by an autoimmune reaction
• Autoimmune disorders - Teratogenic Agent: There is strong evidence to indicate that the development of autoimmune disorders during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage of pregnancy that the exposure occurred at.
• Autoimmune enteropathy: A very rare condition that occurs when the body's own immune system attacks the intestinal wall and affect the way it absorbs food.
• Autoimmune inner ear disease: A rare disorder where the body's own immune system attacks the inner ear.
• Autoimmune limbic encephalitis: Limbic encephalitis is an inflammation of the limbic system which is the part of the brain responsible for basic autonomic functions. In the paraneoplastic type, the inflammation is caused by autoimmune processes.
• Autoimmune neuropathies: Nerve diseases from autoimmune damage.
• Autoimmune oophoritis: An autoimmune condition where the body's own immune system attacks the ovaries and causes them to become inflamed. It can lead to ovarian function stopping prematurely.
• Autoimmune orchitis: A inflammation of the testicles caused by an autoimmune reaction
• Autoimmune peripheral neuropathy: Damage to peripheral nerves that occurs when the body's own immune system attacks it.
• Autoimmune polyendocrinopathy syndrome, type 1: A very rare autoimmune disorder characterized by autoimmune polyendocrinopathy (APE), candidiasis (C) and ectodermal dysplasia (ED).
• Autoimmune progesterone dermatitis: A skin rash that appears to be a result of the body's immune reaction to progesterone. As progesterone production is linked to menstrual cycles, the rash occurs usually in the week before menstruation until a few days after menstruation starts.
• Autoimmune thyroid disease associated Celiac Disease: Patients with autoimmune thyroid disease are more susceptible to developing celiac disease than the average population. Celiac disease is an autoimmune disorder characterized by intolerance to gluten by the small intestine. The type and severity of symptoms varies amongst people - some people have severe gastrointestinal symptoms from infancy whereas other have no symptoms other than fatigue or anemia during adulthood.
• Autoimmune uveitis: Autoimmune inflammation of the eye's uvea.
• Automobile accidents injury: An injury caused by the mechanism of a car accident
• Automysophobia: An exaggerated or irrational fear of being dirty.
• Autonepiophilia: Sexual arousal from wearing nappies.
• Autonomic Dysreflexia: A complication of spinal cord injury where a particular stimulus can trigger an excessive response from the autonomic nervous system which causes blood pressure to rise - sometimes to dangerous levels. Stimuli that can trigger the response include bladder irritation, bowel irritation (e.g. due to constipation, gas, enema), skin irritation (e.g. due to burns, pressure sores, ingrown toenails), broken bones, tight clothing, labour and temperature extremes. The severity and frequency of the condition is highly variable. The condition occurs in patients with tetraplegia or with loss of sensation above the lower rib cage.
• Autonomic dysreflexia syndrome: A complication caused by injury to the neck or upper back region of the spinal cord. Symptoms are induced by stimulation below the level of the injury which can be caused by such things as distended bladder, scratching the feet, squeezing the penis, stimulation of the rectum or accumulation of gas.
• Autonomic nerve disorders: A disorder of the nervous system concerned with regulation of activity of cardiac muscle, smooth muscle, and glands, usually restricted to the sympathetic and parasympathetic systems
• Autonomic nerve symptoms: Symptoms affecting the autonomic nervous system
• Autonomic neuropathy: A condition which is characterized by a functional disturbance or pathological change in the autonomic nervous system
• Autonomic seizure: A seizure which has resulted from a functional disturbance or pathological change in the autonomic nervous system
• Autophobia: An exaggerated or irrational fear of being egotistical or being by oneself.
• Autosomal Dominant Charcot-Marie-Tooth with hearing loss: A dominantly inherited form of Charcot-Marie-Tooth disease which also involves hearing loss. Charcot-Marie-Tooth disease is a progressive nerve disease that affects the peripheral nerves and hence the muscles primarily in the limbs.
• Autosomal Recessive Polycystic Kidney Disease: Severe form of PKD, a genetic kidney disease.
• Autosomal Recessive Tetra-Amelia: A rare disorder characterized by the absence of all four extremities as well as skeletal, nervous system, craniofacial and other abnormalities. The condition is causes death before or soon after birth.
• Autosomal dominant nocturnal frontal lobe epilepsy: A rare inherited form of epilepsy characterized by seizures during the night. The seizures tend to be brief (usually less than a minute) and violent and tend to occur in clusters. Patients are usually aware during the seizure.
• Autosomal recessive nonsyndromic congenital nuclear cataract: A rare recessively inherited type of congenital cataract that is not associated with any other abnormality.
• Autumn crocus poisoning: The Autumn crocus is a perennial herb which bears purplish-pink flowers. The plant is often used as an ornamental indoor or outdoor plant. The plant contains a chemical called colchicine which can be very poisonous if eaten. The plant is considered to be very toxic if eaten. Boiling the leaves before eating them appears to increase their toxicity. Most cases of poisoning are through accidental ingestion. The plant is sometimes mistaken for wild garlic.
• Avascular necrosis: Bone death from lack of circulation.
• Avascular necrosis of femoral head, familial form: A familial hip joint disorder where bone growth abnormalities caused by an interrupted blood supply to the head of the femoral bone results in it's degeneration and deformity. When the body creates a new blood supply, new healthy bone can be formed.
• Avasthey syndrome: A very rare syndrome characterized by pulmonary hypertension, lymphedema and malformation of brain blood vessels.
• Avellis's syndrome: Damage to a part of the brain stem (nucleus ambiguous) which affects signals being sent to the vagus nerve which controls the pharynx and larynx. Paralysis occurs on one side of the palate and vocal cord and loss of sensation in the other side of the body. The damage may be due to such things as trauma, cancer or toxicity.
• Avitaminosis: A group of diseases caused by the deficiency of one or more vitamins e.g. Beriberi (thiamine deficiency), rickets (Vitamin D deficiency), pellagra (niacin deficiency), pernicious anemia (Vitamin B12), bleeding (vitamin K deficiency) and night blindness (avitaminosis A). Symptoms depend on the type and degree of vitamin deficiency. Lack of various vitamins can affect just about every part of the body including the nervous system.
• Avoidant personality disorder: Personality type that avoids other people
• Axenfeld-Rieger anomaly - hydrocephaly - skeletal abnormalities: A rare syndrome characterized mainly by skeletal abnormalities, excess fluid inside the skull and eye anomalies.
• Axenfeld-Rieger anomaly with cardiac defects and sensorineural hearing loss: A rare syndrome characterized mainly by heart defects, hearing impairment and a congenital eye disorder called Axenfeld-Rieger anomaly.
• Axenfeld-Rieger syndrome: A rare genetic disorder characterized by underdeveloped or absent teeth and craniofacial and eye abnormalities. The range of symptoms that can occur is somewhat variable.
• Axenfeld-Schürenberg syndrome: A congenital disorder where paralysis of the third cranial nerve controlling eye movement results in periods of eye paralysis alternating with periods of eye spasms.
• Axial mesodermal dysplasia spectrum: A variable range of defects that occur during fetal development. The defect occurs at a cellular level and affects the way various parts of the body develop.
• Axial osteomalacia: A rare bone disorder where an enzyme defect affects bone formation that primarily affects the ribs and iliac crest (hip bone).
• Axial osteosclerosis: A rare bone abnormality involving patches of increased bone density which tend to occur in the spine, pelvis and the ball part of the hip joint.
• Ayazi syndrome: A very rare syndrome characterized by choroideremia (a degenerative disease of the retina), deafness and obesity.
• Azalea poisoning: Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, cereals, vegetables and milk.
• Azarcon-induced lead poisoning: Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Azatadine - Teratogenic Agent: There is strong evidence to indicate that exposure to Azatadine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Azathioprine - Teratogenic Agent: There is strong evidence to indicate that exposure to Azathioprine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Azithromycin - Teratogenic Agent: There is strong evidence to indicate that exposure to Azithromycin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Azotemia, famial: A rare condition where high serum urea level is inherited in a familial pattern. The high level of urea occurs despite normal kidney function.
• B-cell chronic lymphocytic leukemia: A slow progressing disease involving cancerous B-cell lymphocytes which take over the healthy cells in the lymph nodes. B-cells help the body to fight infections so when the disease becomes more advanced, the body is less able to fight infection as there are fewer healthy, functioning B-cells.
• B-cell lymphomas: A group cancers involving the proliferation of lymphocytic B-cells. Examples include small lymphocytic lymphoma, immunoblastic lymphoma and lymphoblastic lymphoma.
• B-cell prolymphocytic leukaemia: A rare type of leukemia involving a proliferation of immature white blood cells (prolymphocytes - B-cells).
• BANF acoustic neurinoma: A type of tumor that affects hearing and is associated with a condition called BANF (bilateral acoustic neurofibromatosis). The tumor is benign an occurs in the cells that form the myelin sheath of the vestibulocochlear nerve. The symptoms vary depending on the size and exact location of the nerve. The tumor may become large enough to compress against various cranial nerves or even the brainstem.
• BBB syndrome, X-linked: A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autosomal dominant manner. Females with type I tend to have few if any symptoms - often the only symptom is wide-set eyes.
• BD40A - Teratogenic Agent: Experimental studies on rats indicate that the use of BD40A during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• BEEC: A rare syndrome characterized by a birth defect where the bladder is inside out and protrudes from the lower abdominal wall. The urethra and genitals are also abnormally formed. The degree of malformation is variable.
• BES: A harmless condition involving the slow progressing bulging of one eye.
• BIDS syndrome: A rare inherited condition characterized by brittle hair (B), mental and physical impairment (I), decreased fertility (D) and short stature (S).
• BK virus infection: A type of polyomavirus that infects most people but generally causes no symptoms. However, that virus may be reactivated when a patient receives immunosuppressive therapy following an organ transplant.
• BOD syndrome: A very rare syndrome characterized primarily by small nails, digital abnormalities (mainly of the fifth finger and toe) and various facial anomalies.
• BOMT - Teratogenic Agent: Experimental studies on rats indicate that the use of BOMT during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• BOR syndrome: A rare genetic disorder characterized by hearing loss, kidney malformations and branchial arch anomalies. There are two subtypes with different genetic defect origins.
• BOR-Duane hydrocephalus contiguous gene syndrome: A very rare syndrome characterized primarily by an eye movement disorder (Duane syndrome), abnormal trapezius muscle (runs from neck to shoulder), hydrocephalus and BOR syndrome (branchio-oto-renal syndrome with branchial, eye and kidney abnormalities).
• BRL 16644, 16657 - Teratogenic Agent: Experimental studies or reports indicate that the use of BRL 16644, 16657 during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• BXO: Skin condition of the penis which can effect the glans, prepuce or urethra.
• Ba Bow Sen-induced lead poisoning: Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Baber's syndrome: A very rare syndrome characterized by the association of congenital liver cirrhosis with Fanconi syndrome.
• Babesiosis: A protozoal infection which is transmitted to human via the bite of certain ticks.
• Babinski-Froelich Syndrome: A rare condition where an endocrine abnormality (caused by such things as a pituitary tumor or damage to the hypothalamus) affects hormone levels which results in a variety of symptoms.
• Babinski-Nageotte syndrome: A rare disorder caused by damage to a part of the brain (medullobulbar transitional area) which causes a variety of neurological symptoms, some of which affect only one side of the body.
• Baboon syndrome: A allergic skin condition which results in redness of the buttocks, upper inner thighs and armpits. The condition can occur as a hypersensitivity reaction to ampicillin, nickel and mercury.
• Baby bottle nipples induced allergies: Baby bottle nipples induced allergies are an adverse reaction by the body's immune system to the latex in Baby bottle nipples . Symptoms usually involve the mouth.
• Baby rattle pelvic dysplasia: A lethal bone development disorder.
• Baby's breath poisoning: Baby's breath is a perennial plant which bears many small pink or white flowers. The plant originated in Europe. Skin contact with the plant can cause minor skin irritation but the plant can also cause eye, nose and respiratory system irritation.
• Bacampicillin Hydrochloride - fetal exposure: Experimental studies on rats and rabbits indicate that the use of Bacampicillin Hydrochloride during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bacillaceae Infections: Infection with bacteria from the Bacillaceae family. Bacillaceae infection can cause a variety of diseases depending on the specific bacteria involved e.g. anthrax, tetanus, botulism.
• Bacillophobia: An exaggerated or irrational fear of missiles.
• Bacillus cereus type I food poisoning: Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, cereals, vegetables and milk.
• Bacillus cereus type II food poisoning: Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, cereals, vegetables and milk.
• Back injuries: A term usually used to describe any musculoskeletal back injury - a common workplace occurrence.
• Back pain: Pain in the back region.
• Back sprain: Damage to ligaments in the back.
• Back tumour: The presence of tumour growth in the vertebra, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary metastases from another site e.g. lung or breast.
• Baclofen - Teratogenic Agent: There is strong evidence to indicate that exposure to Baclofen during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bacteremia: A condition where bacteria is present in the blood.
• Bacterial appendicitis: Appendicitis is inflammation of the inner lining of the vermiform appendix that spreads to its other parts. Appendicitis may occur for several reasons, such as an infection of the appendix, but the most important step is the obstruction of the appendiceal lumen.
• Bacterial endocarditis: Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria.
• Bacterial meningitis: Bacterial meningitis is a form of meningitis caused by bacteria that normally lives in the mouth and throat. When the immune system is unable to supress this bacteria, it travels to the cerebrospinal spinal fluid in the brain. From there it affects the membranes surrounding the brain.
• Bacterial pericarditis: Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) due to a bacterial infection. It can occur as a complication of a bacterial infection in some other part of the body. It is most often a complication of a respiratory infection but skin and oral infections may also be a cause. Bacterial pericarditis may also occur after heart surgery. It occurs predominantly in males aged 20 to 50 years. The condition may be misdiagnosed as a heart attack and vice versa.
• Bacterial prostatitis: Bacterial prostatitis is a bacterial inflammation of the prostate gland, in men.
• Bacterial toxic-shock syndrome: A very rare, potentially fatal infection caused by toxins produced by bacteria, especially bacteria such as Staphylococcus aureus or Streptococcus pyogenes. The condition is often associated with tampon use but can originate from other sources.
• Bacterial toxins - fetal exposure: Experimental studies on mice indicate that the use of Bacterial toxins during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bacteriophobia: An exaggerated or irrational fear of bacteria.
• Bacteriuria: Presence of bacteria in the urine.
• Baerensprung disease: Circular itchy patches that occur on the thighs as a result of fungal infection.
• Baetz-Greenwalt syndrome: A rare condition where an infant is born with an underdeveloped right side of the heart which prevents the heart from pumping blood efficiently to the lungs.
• Bagassosis: Inhalation of sugarcane dust particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the sugarcane dust particles. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such as weight loss and eventually lung scarring and possibly even respiratory failure in severe cases. Acute exposure results in symptoms such as fever, chills, shortness of breath and body aches.
• Bagassosis - Thermoactinomyces sacchari: Inhalation of sugarcane dust particles contaminated with fungus (Thermoactinomyces sacchari) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the contaminated sugarcane dust particles. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such as weight loss and eventually lung scarring and possibly even respiratory failure in severe cases. Acute exposure results in symptoms such as fever, chills, shortness of breath and body aches.
• Bagatelle-Cassidy syndrome: An extremely rare syndrome characterized by a large head, widely spaced eyes, hearing loss, short limbs and developmental delay.
• Bahemuka Brown syndrome: A very rare syndrome characterized by spastic paraplegia and skin pigmentation irregularities.
• Baker-Vinters syndrome: A very rare syndrome characterized by premature fusion of skull bones, hydrocephalus and abnormal development of the channel or duct in the middle of the brain that connects the third and fourth ventricles.
• Baker-Winegrad disease: A very rare syndrome caused by a deficiency of the enzyme fructose-1-6-diphosphatase which impairs the body's ability to break down fructose that is consumed in the diet.
• Balantidiasis: Intestinal infection with a parasitic protozoa (Balantidium coli) resulting in intestinal inflammation. It is usually transmitted through direct or indirect contact with pig fecal matter.
• Bald soprano syndrome: The inability to recognize a familiar face. Some people are able to recognize their own face. It is thought to be caused by a brain abnormality.
• Bali goli-induced lead poisoning: Bali goli (flat black bean) is a folk remedy used mainly by Indian and Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Balint's syndrome: A condition involving a variety of visual symptoms such as optic ataxia, agnosia and nystagmus.
• Ballantyne's triad: The association of fetal hydrops, maternal edema and an enlarged placenta.
• Ballantyne-Runge syndrome: A pregnancy that goes over the normal gestation term of 42 weeks. The greatest problem with prolonged gestation is the fact that the placenta may shrink and be unable to supply the fetus with sufficient oxygen and nutrients. In extreme cases, the fetus may lose weight or suffer problems from chronic oxygen shortage.
• Ballard syndrome: A rare condition characterized by enlarged liver and spleen and fractures that occur in areas of weakened bone.
• Baller-Gerold Syndrome: A rare syndrome characterized by premature fusion of skull bones and radial defects. Variable other abnormalities may be present.
• Balloon cell metastatic melanoma: Balloon cell melanoma, a variant of malignant melanoma, has been reported on rare occasions in animals and is uncommon in man. Such tumours have variable numbers of large, round to polygonal cells with abundant, clear, often vacuolated cytoplasm containing fine melanin granules and variable amounts of lipid.
• Balo disease: A rare neurological disorder where the protective sheath around brain nerve fibres are progressively destroyed. Symptoms are determined by the size and location of the affected brain area.
• Balo's concentric sclerosis: Demyelination of the brain producing a variety of symptoms depending on the area of the brain affected.
• Balofloxacin - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Balofloxacin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Baltic myoclonic epilepsy: A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli such as light, stress or exercise.
• Baltimore dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Baltimore type was discovered in Baltimore.
• Baló disease: A very rare, rapidly progressive form of multiple sclerosis (inflammatory disease of the brain and spinal cord). The type, severity and rate of progression of symptoms depends on the area of the brain affected.
• Bamberger albuminuria (obsolete term): High albumin levels in the urine that occurs in the advanced stages of severe anemia.
• Bamboo hair: A defect in the hair shaft. The hair shafts have nodules which are weak points at which the hair can break off easily. This results in the hair having a poor, damaged overall look. The anomaly is associated with conditions such as hypothyroidism or Netherton's syndrome.
• Bamboo hair syndrome: A rare inherited condition characterized by abnormally formed hair shafts and a skin condition involving scaling and redness of the skin. Patients are also predisposed to developing allergic conditions such as asthma and eczema and food allergies. The severity of the condition can vary with some infants having a poor prognosis due to severe allergies, infections and skin problems whereas others have milder symptoms and fewer allergic manifestations.
• Bamforth syndrome: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
• Baneberry poisoning: Baneberries are toxic and can cause a skin reaction on contact or various poisoning symptoms.
• Bangstad syndrome: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
• Banki syndrome: A rare disorder characterized by abnormal curvature of fingers, thin middle sections of long bones, fusion of certain wrist bones (lunate and cuneiform bones) and other hand abnormalities.
• Bannayan-Zonana syndrome: A rare genetic disorder characterized by macrocephaly, intestinal polyposis, pigmentation of penis and benign tumor-like growths.
• Bannwarth's triad: The association of lymphocytic meningitis, cranial nerve palsy and radiculoneuritis.
• Banti's syndrome: A chronic, progressive condition marked by enlargement of the spleen which is associated with anemia, splenomegaly, ascites, jaundice, leucopenia, thrombocytopenia and gastrointestinal bleeding.
• Bantu siderosis: An iron overload disorder initially observed in South African people. The disorder involves abnormal iron deposits in the liver. It is believed that some African people are predisposed to an increased ability to absorb iron.
• Bar's syndrome: A rare type of bacterial infection that tends to occur in pregnant women. It manifests as pain in the gallbladder, ureter or appendix area as well as fever and bacteria in the urine.
• Baraitser Brett Piesowicz syndrome: A very rare syndrome characterized by a small head and calcification in the brain.
• Baraitser burn fixen syndrome: A rare syndrome characterized mainly by skeletal abnormalities, a skin disorder and an expressionless face.
• Baraitser-Rodeck-Garner syndrome: A very rare syndrome characterized primarily by mental retardation, premature fusion of skull bones, kidney anomalies, seizures and facial anomalies.
• Baraitser-Winter syndrome: A rare syndrome characterized by a structural eye defect, droopy eyelids and mental retardation.
• Barakat syndrome: A rare condition characterized by deafness, kidney disease and insufficiency parathyroid hormone production.
• Barber-Say syndrome: A very rare syndrome characterized primarily by excessive hair growth, skin anomaly, large mouth and outward turned eyelids (ectropion).
• Barbiturate abuse: Abuse of barbiturate medications
• Bard-Pic syndrome: A complication of advanced pancreatic cancer marked by jaundice and enlarged gallbladder.
• Bardet-Biedl Syndrome: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities.
• Bardet-Biedl syndrome, type 1: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 1 is caused by a defect in chromosome 11q13.
• Bardet-Biedl syndrome, type 10: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 10 is caused by a defect in chromosome 12q.
• Bardet-Biedl syndrome, type 11: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 11 is caused by a defect in chromosome 9q33.1.
• Bardet-Biedl syndrome, type 12: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 12 is caused by a defect in chromosome 4q27.
• Bardet-Biedl syndrome, type 2: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 2 is caused by a defect in chromosome 16q21.
• Bardet-Biedl syndrome, type 3: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 3 is caused by a defect in chromosome 3p12-q13.
• Bardet-Biedl syndrome, type 4: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 4 is caused by a defect in chromosome 15q22.3.
• Bardet-Biedl syndrome, type 5: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 5 is caused by a defect in chromosome 2q31.
• Bardet-Biedl syndrome, type 6: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 6 is caused by a defect in chromosome 20p12.
• Bardet-Biedl syndrome, type 7: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 7 is caused by a defect in chromosome 4q27.
• Bardet-Biedl syndrome, type 8: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 8 is caused by a defect in chromosome 14q32.11.
• Bardet-Biedl syndrome, type 9: A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 9 is caused by a defect in chromosome 7p14.
• Bare lymphocyte syndrome: An inherited immunodeficiency disorder characterized by T- and B-cell dysfunction (these cells are essential for helping fight infection). Lack of treatment can result in infant death from infection.
• Baritosis: A lung condition caused by breathing in barium dust or barium containing compounds. It is generally a benign condition that doesn't cause symptoms other than irritation.
• Barium - Teratogenic Agent: Experimental studies on chickens indicate that the use of Bamifylline during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Barley Worker's disease - Aspergillus spp.: Inhalation of barley particles contaminated with fungus (Aspergillus spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the fungus in the airborne barley particles. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such as weight loss and eventually lung scarring and possibly even respiratory failure in severe cases. Acute exposure results in symptoms such as fever, chills, shortness of breath and body aches.
• Barnicoat-Baraitser syndrome: A rare syndrome characterized mainly by extra digits and excessive growth resulting in an increased birth weight and size.
• Barophobia: An exaggerated or irrational fear of gravity.
• Barotrauma: Damage to the lungs, ear or sinuses caused by rapid or extreme changes in air pressure.
• Barraquer-Simons syndrome: A rare disorder that occurs in children and involves the progressive loss of fat layers under the skin which affects the face first and then spreads to the chest region and limbs.
• Barre-Lieou syndrome: A rare condition where trauma (such as pinching by adjacent vertebrae or arthritis) to the sympathetic nerves located in the spinal area of the neck results in a variety of neurological symptoms.
• Barrett syndrome: A chronic peptic ulcer of the esophagus.
• Barrett's oesophagus: Barrett's esophagus is a disorder in which the lining of the esophagus is damaged. The damage is caused by stomach acid that leaks back into the esophagus. This leakage of acid is commonly known as "heartburn" (gastroesophageal reflux).
• Barrow-Fitzsimmons Syndrome: A rare (only one reported case) inherited condition characterized by short limbs, an unusual facial appearance and congenital heart disease.
• Barsony-Polgar syndrome 1: Nerve pain associated with the hip. Pregnancy and physical activity can make symptoms worse.
• Bartenwerfer syndrome: A rare disorder characterized by dwarfism and facial and skeletal abnormalities. The disorder is a variant of Morquio disease.
• Barth Syndrome: A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 2 is characterized by its affects on the heart.
• Bartholin's cyst: Cyst in a small vaginal gland
• Bartonella infections: Infection with bacteria from the Bartonella genus of bacteria. Specific bacteria from within this group are Bartonella bacilliforms (Oroya fever), Bartonella Heneslae (Cat-scratch disease). Other conditions caused by this bacteria are endocarditis, bacteremia and angiomatosis. Symptoms vary depending on the type of bacteria involved and the severity of the infection - immunocompromised patients face greater risk of severe infection.
• Bartonellosis: An infection by Bartonella bacilliformis which is transmitted through sandfly bites. Symptoms include fever, severe anemia, bone pain and skin lesions. Also called Carrion's disease, Oroya fever or verruga peruana.
• Bartonellosis due to Bartonella quintana infection: A disease caused by infection with Bartonella quintana which are transmitted by the body louse. It causes trench fever but may also result in septicemia and endocarditis in patients with a weakened immune system.
• Bartschi-Rochaix syndrome: A range of symptoms caused by compression of the cerebral artery.
• Bartsocas Papa syndrome: A rare condition characterized by webbing of skin as well as various other physical and mental abnormalities.
• Bartter Syndrome: A rare genetic disorder of kidney metabolism characterized by reduced blood acidity and low potassium levels.
• Bartter's syndrome, antenatal type 1: A rare genetic kidney disorder that causes hypokalemia. A defect in the NKCC2 gene impairs the functioning of the Na-Cl cotransporter and leads to electrolyte imbalance. The rate of death is high prior to diagnosis.
• Bartter's syndrome, type 3: A rare condition characterized by an electrolyte imbalance caused by mutations of the chloride channel gene (ClCNKb). It differs from Bartter's syndrome type I and type II in the absence of nephrocalcinosis. The severity of the condition is greatly variable.
• Bartters syndrome, antenatal , type 2: A rare genetic kidney disorder that causes hypokalemia. A defect in the ROMK gene impairs the ATP-regulated potassium channel functioning and leads to electrolyte imbalance.
• Basal Ganglia Disease, Adult-Onset: A rare disorder where a genetic mutation results in a neurological disease resulting from abnormal iron and ferritin deposits in the brain.
• Basal cell carcinoma: Basal cell carcinoma is a slow-growing form of skin cancer.
• Basal cell carcinoma, infundibulocystic: A variant form of skin cancer.
• Basal cell carcinoma, multiple: A slow growing type of skin cancer that occurs in multiples. The cancer tends to remain localized but occasionally spreads to nearby tissues. The cancer may flat, slightly raised or nodular. The lesion may vary in color - white, pink, brown, flesh-colored, pearly or waxy.
• Basal cell carcinomas with milia and coarse, sparse hair: A rare disorder characterized mainly by skin cancer, milia and coarse, sparse hair. The milia tend to disappear without treatment by adolescence.
• Basal cell nevus anodontia abnormal bone mineralization: A rare syndrome characterized mainly by the association of basal cell nevus, absence of all teeth on one side of the mouth and abnormal bone mineralization.
• Basal ganglia calcification, idiopathic 1: Abnormal calcium deposits in the part of the brain called the basal ganglia. Type 1 results in psychiatric, cognitive or neurological problems associated with the calcification. The symptoms experienced are variable.
• Basal ganglia calcification, idiopathic 2: Abnormal calcium deposits in the part of the brain called the basal ganglia. The calcification is not associated with any other condition and occurs for no apparent reason. In type 2, there are no psychiatric, cognitive or neurological problems associated with the calcification.
• Basal ganglia disease, biotin-responsive: A neurological disease that affects the part of the brain called the basal ganglia. The disease responds well to biotin administration but relapses within a month if the biotin is stopped. If the condition is diagnosed late or there are recurring episodes, the patient may suffer ongoing symptoms such as paraparesis, mild mental retardation or dystonia.
• Basan syndrome: A rare condition characterized by skin, hair and nail abnormalities.
• Basaran-Yilmaz syndrome: A very rare syndrome characterized by reduced body hair, thickened skin on various parts of the body and the presence of white nails at birth.
• Basedow's coma: A coma that occurs prior to death from severe hyperthyroidism.
• Basilar Migraine: Variant form of migraine headache seen mainly in teenage girls, giving complex neurological symptoms prior to onset and during the migraine
• Basilar artery insufficiency syndrome: A range of symptoms caused by impaired blood flow through the basilar artery. The symptoms may come and go according to variation in blood flow through the basilar artery. The blood flow may be impaired by such things as thrombosis, narrowed artery and blood vessel spasms. Symptoms vary depending on the exact location and extent of the artery involvement as well as whether the onset is gradual or sudden.
• Basilar artery migraine: Basilar migraine (BM), also known as Bickerstaff syndrome, consists of headache accompanied by dizziness, ataxia, tinnitus, decreased hearing, nausea and vomiting, dysarthria, diplopia, loss of balance, bilateral paresthesias or paresis, altered consciousness, syncope, and sometimes loss of consciousness.
• Basilar impression primary: A congenital bone abnormality where the skull and vertebrae meet which can compress some of the brain structures and result in neurological abnormalities. The defect is often associated with other vertebral abnormalities. In severe cases, the cerebrospinal fluid flow may be obstructed which can cause fluid to build up inside the skull (hydrocephalus).
• Basisquamous basal cell carcinoma: A form of skin cancer which arises from two types of skin cells (squamous and basal cells). The cancer tends to grow faster than other basal cell carcinomas which grow slowly over a period of months or years. This cancer also has the potential to metastasize. Basisquamous basal cell carcinomas generally occur on the parts of the skin that tend to have the most sun exposure e.g. face, shoulders, back, neck and scalp.
• Bassoe syndrome: A very rare syndrome characterized primarily by hypogonadism, cataracts during infancy and muscle weakness.
• Bathmophobia: An exaggerated or irrational fear of walking.
• Bathophobia: An exaggerated or irrational fear of depths. This can include a fear of lakes or long hallways.
• Batophobia: An exaggerated or irrational fear of passing high buildings.
• Batrachophobia: An exaggerated or irrational fear of frogs or toads.
• Batroxobin - fetal exposure: Experimental studies on beagle dogs and rats indicate that the use of Batroxobin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Battaglia Neri syndrome: A very rare syndrome characterized by mental retardation, small head, epilepsy, coarse facial features and skeletal anomalies. Only two reported cases of this syndrome.
• Batten Disease: Rare childhood genetic degenerative nerve system disease.
• Batten-Turner muscular dystrophy: A benign form of congenital muscular dystrophy involving relatively minor muscle wasting. The condition progresses slowly until adulthood.
• Battered spouse syndrome: The physical or emotional abuse of one partner in a relationship against the other partner.
• Baughman syndrome: A rare syndrome characterized mainly by fused eyelids, curly hair and abnormal nails.
• Baycol - Teratogenic Agent: There is evidence to indicate that exposure to Baycol (a statin medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bazex-Dupre-Christol syndrome: A very rare syndrome characterized by decreased hair growth, basal cell cancers and destruction of skin follicles which tends to affect the extremities, elbows and knees.
• Bazopoulou-Kyrkanidou syndrome: A very rare syndrome characterized primarily by skull, facial and skeletal and gum abnormalities.
• Bd syndrome: A very rare syndrome characterized mainly by the association of mental retardation, small eyes and a movement disorder.
• Beals syndrome: A rare genetic connective tissue disorder characterized by joint contractures, arachnodactyly and a crumpled appearing ear.
• Beardwell syndrome: A very rare syndrome characterized primarily by abnormal calcium deposits along the vertebrae as well as the development of calluses on the palms and soles.
• Beare-Stevenson cutis gyrata syndrome: A rare genetic disorder involving skin and skull abnormalities due to the premature fusion of skull bones.
• Bearn-Kunkel syndrome: A type of autoimmune liver disease characterized by liver damage, very high blood gammaglobulin levels and increased plasma cells.
• Bearsfoot hellebore poisoning: The Bearsfoot hellebore is a relatively small, flowering evergreen plant which originated in Europe. All parts of the plant contain protoanemonin which can be toxic if large quantities are consumed.
• Beck's triad: Symptoms caused by compression of the heart.
• Becker disease: A rare inherited neuromuscular disorder characterized by muscle stiffness when movement is initiated and difficulty relaxing muscles after movement had occurred. Becker disease is a recessively inherited form of myotonia congenita and usually occurs later in childhood than the dominantly inherited form and muscle stiffness is usually more severe.
• Becker nevus syndrome: A rare disorder characterized by a pigmented hairy skin patch associated with skin, muscle or bone defects on the same side of the body as the skin lesion.
• Becker's muscular dystrophy (BMD): A slowly progressing muscle wasting disease that affects mainly the hip and shoulder muscles.
• Becker's nevus: A rare skin disorder where an irregular pigmented patch on the skin slowly grows and becomes thick and hairy.
• Beckwith-Wiedemann Syndrome: An inherited disorder marked by gigantism, exomphalos and macroglossia. Also called EMG syndrome and exophthalmos-macroglossia-gigantism syndrome.
• Beclomethasone - Teratogenic Agent: There is strong evidence to indicate that exposure to Beclomethasone during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Beclomethasone Dipropionate - Teratogenic Agent: Experimental studies on rats indicate that the use of Beclomethasone Dipropionate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bed sores: An ulceration due to an arterial occlusion or prolonged pressure
• Bednar's tumor: A rare aggressive skin tumor that develops in the skin. The tumor consists of melanin-producing cells which increases the skins pigmentation in the affected area. Metastasis is rare but it often regrows after being surgically removed. It occurs mostly on the trunk, shoulders and chest.
• Beemer-Ertbruggen syndrome: A rare lethal syndrome characterized primarily by hydrocephalus, heart malformations, and increased bone density. Only a couple of cases have been reported.
• Beemer-Langer syndrome: A very rare inherited condition characterized by a number of congenital abnormalities and death generally occurs during early infancy.
• Beeswax poisoning: Beeswax can cause a gastrointestinal blockage if excessive quantities are eaten.
• Beeturia: Some people excrete a beet pigment called betacyanin in the urine after they have consumed beets. People with iron deficiency are more likely to have beet pigments in their urine.
• Befunolol - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Befunolol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Behavioural disorders: Disorders that affect a persons behaviour
• Behcet's Disease: Recurring inflammation of small blood vessels affecting various areas.
• Behrens-Baumann-Dust syndrome: A very rare syndrome characterized primarily by eye malformations.
• Beigel disease: A fungal hair disease where soft nodules form on hair shafts. The nodules may be white or black depending on which fungus is involved. The disease is most common in Europe, South America and the Orient. It occurs mainly in armpit or scalp hair but can also occur in pubic hair or facial hair.
• Bejel: An infectious disease related to syphilis but is transmitted through nonsexual skin contact. Often starts with a sore in the mouth and then progresses to affect the skin and bones.
• Bell mania: A rare life-threatening neuropsychiatric disorder involving delusions, hyperactivity and periods of fever. Death can occur within days or months without treatment.
• Bell's palsy: A one sided muscle paralysis of sudden onset due to a problem with the facial nerve
• Belladona - Teratogenic Agent: There is strong evidence to indicate that exposure to Belladona during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bellini-Chiumello-Rinoldi syndrome: A very rare syndrome characterized primarily by mental retardation, short stature and unusual shaped ends of long bones.
• Belonephobia: Fear of sharp, point objects such as needles.
• Ben-Ari-Shuper-Mimouni syndrome: A very rare syndrome characterized mainly by abnormal development of the structure separating the two halves of the brain as well as duplicated ureters that collect the urine from the kidney and deliver it to the bladder.
• Benadryl - Teratogenic Agent: There is evidence to indicate that exposure to Benadryl during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benazepril - Teratogenic Agent: There is strong evidence to indicate that exposure to Benazepril during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benazepril Hydrochloride - Teratogenic Agent: Experimental studies on rats indicate that the use of Benazepril Hydrochloride during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bencze syndrome: A rare inherited condition characterized mainly by abnormal, asymmetrical facial bone growth and eye problems in some cases.
• Bendazole - Teratogenic Agent: Experimental studies on mice and rats indicate that the use of Bendazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bendectin - Teratogenic Agent: There is evidence to indicate that exposure to Bendectin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benedikt's syndrome: Damage to a part of the brain (intremedullary part of midbrain) can result in various neurological symptoms which can vary depending on the exact location and extent of the damage. Limb and trunk symptoms tend to be on the opposite side the eye symptoms. The damage may be caused by such things as trauma, cancer and stroke.
• Benign Fasciculation Syndrome: Common movement disorder manifesting in a fine (fast) tremor; it is an inherited condition of unknown cause.
• Benign Multiple Sclerosis: Describes a type of relapsing-remitting multiple sclerosis in which few relapses occur. These relapses tend to produce sensory symptoms, which go away and leave very little or no residual damage or disability
• Benign Paroxysmal Positional Vertigo: A condition where certain head movements cause extreme dizziness.
• Benign Prostate Hyperplasia: Non-cancerous prostrate enlargement common with aging
• Benign astrocytoma: Benign tumors that occur in the brain or spinal cord. Symptoms and severity depends on the location and size of the tumors.
• Benign congenital hypotonia: A rare condition where an infant has a severe lack of muscle tone which progressively improves and usually disappears within 10 years.
• Benign essential blepharospasm: A neurological disorder where certain eye muscles fail to function properly.
• Benign essential tremor syndrome: A condition characterized mainly by tremor affecting usually then hands and head and the tremors may then slowly progress to other parts of the body.
• Benign exertional-sex headache: Benign exertional sex-headache is a muscle contraction headache developing before or during an orgasm due to the hemodynamic changes that occur at the time.
• Benign familial infantile seizures 1: A harmless form of epilepsy that occurs during infancy. Episodes of multiple seizures tend to occur over a day or few days. Psychomotor development is not affected. The seizures tend to involve increased muscle tone, apnea, cyanosis, eye deviation and psychomotor arrest. Type 1 differs from type 2 in the origin of the genetic defect (chromosome 19).
• Benign familial infantile seizures 2: A harmless form of epilepsy that occurs during infancy. Episodes of multiple seizures tend to occur over a day or few days. Psychomotor development is not affected. The seizures tend to involve increased muscle tone, apnea, cyanosis, eye deviation and psychomotor arrest. Type 2 differs from type 1 in the origin of the genetic defect (chromosome 16).
• Benign intrahepatic cholestasis type 1: A rare liver disorder characterized by intermittent episodes of cholestasis (impaired bile flow within the liver) that doesn't involve obstruction of bile ducts outside the liver. The jaundice tends to disappear in weeks or months without treatment and the condition does not lead to liver failure. Type 1 is caused by a defect on the ATP8B1 gene on chromosome 18q21.
• Benign intrahepatic cholestasis type 2: A rare liver disorder characterized by intermittent episodes of cholestasis (impaired bile flow within the liver) that doesn't involve obstruction of bile ducts outside the liver. The jaundice tends to disappear in weeks or months without treatment and the condition does not lead to liver failure. Type 2 is caused by a defect on the ABCB11 gene on chromosome 2q24.
• Benign lung Cancer: Benign lung tumors are a heterogenous group of neoplastic lesions originating from pulmonary structures.
• Benign mucosal pemphigoid: A rare chronic disease involving blistering and scarring of the mucous membranes especially in the mouth and conjunctiva of the eye.
• Benign peptic ulcer: Benign ulcer is erosion in the lining of the stomach.
• Benign tumor: A tumor or growth that remains localized; not always harmless.
• Benjamin syndrome: A rare disorder characterized mainly by anemia, bone abnormalities and mental and growth retardation.
• Bennett fracture: A fracture that occurs at the base of the thumb. The fracture occurs in such a way as to dislocate the thumb joint.
• Bennion-Patterson Syndrome: A condition characterized by thickening of the skin on the palms of the hands and soles of the feet as well as an increased risk of developing gastrointestinal cancer which increases with age.
• Benomyl - Teratogenic Agent: Experimental studies on rats indicate that the use of Benomyl during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benson disease: A degenerative eye disorder characterized by white opacities (deposits of fatty calcium globules) in the part of the eye called the vitreous humor. The condition is usually asymptomatic with vision impairment occurring only rarely.
• Benson's syndrome: A rare neurodegenerative disorder characterized mainly by defective visual information processing which affects a person's ability to recognize familiar objects and people.
• Bentham-Driessen-Hanveld syndrome: A rare syndrome characterized mainly by the association of undescended testes, long thin fingers and mental retardation.
• Benzbromarone - Teratogenic Agent: Experimental studies on mice, rats and rabbits indicate that the use of Benzbromarone during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzene - fetal exposure: Experimental studies indicate that the use of Benzene during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzenesulfonic Acid Hydrazide - fetal exposure: Experimental studies on mice indicate that the use of Benzenesulfonic Acid Hydrazide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzidine - fetal exposure: Experimental studies on mice indicate that the use of Benzidine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzimidazole - Teratogenic Agent: Experimental studies on chickens indicate that the use of Benzimidazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzo(a)pyrene and Derivatives - Teratogenic Agent: Experimental studies on rats and mice indicate that the use of Benzo(a)pyrene and Derivatives during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzodiazepine - Teratogenic Agent: There is strong evidence to indicate that exposure to Benzodiazepine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benzodiazepine abuse: Abuse of benzodiazepine tranquiliser medications
• Benzodiazepine toxicity: The toxic reaction of the body to the substance, possibly via allergic reaction or overdose.
• Benzofuranyl Ureas - Teratogenic Agent: Experimental studies on rats indicate that the use of Benzofuranyl Ureas during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzolamide - Teratogenic Agent: Experimental studies on rats indicate that the use of Benzolamide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzthiazide - Teratogenic Agent: There is strong evidence to indicate that exposure to Benzthiazide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benztropine - Teratogenic Agent: There is strong evidence to indicate that exposure to Benztropine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Benztropine Mesylate - Teratogenic Agent: Reports indicate that the use of Benztropine Mesylate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzyl Alcohol - Teratogenic Agent: Experimental studies on chickens indicate that the use of Benzyl Alcohol during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Benzyloxycarbonyl-phenylalanine-alanine-diazomethane - fetal exposure: Experimental studies on rats indicate that the use of Benzyloxycarbonyl-phenylalanine-alanine-diazomethane during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bepridil Hydrochloride - fetal exposure: Experimental studies on rats indicate that the use of Bepridil Hydrochloride during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Berardinelli-Seip congenital lipodystrophy: A rare genetic disorder characterized by diabetes mellitus, loss of body fat, hepatomegaly, enlarged genitals, increased skeletal growth and other abnormalities.
• Berardinelli-Seip congenital lipodystrophy, type 1: A rare genetic disorder characterized by early-onset diabetes mellitus, loss of body fat, serious insulin resistance, high blood triglycerides and fatty liver. Type 1 is distinguished from type 2 by the origin of the genetic defect. Type 1 is caused by a defect on the AGPAT2 gene on chromosome 9q34.3. Type 1 seems to be less severe with some cases of type 2 resulting in premature death which can occur as early as the first year of life. Type 2 also involves mental retardation which is not seen in type 1.
• Berardinelli-Seip congenital lipodystrophy, type 2: A rare genetic disorder characterized by early-onset diabetes mellitus, loss of body fat, serious insulin resistance, high blood triglycerides and fatty liver. Type 2 is distinguished from type 2 by the origin of the genetic defect. Type 2 is caused by a defect on the BSCL2 gene on chromosome 11q13. Type 2 seems to be more severe with some cases resulting in premature death which can occur as early as the first year of life. Type 2 also involves mental retardation which is not seen in type 1.
• Berger paresthesia: A rare disorder characterized by paresthesia and weakness in the lower legs.
• Berk-Tabatznik syndrome: A rare condition characterized by eye and skeletal problems.
• Berlin Breakage syndrome: A very rare syndrome characterized mainly by a small head, reduced immunity and increased risk of cancer. The features of this condition are virtually indistinguishable from the Nigmegen Breakage syndrome.
• Bernard syndrome: A familial condition characterized by acute anemia, jaundice, hemoglobinuria and destruction of red blood cells. Acute symptoms may follow an episode of fever, abdominal pain, vomiting, malaise and joint pain.
• Bernard-Soulier Syndrome: A congenital bleeding disorder marked by inability of platelets to coagulate or by insufficient platelets. The platelets that are present are often large.
• Berndorfer syndrome: A rare syndrome characterized mainly by a cleft palate, harelip and cleft hands and feet.
• Bernheim syndrome: Overgrowth of the left heart ventricle which results in the tissue separating the two ventricles pushing into the right ventricle. This results in obstruction of blood flow through the right heart ventricle and ultimately can lead to heart failure.
• Bernheim's syndrome: Reduced size of right heart ventricle due to enlargement of the left ventricle which encroaches on the space in the right ventricle. Blood flow from the right atrium to the right ventricle is obstructed.
• Berry aneurysm, cirrhosis, pulmonary emphysema, and cerebral calcification: A very rare syndrome characterized primarily by brain aneurysms, liver cirrhosis, pulmonary emphysema and calcification of the brain (cerebrum).
• Berserker-blind rage syndrome: A dissociative disorder where a person reacts violently to something they see, hear or feel.
• Bertielliasis: A parasitic intestinal infection caused by a nematode called Bertiella. The parasite commonly infects koalas, possums and primates but can occur in humans. Transmission usually occurs through accidental ingestion of infected fleas.
• Berylliosis: Beryllium poisoning which causes granulomas and pulmonary fibrosis.
• Beryllium - fetal exposure: Experimental studies on rats indicate that the use of Beryllium during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Besnier-Boeck-Schaumann disease: A rare disease where inflammatory granular nodules form in various organs.
• Bessel-Hagen disease: A dominantly inherited disorder characterized by growth of multiple tumors made up of cartilage on the bones.
• Bessman-Baldwin syndrome: A rare disorder characterized by degeneration of the brain and the macula of the eye.
• Best Vitelliform Macular Dystrophy: Vitelliform macular dystrophy is a rare inherited eye disorder that affects the retina and often results in progressive loss of central vision. The early-onset form of the condition is called Best Vitelliform Macular Dystrophy and usually appears during childhood. The severity of the symptoms of this form of the condition is quite variable. Peripheral and night vision are usually unaffected.
• Bestrophinopathy, atuosomal recessive: A disorder of the retinas which manifests as loss of central vision loss.
• Beta Thalassemia intermedia: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. There are two subtypes of the disorder (? and ?) depending on what portion of the hemoglobin is abnormally synthesized. Beta Thalassemia intermedia involves defects in both of the two genes required to make each ? protein chain. The condition causes varying degrees of moderate anemia.
• Beta Thalassemia trait: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. There are two subtypes of the disorder (? and ?) depending on what portion of the hemoglobin is abnormally synthesized. Beta Thalassemia trait involves defects in one of the two genes required to make each ? protein chain. Mild anemia is usually the only symptom.
• Beta ketothiolase deficiency: A rare inherited disease characterized by the bodies inability to metabolise certain amino acids and products of the breakdown of fat. Harmful levels of organic acids build up in the body and cause ketoacidic attacks.
• Beta thalassemia: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. Beta thalassemia involves defects in one or more of the two genes required to make each ? protein chain. The main symptom is anemia, the severity of which can vary amongst patients depending on how many defective genes are involved.
• Beta-Adrenergic poisoning: Excessive ingestion of Beta-Adrenergic drugs.
• Beta-Glutamylcysteine synthetase deficiency: A rare disorder of amino acid metabolism where deficiency of the enzyme called Beta-Glutamylcysteine synthetase impairs the body's ability to metabolize sulfur-containing amino acids.
• Beta-hydroxybutyric aciduria: A rare disorder of amino acid metabolism where glycine and proline are unable to be metabolized properly due to deficiency of the enzyme called succinic semialdehyde dehydrogenase.
• Beta-mannosidosis: A very rare type of inherited glycoprotein storage disease where deficiency of an enzyme called beta-mannosidase results in a build-up of certain sugars (oligosaccharides) which can harm the body.
• Betamethasone - Teratogenic Agent: There is strong evidence to indicate that exposure to Betamethasone during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Betamethasone Butyrate Propionate - Teratogenic Agent: Experimental studies on rats and rabbits indicate that the use of Betamethasone Butyrate Propionate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Betamtehasone - Teratogenic Agent: Experimental studies on rats and mice indicate that the use of Betamtehasone during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Betaxolol - Teratogenic Agent: There is strong evidence to indicate that exposure to Betaxolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bethesda I dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Bethesda I type was discovered in Bethesda.
• Bethesda II dysfibrinogenemia: A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Bethesda II type was discovered in Bethesda.
• Bethlem myopathy: A rare, slow-progressing, genetic muscle disorder where the muscle gradually weaken and become wasted.
• Beveridge syndrome: A rare syndrome characterized by a large head, skeletal and visceral problems and patches of reduced skin pigmentation.
• Bhaskar-Jagannathan syndrome: A very rare syndrome characterized primarily by long, thin fingers, amino acids in the urine, cataracts (during infancy), incoordination and delayed development.
• Bianchi's syndrome: Damage to a part of the brain (left parietal lobe) resulting in the loss of ability to read (alexia), comprehend language (sensory aphasia) and inability to carry out previously learned purposeful movements (apraxia). The damage may be caused by such things as stroke, trauma and cancer. The type and severity of symptoms are determined by the exact location and extent of damage to the brain.
• Biastophilia: Sexual arousal from assault and rape.
• Biaxin - Teratogenic Agent: There is evidence to indicate that exposure to Biaxin (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Biber-Haab-Dimmer dystrophy: An inherited eye disorder where the cornea of the eye develops abnormal lattice-shaped lines caused by the abnormal deposition of a substance called amyloid. The abnormal deposits cause progressive vision impairment.
• Bibliokleptomania: A disorder where a person compulsively steals books.
• Bibliomania: A type of obsessive-compulsive disorder where the patient compulsively collects books. The books bought are generally not even looked but are simply bought and hoarded. Multiple copies of the same book are often bought. The quantity of books collected usually far exceeds and useful purpose.
• Bibliophagy: A disorder where a person compulsively eats books.
• Bibliophobia: An exaggerated or irrational fear of books.
• Bibliotaphy: A disorder where a person compulsively buries books.
• Bicarbonate deficit: A condition caused by excessive organic or inorganic acids in the body. The excess may be due to abnormally high acid production such as occurs during fever and starvation or may occur as a result of excessive acid intake, acid retention or loss of bases.
• Bicep muscle strain: Damage to the bicep muscle in the arm due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of the damage.
• Bicipital syndrome: Dislocation of the bicipital tendon (the long head of the biceps tendon) due to some form of trauma.
• Bicipital tendinosis: Inflammation of the bicipital tendon (the long head of the biceps tendon). Occurs mainly in athletes who engage in sports that involve throwing, swimming or golfing.
• Bicipital tendonitis: Inflammation of the bicipital tendon (the long head of the biceps tendon). It is often associated with some sort of trauma or overuse. It is usually associated with rotator cuff disease.
• Bickerstaff's brainstem encephalitis: A rare condition where inflammation of the brainstem results in various symptoms such as ataxia and ophthalmoplegia. The onset of symptoms is usually acute.
• Bickerstaff's brainstem encephalitis (BBE): A rare condition where inflammation of the brainstem results in various symptoms such as ataxia and ophthalmoplegia. The onset of symptoms is usually acute.
• Bicuspid aortic valve: A heart defect where the aortic valve has only two leaflets instead of the normal three. The severity of the disorder is variable.
• Bielschowsky disease: An eye disorder where one eye tends to drift upwards while the other remains fixed.
• Biemond Syndrome: A rare genetic disorder characterized by nystagmus, cerebellar ataxia and short digits.
• Biemond syndrome type 1: A rare inherited condition characterized by mental retardation, finger and toe abnormalities, obesity and eye problems.
• Biemond syndrome type 2: A rare inherited condition characterized by mental retardation, obesity, polydactyly and underdeveloped genitals.
• Biemond syndrome type 3: A rare inherited condition characterized by the inability to feel pain as well as other anomalies.
• Bietti's crystalline dystrophy: A rare inherited eye disease involving crystals in the clear layer of the eye (cornea).
• Bifid nose: A bifid nose is a cleft in the nose - the degree of nasal clefting is variable. The anomaly is often associated with various syndromes and only rarely occurs as an isolated finding.
• Bifid nose dominant: A rare inherited malformation where there is a cleft in the middle of the nose.
• Bilateral abductor vocal cord paralysis syndrome: A complication that can occur following the removal of the thyroid gland.
• Bilateral renal agenesis dominant type: A rare birth defect where both kidneys are absent. The disorder results in death within days of birth.
• Bile acid synthesis defect, congenital, 2: A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid.
• Bile acid synthesis defect, congenital, 4: A defect which prevents the body from making bile acid which results in progressive liver disease.
• Bile acid synthesis defects: A defect which prevents the body from making bile acid which results in progressive liver disease.
• Bile acid synthesis defects, congenital, 1: A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (3-beta-hydroxy-delta-5-C27-steroid oxidoreductase) needed to make bile acid.
• Bile acid synthesis defects, congenital, 2: A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid.
• Bile acid synthesis defects, congenital, 3: A defect which prevents the body from making bile acid which results in progressive liver disease. The defect involved a deficiency of 7-alpha-hydroxylase which is an enzyme needed to prevent the accumulation of 27-hydroxycholesterol which is toxic to the liver.
• Bile acid synthesis defects, congenital, 4: A defect which prevents the body from making bile acid which results in progressive liver disease.
• Bile duct cancer, extrahepatic: A rare cancer that develops in the part of the common bile duct that is outside the liver. The common bile duct channels bile from the gall bladder (which stores bile) and the liver (which makes bile) to the small intestine to assist digestion.
• Bile duct cysts: The formation of a cyst (dilation or swelling) in the bile duct which can obstruct the flow of bile and result in jaundice.
• Bile duct paucity in Graft-Versus-Host Disease: A reduced number of ducts that carry bile through and from the liver (bile duct) that results from graft-versus-host disease.
• Bile duct paucity in Liver Allograft Rejection: A reduced number of ducts that carry bile through and from the liver (bile duct) that results from liver allograft rejection.
• Bile duct paucity, non syndromic form: A reduced number of ducts that carry bile through and from the liver (bile duct) that is not associated with a syndrome. Paucity of bile ducts is associated with many liver conditions such as biliary cirrhosis and sclerosing cholangitis.
• Biliary Atresia: A rare condition that can affect newborns where the bile duct that carries the bile from the liver to the small intestine is blocked or missing.
• Biliary atresia, intrahepatic, non syndromic form: Congenital obstruction of the passages in the liver that carry bile. The nonsyndromic form is not associated with any other abnormalities.
• Biliary atresia, intrahepatic, syndromic form: Congenital obstruction of the passages in the liver that carry bile. The syndromic form is associated with other congenital abnormalities such as heart and visceral defects.
• Biliary cirrhosis: Biliary cirrhosis is a condition where the bile ducts are unable to transport bile effectively due to blockage, inflammation, scarring or some other damage to the bile ducts. The condition may result from such things as congenital defect of the bile ducts (e.g. biliary atresia), cystic fibrosis, gallstones or a variety of other secondary conditions. The cause of primary biliary cirrhosis is not fully understood.
• Biliary hypoplasia: An underdeveloped biliary duct system which is involved in transporting bile. The bile ductules may be completely absent or be fewer in number than normal.
• Biliary tract cancer: Cancer that develops in the gallbladder or bile ducts.
• Billet-Bear syndrome: A very rare syndrome characterized mainly by the complete or partial absence of the kidneys as well as partial duplication of the lower leg.
• Billroth disease (1): A buildup of cerebrospinal fluid under the scalp. It tends to occur mainly in children as a result of skull fractures or a tear in a membrane that surrounds the central nervous system (arachnoid).
• Bindewald-Ulmer-Muller syndrome: A rare syndrome characterized mainly by a heart defect, and mental and growth retardation.
• Bing-Neel syndrome: A rare disorder involving infiltration of the central nervous system by abnormal leukemia-like cells (lymphoplasmocytoid cells) that occur in Waldenström's macroglobulinemia. The abnormality increases blood viscosity which impairs its circulation through small brain and eye blood vessels.
• Binswanger's Disease: A type of senile dementia characterized by chronic cerebrovascular disease.
• Bint Al Zahab-induced lead poisoning: Bint Al Zahab is a folk remedy used by various ethnic groups (e.g. Indians, Saudi Arabians) to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Biotin deficiency: Vitamin H deficiency
• Biotinidase deficiency: A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes.
• Biotinidase deficiency, late onset: A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes. The severity of symptoms may vary depending on the degree of deficiency. Severe cases can result in metabolic acidosis which can lead to death if treatment isn't given.
• Biphasic Mesothelioma: Biphasic mesothelioma is the second most common type of mesothelioma cancer cell Biphasic mesothelioma, or mixed mesothelioma, contains a mixture of epithelioid and sarcomatoid cells.
• Bipolar IV: Bipolar IV Disorder - BP IV for short - is major depression with mania or hypomania caused by taking antidepressants.
• Bipolar V: Bipolar V involves patients who only experience depressive symptoms as a diagnosis of major depressive disorder, but have a family history of bipolar disorder.
• Bipolar VI: Bipolar VI type is defined as having no depressive symptoms, only manic or hypomanic moods.
• Bipolar disorder: Cycles of mania and depression; commonly called "manic-depression".
• Bipolar disorder I: Bipolar I disorder is a mood disorder that is characterized by at least one manic or mixed episode. Most people with bipolar I disorder also suffer from episodes of depression.
• Bipolar disorder II: Bipolar II is similar to bipolar I disorder, with moods cycling between high and low over time. Here , depressive episodes are more frequent and more intense than manic episodes. It is believed to be underdiagnosed because hypomanic behavior often presents as high-functioning behavior
• Bipolar-NOS (not otherwise specified): Bipolar Disorder Not Otherwise Specified is a catch-all diagnosis that is used to indicate bipolar illness that does not fit into the other diagnostic categories
• Bird allergy: A bird allergy is an adverse reaction by the body's immune system to birds. The allergy is usually associated with the skin, feathers or excrement of the bird. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms that can result can vary considerably amongst patients e.g. skin and respiratory symptoms.
• Bird cherry seed poisoning: Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental ingestion is very unusual.
• Bird flu (avian influenza): Bird flu refers to influenza A invection. Influenza A is a viral respiratory infection that can usually occurs in birds (especially poultry) but can be transmitted to humans and cause serious illness. The virus is contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respiratory and constitutional (e.g. headache, aching muscles) symptoms. The influenza virus can mutate and produce different strains though the symptoms are the same. This frequent mutation means that people need regular vaccinations to ensure they are protected against new strains as they arise.
• Bird of Paradise poisoning: Various parts of the Bird of Paradise plant are poisonous - the seeds contain toxic tannins and the leaves can contain hydrocyanic acid. Eating five seed pods can result in poisoning symptoms but the plant is generally considered to have low toxicity.
• Bird-headed dwarfism with progressive ataxia, Insulin-resistant diabetes, goiter and primary gonadal insufficiency: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
• Bird-headed dwarfism, Montreal type: A rare condition characterized by dwarfism and a characteristic beak-shaped nose.
• Birdshot chorioretinopathy: A rare eye disorder where the eye has a number of light-colored specks around the optic disk due to an inflammation inside the eye.
• Birdshot retinochoroidopathy syndrome: Inflammation of the middle layer of the eye called the uvea probably caused by an autoimmune process. The rate of progression and degree of vision impairment is variable.
• Birt-Hogg-Dubé syndrome: A rare inherited disorder that affects the skin and results in an increased risk of certain skin tumors called fibrofolliculomas which are benign.
• Birth Injury: An injury to the mother caused by childbirth
• Birth defects: Conditions which are present at birth and are considered alterations to what is considered normal in a newborn baby
• Birth symptoms: Symptoms related to childbirth.
• Bis(tri-n-butyltin) Oxide - Teratogenic Agent: Experimental studies on mice indicate that the use of Bis(tri-n-butyltin) Oxide during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bis-dichloroacetyl-amine - Teratogenic Agent: Experimental studies on rats indicate that the use of Bis-dichloroacetyl-amine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bisalbuminemia: Bisalbuminemia is the presence of an additional type of serum albumin. The condition is asymptomatic and may be inherited or acquired.
• Bisalbuminemia, acquired: Bisalbuminemia is the presence of an additional type of serum albumin. The condition is asymptomatic. The acquired form can be caused by an overdose of beta-lactam antibiotics or with pancreatic pseudocyst.
• Bisalbuminemia, inherited: An inherited trait involving the presence of an additional type of serum albumin. The condition is asymptomatic.
• Bisdiamine - Teratogenic Agent: Experimental studies on rats indicate that the use of Bisdiamine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bismuth - Teratogenic Agent: Experimental studies on sheep indicate that the use of Bismuth during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bismuth subsalicylate - Teratogenic Agent: There is strong evidence to indicate that exposure to Bismuth subsalicylate during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bisoprolol - Teratogenic Agent: There is strong evidence to indicate that exposure to Bisoprolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bisoprolol Fumarate - fetal exposure: Experimental studies on rats and rabbits indicate that the use of Bisoprolol Fumarate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bitter almond seed poisoning: Bitter almond seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. Accidental ingestion is very unusual. Bitter almond plants grow mainly in Northern America. Various processes can be used to leach the toxic chemical out of the bitter almonds.
• Bixler-Christian-Gorlin syndrome: A very rare syndrome characterized primarily by widely spaced eyes, small ears and a clefts in the lip, palate and nose.
• Bjornstad syndrome: An inherited condition characterized by twisted hairs and nerve deafness.
• Black henbane poisoning: Black henbane is a herb which has hairy stems and bears flowers and fruit. All parts of the plant contain tropane alkaloids which is toxic enough to cause death if eaten. Black henbane is often used for medicinal purposes to treat a variety of health conditions.
• Black jetbead poisoning: The Black jetbead is a deciduous shrub which bears single white flowers and small groups of shiny black fruit. The fruit contains amygdalin which is very toxic and can cause severe poisoning or even death if eaten.
• Black locust poisoning: The black locust is a large deciduous tree which has long clusters of scented flowers and flat fruit pods. The young leaves, seeds and inner bark contain various chemicals (robin, robinine and robitin) which can be toxic if large quantities are eaten. The flowers are considered edible if handled correctly.
• Black mustard poisoning: Black mustard is commonly used as a spice or seasoning as well as a beneficial oil in naturopathy. It contains a chemical called ally isothiocyanate which can cause severe skin and respiratory system irritation in humans. Mustard oil is sold illegally in the US.
• Black nightshade poisoning: The Black Nightshade is a herb which bears small white or purple flowers and dull black berries. The plant originated in South America. The berries contain solanine alkaloid which can be toxic if eaten in large quantities. The leaves and unripe berries are considered toxic whereas the ripe fruit is possibly edible.
• Black piedra: A fungal hair disease where soft black nodules form on hair shafts. The fungus involved is Trichosporum beigelii. The disease is most common in Europe, South America and the Orient. It occurs mainly in armpit or scalp hair but can also occur in pubic hair or facial hair.
• Black widow spider envenomation: The black widow spider bite is toxic to the nerves and can cause serious symptoms. The black widow spider is most commonly found in North America.
• Bladder Cancer: Bladder cancer refers to any of several types of malignant growths of the urinary bladder. It is a disease in which abnormal cells multiply without control in the bladder.
• Bladder Exstrophy-Epispadias-Cloacal Exstrophy Complex: A rare disorder characterized by fetal developemental problems involving the urogenital and intestinal tract and resulting in exstrophy of the bowel and bladder.
• Bladder conditions: Any condition affecting the bladder
• Bladder diverticulum: A defect where a part of the bladder lining forms a pouch in the muscle wall of the bladder. The defect may be congenital or acquired through conditions such as infection and urinary tract obstruction. The size of the diverticulum will determine the severity of the disorder with mild cases being asymptomatic.
• Blaichman syndrome: A very rare genetic disorder characterized by a malformation where there is an opening between the trachea and esophagus. Webbing of the fifth finger is also present.
• Bland-Garland-White syndrome: A rare birth malformation where the left coronary artery comes out of the pulmonary artery instead of the aorta. Usually, infants are usually healthy for a few months after which they start having symptoms of heart problems. Occasionally, patients may be asymptomatic even into adulthood but usually death occurs during infancy.
• Bland-White -Garland syndrome: A heart disorder where the left coronary artery comes out of the pulmonary artery.
• Blast crisis: The final phase of chronic myeloid leukemia which has a high mortality rate. Myeloid leukemia is a form of cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and eventually invades various parts of the body. The three phases of the condition are the chronic phase, aggressive phase and finally the blast crisis. A blast crisis is occurs when over 30% of the cells in the blood or bone marrow are immature blood cells (blast cells). Patients in the final stage of leukemia are more prone to relapses following treatment.
• Blastoma: A type of tumor that originates from precursor cells or blasts (immature or embryonic tissue). The symptoms can vary greatly and are determined by the part of the body that is affected. Blastomas can occur in parts of the body such as the brain, liver, kidneys, nervous system, bones and the retina.
• Blastomycosis: A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement.
• Bleeding Heart poisoning: Bleeding heart is a vine plant that can cause skin reactions on exposure and systemic symptoms such as convulsions if eaten. The leaves and roots are the most toxic parts of the plant and contain a toxic chemical called isoquinoline. Large amounts of the plant need to be eaten for poisoning to occur. The plant is native to North America.
• Bleeding symptoms: Any type of bleeding symptoms.
• Blegvad-Haxthausen syndrome: A rare syndrome characterized by skin wasting, zonular cataract, blue eyes and osteogenesis imperfecta.
• Blennophobia: An exaggerated or irrational fear of slime.
• Blepharitis: A common eyelid inflammation
• Blepharo facio skeletal syndrome: A very rare syndrome characterized mainly by eyelid, facial and skeletal abnormalities.
• Blepharochalasia - double lip: A very rare syndrome characterized y blepharochalasis and a double lip.
• Blepharochalasis syndrome: An inflammatory, degenerative disease of the eyelid. The disease goes through periods of remission and involves rapid swelling of the eyelids. The eyelid is stretched and becomes thin and wasted over time. There is no discernable cause.
• Blepharophimosis - nasal groove - growth delay: A very rare syndrome characterized mainly by eyelid abnormalities, retarded growth and a nasal groove.
• Blepharophimosis - nasal groove - growth retardation: A very rare syndrome characterized mainly by eyelid abnormalities, retarded growth and a nasal groove.
• Blepharophimosis - ptosis - esotropia - syndactyly - short stature: A rare disorder characterized by eye anomalies, webbed fingers and short stature.
• Blepharophimosis - ptosis - syndactyly - mental retardation: A rare genetic disorder characterized by eye anomalies, webbed fingers and mental retardation.
• Blepharophimosis ptosis esotropia syndactyly short: A rare disorder characterized by eye anomalies, webbed fingers and short stature.
• Blepharophimosis syndrome Ohdo type: An extremely rare syndrome characterized primarily by mental retardation and eye anomalies. Only a handful of cases have been reported.
• Blepharophimosis telecanthus microstomia: A rare syndrome characterized by a flat face, small mouth and ear anomaly as well as a range of other abnormalities.
• Blepharophimosis with ptosis, syndactyly, and short stature: A very rare genetic condition characterized by the association of droopy eyelids, webbed digits and short stature.
• Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome: A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fertility problems whereas type 1 only involves the eye anomalies.
• Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome, type 1: A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fertility problems whereas type 1 only involves the eye anomalies.
• Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome, type 2: A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fertility problems whereas type 1 only involves the eye anomalies.
• Blepharophimosis, large cylindrical nose and severe intrauterine growth retardation: A rare syndrome characterized by eye and nose anomalies as well as severely retarded fetal growth.
• Blepharophimosis, ptosis, epicanthus inversus: A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid.
• Blepharophimosis, ptosis, polythelia and brachydactyly: A rare syndrome characterized mainly by droopy eyelids, short digits, blepharophimosis and accessory nipples (polythelia).
• Blepharoptosis: Droopy upper eyelid. The condition may be caused by such things as stroke, brain tumor, diabetes and myasthenia gravis.
• Blepharoptosis - aortic anomaly: A rare disorder characterized mainly by the presence of droopy upper eyelids and an abnormal aorta.
• Blepharoptosis - cleft palate - ectrodactyly - dental anomalies: A rare genetic disorder characterized primarily by dental symptoms, opening in the roof of the mouth (cleft palate) and missing fingers giving the hands a claw like appearance.
• Blethen-Wenick-Hawkins syndrome: A rare syndrome characterized mainly by short stature, skeletal abnormalities and reduced pituitary gland functioning.
• Blind loop syndrome: A rare intestinal defect where there is a small loop in the intestines that allow digesting material to enter but not exit. The symptoms are variable depending on the size and location of the pouch.
• Blind spot syndrome: An eye disorder involving crossed eyes, occasional double vision and blind spot in vision. However, generally vision is good.
• Blomstrand syndrome: A rare lethal congenital condition characterized by abnormal bone development.
• Blood cancer: Malignancy of one or several of the different types of cells in the blood
• Blood coagulation disorders, inherited: Inherited blood disorders where the ability to form clots is dysfunctional. The blood needs to be able to clot to prevent excessive bleeding in situations such as when the body suffers some sort of injury. With blood coagulation disorders, the blood's ability to clot may be impaired, resulting in excessive bleeding, or the blood may form clots too readily and result in thrombosis.
• Blood in urine: Blood or blood-like discoloration of urine.
• Blood lily poisoning: The Blood lily is a bulbous herb which produces red flowers and berries. The plant originated from Africa. The bulb contains a poisonous chemical called lycorine as well as other alkaloids which can cause symptoms if ingested. The bulb is considered to have relatively low toxicity.
• Blood vessel conditions: Conditions that affect the blood vessels
• Blood vessel symptoms: Symptoms affecting the blood vessels
• Bloodshot eyes: Red blood-like color of the eyes
• Bloom Syndrome: A rare genetic inherited genetic disorder which mainly affects Ashkenazic Jewish people and is characterized by short stature, malar hypoplasia, and a telangiectatic erythema of the face.
• Blount disease: A bone developmental disorder that affects the shin bone (tibia) resulting in a progressive bow-legged appearance due to the inward facing angle of the shin bone. One or both legs may be affected.
• Blue Cohosh poisoning: Blue Cohosh is a small flowering herb which has clusters of greenish-yellow flowers and fruit with a couple of blue seeds. The plant originated in the US and is often found in forests or wooded areas. Eating the raw seeds or roots can cause poisoning symptoms and skin contact can also result in skin irritation. The roasted seeds are sometimes used as a safe coffee substitute. The toxic compounds in the plant are alkaloids and saponins. The plant is considered to have a relatively low level of toxicity.
• Blue Diaper Syndrome: A rare metabolic disorder characterized by vision problems, bluish urine, fever and digestive anomalies.
• Blue and bloated syndrome: Heart and breathing problems that occur in obese patients that can cause reduced blood oxygenation especially while sleeping.
• Blue colourblindness: A rare genetic eye condition where the individual is unable to detect blue and yellow colors but red and green vision remains normal.
• Blue cone monochromatism: A genetic eye disorder where the S cones function normally but the L and M cones don't resulting in poor color vision.
• Blue devil poisoning: The Blue Devil is a hairy flowering herb which tends to grow in mountainous, forested areas. All parts of the plant contain pyrrolizidine alkaloids which are slightly toxic if eaten. Skin contact with the hairs on the plant can also cause minor skin irritation.
• Blue nevus type: These are melanomas, that all "atypical blue nevi" are either a nevus or a melanoma, and that the trio of curious designations that serve as title of this work are mere evasions transparently from a diagnosis, straightforwardly, of 1 of only 3 possibilities, to wit, "blue nevus," melanoma, or melanoma in association with a "blue nevus." Benign, dermal melanocytic tumor characterized by an ill-defined, deep dermal proliferation of elongated and/or dendritic dermal melanocytes.
• Blue rubber bleb nevus: A very rare congenital vascular disorder characterized by multiple hemangiomas on the skin and internal organs.
• Blue veins: Veins that are blue in colour
• Blue-ringed octopus poisoning: The blue-ringed octopus is found in shallow Australian ocean water and can deliver venomous, potentially fatal bite. The poison is present in the saliva of the octopus. The venom affects the neuromuscular system.
• Blueberry muffin syndrome: A manifestation of fetal rubella infection. The newborn has purplish or bluish skin lesions or bumps as well as thrombocytopenia. The skin usually clears within 6 weeks.
• Blueberry syndrome: A disorder involving language and behavioral problems. There is no detectable damage to the brain or emotional disorders.
• Bluefarb-Stewart syndrome: A rare disorder where blood vessel defects in a limb causes skin lesions. It most often occurs in one leg. The blood vessel defects involves abnormal connections between arteries and veins.
• Blum's syndrome: A syndrome characterized by low blood sodium levels and increased blood urea levels that is not due to kidney problems.
• Bobble-head doll syndrome: A rare condition where a child's head bobs up and down continuously due to either fluid on the brain or a large cyst in the third ventricle of the brain.
• Body dysmorphic disorder: Delusional belief about body shape or appearance
• Body packer syndrome: Consuming packages of drugs for the purpose of concealing them for transportation.
• Body skin hyperlaxity due to vitamin K-dependent coagulation factor deficiency: A rare inherited connective tissue disorder caused by a deficiency of a blood coagulation factor.
• Boeck scabies: Severe scabies caused by the infestation of huge numbers of mites (in the millions in some cases) under the skin. The scabies tend to live for up to four days as opposed to the normal one day and the condition can be quite contagious.
• Boerhaave syndrome: A rare spontaneous rupture of the esophagus which can occur during violent vomiting or retching.
• Bog rosemary poisoning: Bog rosemary is a type of heath found in bogs and cold peat areas of the more northern parts of the world. It is a small shrub with tall thin stems. The flowers are whit or pink. The plant contains a chemical called grayanotoxin which can cause various symptoms if eaten. The plant is only considered poisonous if large amounts are eaten.
• Bogart-Bacall syndrome: A voice disorder caused by vocal cord abuse or overuse. It most often occurs in singers or people who regularly speak outside their normal vocal range.
• Bogorad's syndrome: Spontaneous tearing of the eyes when eating or drinking. Tear production increases when salivation increases. It is most often associated with paralysis of a facial nerve.
• Bogyphobia: An exaggerated or irrational fear of demons and goblins.
• Boichis syndrome: A rare syndrome involving nephronophthisis (progressive destruction of kidney tissue) from birth which leads to kidney failure and liver fibrosis.
• Boil: Infected puseous hair follicle on the skin
• Bokhoor-induced lead poisoning: Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure to lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Bolivian hemorrhagic fever: An infectious disease that occurs in Bolivia and is caused by the Machupo virus. Transmission can occur through contact with infected rodent (Calomys callosus) droppings. The incubation period lasts from one to two weeks.
• Boltshauser Syndrome: Boltshauser Syndrome is a rare condition reported in a few generations in one family. The condition is characterized by paralysis of the vocal cords, deafness and movement problems.
• Bone cement implantation syndrome: A complication that can occur after using bone cement during implantation of an internal prosthesis. Circulation may be affected and a blockage in the pulmonary artery may develop.
• Bone conditions: Conditions that affect the bones
• Bone dysplasia - corpus callosum agenesis: A very rare syndrome characterized mainly by abnormal brain development and bone growth abnormalities.
• Bone dysplasia Azouz type: A rare disorder involving abnormal bone development characterized by a flattened spine and abnormal benign cartilage growths whitin bones which affects it's growth and strength.
• Bone dysplasia Moore type: A rare disorder characterized by abnormally bowed long bones. The bowed bones may be symmetrical or asymmetrical. The condition has only been observed in two siblings and is believed to be a previously undescribed disorder.
• Bone dysplasia with medullary fibrosarcoma: A rare inherited bone disorder characterized by aggressive bone tumors and defective bone development. The tumors metastasized readily.
• Bone dysplasia, lethal, Holmgren type: A rare lethal bone malformation syndrome.
• Bone fragility, craniosynostosis, proptosis, hydrocephalus: A very rare genetic disorder characterized by fragile bones, premature closure of skull bones, protruding eyeballs and fluid buildup in the skull.
• Bone infarct: A relatively uncommon condition where some bone tissue dies due to a lack of sufficient blood supply to the affected tissue for any reason. An interruption in the blood supply can result from such things as emboli, thrombi, infection, diabetes, kidney transplant, hemophilia, increased steroid levels, immunosuppressant use and bone trauma. Often there are no symptoms unless significant areas of bone are involved and usually there are no symptoms in the early stages. Radiological tests will not necessarily reveal a bone infarct.
• Bone marrow failure - neurologic abnormalities: A rare syndrome characterized by the association of bone marrow failure and neurological abnormalities.
• Bone pain: Pain affecting the bones
• Bone pain, periodic: Periods of bone pain which occurred in the shafts of long bones. The condition was observed in many members of a number of generations in one family.
• Bone symptoms: Symptoms affecting the body's bones
• Bone-Marrow failure syndromes: A disorder where the bone marrow fails to produce enough new blood cells.
• Bonefish poisoning (clupeotoxin): Some bonefish contain toxins (Clupeotoxin) which can be poisonous to humans if eaten. Heat does not destroy the toxin and there is still uncertainty as to the origin of the toxin. The toxin appears to be present in higher concentrations in summer and is believed to be possible linked to the consumption of toxic food in its food web. The size and age of the bonefish does not appear to be related to the toxicity. The bonefish are found in coastal waters off Africa and the Caribbean, Indian and Pacific Oceans.
• Bonneman-Meinecke-Reich syndrome: A very rare syndrome characterized by calcium deposits in the brain tissue, deficiency of growth hormones and degeneration of the part of the eye called the retina.
• Bonnemann-Meinecke-Reich syndrome: A rare disorder characterized mainly by growth problems, vision problems and brain disease.
• Bonnier's syndrome: A range of symptoms caused by damage to Dieter's nucleus (the lateral nucleus of the vestibular nerve) or its connections.
• Book syndrome: A rare condition observed in a number of generations within one family. It was characterized by excessive sweating
• Boomerang dysplasia: A rare lethal disorder characterized by bone abnormalities (lack of bone ossification and missing bones) and a characteristic face.
• Borderline Personality Disorder: Mental condition with behavioral and emotional problems.
• Boric Acid - Teratogenic Agent: Experimental studies on chickens and rabbits indicate that the use of Boric Acid during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Borjeson Syndrome: A rare genetic disorder characterized by severe mental deficiency, large ears, hypogonadism and other abnormalities.
• Bork-Stender-Schmidt syndrome: A very rare syndrome characterized primarily by unusual hair, retinal disease, dental problems and short fingers.
• Borna disease: An infectious neurological disease that affects warm-blooded animals. There is disagreement as to whether the virus may be the underlying cause of some cases of mental illness in humans.
• Bornholm disease: Contagious viral infection
• Boron overuse: Consumption of high doses of the mineral boron can cause various symptoms.
• Borries syndrome: Localized brain inflammation without the production of pus.
• Borrone-Di Rocco-Crovato syndrome: A rare progressive syndrome characterized by skin, heart and skeletal defects. Only several reported cases of the condition.
• Bortonneuse fever: A mild infectious disease caused by the bacterium Rickettsia Conorrii. The disease is transmitted by a dog tick (Riphicephalus sanguineus) and is most common in countries bordering the Mediterranean Sea. Incubation usually takes about one week.
• Borud Syndrome: A very rare syndrome characterized by numerous features including hearing and vision problems, heart muscle disease, ataxia and peripheral neuropathy.
• Boscherini-Galasso-Manca-Bitti syndrome: A rare syndrome characterized by a range of abnormalities including mental retardation, growth hormone deficiency, congenital heart defect and facial abnormalities.
• Bosley-Salih-Alorainy syndrome: A rare recessively inherited disorder involving inner and outer ear deformity, eye movement disorder, deafness, cardiovascular malformations and other anomalies. The range and severity of symptoms is variable.
• Bosma-Henkin-Christiansen syndrome: A rare syndrome characterized mainly by a reduced sense of smell, an underdeveloped nose and hypogonadism.
• Boston Ivy poisoning: The leaves of the Boston Ivy plant oxalates which is toxic to humans. The severity of symptoms depends on the quantity of leaves consumed. Skin symptoms can also occur if the skin comes into contact with the leaves.
• Bosviel syndrome: A rare condition where a blood blister on the uvula ruptures. It often occurs as a complication of tracheal intubation.
• Bothnia retina dystrophy: A genetic eye disease which occurs predominantly in a part of Sweden.
• Bothriocephalosis: Infection with an intestinal parasite. The parasite is a fish tapeworm called Diphyllobothrium latum. Human infection is caused by eating undercooked contaminated fish.
• Botulism food poisoning: Extremely dangerous food poisoning requiring medical attention, but not always recognized because of its non-abdominal symptoms.
• Boucher-Neuhauser syndrome: A very rare disorder characterized by spinocerebellar ataxia, eye abnormalities and a failure of the pituitary to stimulate gonadal development during puberty.
• Boutonneuse fever: An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and the incubation period is usually between 6 and 10 days.
• Boutonniere deformity: Finger abnormality where the first part of a joint extends one way and the next joint flexes the other way - often associated with injury or rheumatoid arthritis.
• Bovine Albumin Anaphylaxis - Teratogenic Agent: Experimental studies on mice indicate that the use of Bovine Albumin Anaphylaxis during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bovine spongiform encephalopathy: This is a medical condition caused by the transmission of an infective prion causing an encephalopathy
• Bowel bypass syndrome: Negative effects such as chills, fever, jont pain and skin inflammation that may result from bowel bypass surgery.
• Bowel obstruction: A condition which is characterized by the obstruction of the gastrointestinal system
• Bowel-associated dermatosis-arthritis syndrome: An illness that sometimes occurs in people with gastrointestinal diseases. It is believed to be caused by a build up of bacteria in a pouch in the bowel which triggers the immune system into action.
• Bowen's disease: Intraepiderman form of squamous cell skin cancer cause by sun damage to skin.
• Bowen-Conradi Syndrome: A very rare inherited disorder characterized by low birth weight, small head, facial anomalies and failure to thrive.
• Bowenoid Papulosis: Benign reddish-brown papules occurring primary in the genetalia believed to be viral in origin.
• Bowing of Long Bones, Asymmetrical and Symmetrical: A very rare syndrome characterized by bowed long bones, unusual skull appearance and wide-set eyes.
• Bowing of legs, anterior, with dwarfism: A very rare syndrome characterized primarily by dwarfism and bowed lower leg bones. Only one or two reported cases of the condition.
• Bowing of long bones congenital: A rare congenital disorder where the long bones in the arms and legs are abnormally bowed or shortened. The most common bones involved are the thigh, shin and forearm (ulna) bones. The deformity is often associated with other abnormalities.
• Bowing, congenital, short bones: A rare syndrome characterized mainly by broad, bowed bones affecting mainly the thigh bone and upper arm bones.
• Bowler's finger syndrome: A condition that occurs in bowlers and involves a lump at the base of the thumb and sore, stiff joints in some of the fingers.
• Box Jellyfish poisoning: A sting from the Box jellyfish contains a chemical which is toxic to the nerves, heart and skin. This jellyfish is mainly found in the waters of Northern Queensland in Australia. The tentacles should not be removed from the patient as it can cause further injection of poison.
• Box thorn poisoning: The leaves of the Box thorn plant contain a toxic chemical called atropine and possibly other toxic compounds. The box thorn plant is a spiny-stemmed shrub which originated in Europe. Symptoms can be quite serious depending on the quantity of the plant ingested.
• Boxwood poisoning: The boxwood is an evergreen, woody, flowering shrub often used as a hedge. The leaves contain steroidal alkaloids which can cause skin irritation upon skin contact with the sap or various other symptoms if eaten. The plant is considered to have a relatively low level of toxicity.
• Boyd-Stearns syndrome: A rare syndrome associated with various metabolic disorders such as glycosuria, acidosis, albuminuria and hypochloremia. Symptoms include rickets during infancy, short stature, low blood phosphate levels, malnutrition and osteoporosis.
• Boylan-Dew-Greco syndrome: A very rare syndrome characterized primarily by insufficient myelination of peripheral nerves and contractures at birth. The myelin sheath is a protective coating around nerves.
• Brachial Neuritis: Condition where there is a sudden onset of shoulder weakness and pain, thought to be due to a viral infection of the nerve roots in the cervical spine
• Brachio-Skeletal-Genital Syndrome: A very rare syndrome described in three siblings of related parents. The offspring had skull, skeletal and genital abnormalities.
• Brachioradial pruritus: A condition characterized by itching, burning and other sensations of the skin on one or both arms. The skin has no visible evidence of the skin unless the patient causes damage to the skin due to scratching or rubbing. The condition results from nerve damage. It is believed that in some cases the condition arises from nerve damage due to excessive sun exposure. Thus the outer parts of the arm (which tend to receive more sun) tend to be more affected than the inner parts of the arm. In other people, damage to the nerves in the neck from such things as compression or a spinal tumor may also result in the condition.
• Brachioskeletogenital syndrome: A rare syndrome characterized by
• Brachmann-De Lange Syndrome: A rare congenital disorder characterized by very small stature, synophrys, thin downturning upper lip and micromelia.
• Brachycephalofrontonasal dysplasia: A very rare syndrome characterized primarily by widely spaced eyes and other head and face abnormalities.
• Brachycephaly - deafness - cataract - mental retardation: A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation.
• Brachycephaly - deafness - cataract - microstomia - mental retardation: A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation.
• Brachydactylous dwarfism, Mseleni type: A very rare syndrome characterized primarily by progressive joint disease, short stature and short fingers and toes. The joint disease affects mainly the hips, knees, ankles and spine. The condition can eventually lead to disability and hip and/or knee replacements in serious cases.
• Brachydactyly - absence of distal phalanges: A rare hand malformation involving short digits and the absence of the end bones in the digits.
• Brachydactyly - anonychia: A rare syndrome characterized by short toes and nail abnormalities.
• Brachydactyly - arterial hypertension: A rare syndrome characterized by the association of hypertension with short digits. Premature death (by the fifth decade) due to stroke occurs in untreated patients.
• Brachydactyly - elbow, wrist dysplasia: A very rare syndrome characterized by elbow and wrist abnormalities and short end bones of fingers.
• Brachydactyly - mesomelia - mental retardation - heart defects: A rare genetic disorder characterized by mental retardation, heart defects, short digits and short limbs.
• Brachydactyly - scoliosis - carpal fusion: A rare genetic disorder characterized by short fingers and toes, scoliosis (curved spine) and fused hand bones.
• Brachydactyly - tibial hypoplasia: A rare syndrome characterized by short digits and an underdeveloped or absent shin bone.
• Brachydactyly nystagmus cerebellar ataxia: A very rare syndrome characterized mainly by short digits, nystagmus and cerebellar ataxia.
• Brachydactyly preaxial with hallux varus and thumb abduction: A rare digital anomaly characterized by short thumbs and big toes which are also abducted (angled away from the foot or hand).
• Brachydactyly type A1: A rare inherited malformation characterized primarily by shortness or absence of middle bones of fingers and toes.
• Brachydactyly type A2: A very rare digital anomaly characterized by shortened middle bones of the second finger (index finger) and second toe. These fingers and toes are also often angled abnormally.
• Brachydactyly type A3: A hand malformation characterized by a short middle bone of the fifth finger and this finger usually bends towards the fourth finger.
• Brachydactyly type A6: A rare limb malformation disorder characterized by underdeveloped or absent middle bones in fingers and toes as well as shortened limbs and short stature.
• Brachydactyly type B: A form of finger deformity characterized by absent or underdeveloped end and middle bones of fingers and toes as well as absent or underdeveloped nails.
• Brachydactyly type C: A rare malformation characterized primarily by variable deformities involving the two sections closest to the hand of the second and third fingers.
• Brachydactyly type D: A digital defect where the ends of the thumbs and toes are abnormally short and broad.
• Brachydactyly type E: A rare condition characterized by short metacarpals and metatarsals - hand bones that lead to the fingers.
• Brachydactyly types B and E combined: A rare hand anomaly characterized by shortening of one or more metacarpals (hand bones) as well as an underdeveloped end bone in the little finger
• Brachydactyly with hypertension: A very rare disease characterized by the association of hypertension with brachydactyly (abnormally short fingers and/or toes).
• Brachydactyly, absent pectoral muscles and agenesis/hypoplasia of kidneys: A rare syndrome characterized by short digits, absent chest muscles and absent or underdeveloped kidneys.
• Brachydactyly, long thumb type: A rare digital anomaly characterized by short fingers and a long thumb.
• Brachydactyly, mesomelia, mental retardation, aortic dilation, mitral valve prolapse and characteristic face: A rare syndrome characterized by short digits, short limbs, mental retardation, aortic dilation, mitral valve prolapse and a characteristic face.
• Brachydactyly, type A5, nail dysplasia: A rare digital anomaly where the middle bones of the second to fifth fingers are missing and the nails are abnormal.
• Brachydactyly, type B2: A rare dominantly inherited hand and foot malformation involving varying degrees of absence or underdevelopment of the ends of the fingers and toes as well as fusion of bones in the wrist and ankle.
• Brachydactyly, type a7: A hand abnormality where involving short second digits and dislocated thumbs.
• Brachymesomelia-renal syndrome: A rare syndrome characterized by kidney abnormalities and forearm and lower leg deformity. The condition describes a single reported case.
• Brachymesophalangy 2 and 5: A rare genetic disorder characterized by short middle bones of the second and fifth fingers and toes.
• Brachymetapody, anodontia, hypotrichosis, albinoidism: A rare syndrome characterized by short foot bones, total absence of teeth, reduced amount of hair and lack of skin pigmentation.
• Brachymetatarsus IV: A rare birth defect where the fourth toe (next to the smallest toe) is abnormally short. The shortness of the toe is actually due to a short foot bone that leads to the fourth toe.
• Brachyolmia, recessive Hobaek type: A rare bone disorder characterized by a short trunk dwarfism.
• Brachyphalangy, polydactyly, and tibial aplasia/hypoplasia: A rare syndrome characterized mainly by short digits, extra digits and a small or absent shin bone.
• Brachyrachia: A rare inherited spine condition characterized by dwarfism due to a short spine.
• Brachytelephalangy, characteristic facies, Kallmann: A very rare syndrome characterized primarily by very short end bones of fingers and facial anomalies.
• Bradbury-Eggleston syndrome: A syndrome mainly involving reduced blood pressure, lightheadedness or fainting on standing, dizziness and visual disturbances that is associated with a degeneration of the autonomic nerve system. It is most common in older males. Symptoms tend to be worse in the morning, after eating, after exercise or in hot weather.
• Braddock Jones Superneau syndrome: A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the brain and interferes with the movement of fluid through the brain resulting in an accumulation of fluid.
• Bradykinesia: A condition which is characterized by abnormal slowness of movement
• Bradykinin - Teratogenic Agent: Experimental studies on mice indicate that the use of Bradykinin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
• Bradyopsia: An eye anomaly which causes difficulty in adjusting to changes in brightness, light sensitivity and sometimes impaired sharpness of vision.
• Brailsford: A rare inherited skeletal disorder characterized by short hand and foot bones which may also be deformed. Other anomalies are also present.
• Brain - bone - fat: A rare inherited disease characterized by bone cysts and progressive presenile dementia.
• Brain Concussion: Trauma resulting in minor injury to the brain which causes a period of interrupted brain function. Simple concussions resolve themselves in about a week whereas more serious ones have persisting symptoms. The onset of symptoms may be delayed.
• Brain Fag syndrome: A type of neurotic disorder that was first observed in white collar workers in Africa.
• Brain Stem Neoplasms: A brain stem tumor. The tumor may be malignant or benign and the severity of the condition is determined by the size of the tumor and exact location.
• Brain abscess: abscess in the brain may involve any of the lobes of the brain
• Brain conditions: Medical conditions that affect the brain
• Brain malformation - congenital heart disease - postaxial polydactyly: A very rare syndrome characterized mainly by a brain defect, congenital heart disease and extra fingers.
• Brain symptoms: Symptoms affecting the brain
• Brain tumor, adult: A growth or tumor that develops in the tissues of the brain in adults. The tumor can be benign or malignant.
• Branchial arch syndrome X-linked: A rare syndrome characterized by a range of abnormalities such as facial anomalies, impaired hearing, short stature, learning disability and branchial arch defects.
• Branchial clefts with characteristic facies, growth retardation, imperforate nasolacrimal duct, and: A rare genetic disorder characterized by branchial defects, tear duct obstruction and pseudocleft of upper lip.
• Branchio oculo facial syndrome Hing type: A rare inherited disorder characterized by ear, eye and facial anomalies.
• Branchio-Oculo-Facial Syndrome: A rare genetic disorder characterized by branchial defects, lacrimal duct obstruction and pseudocleft of upper lip.
• Branchio-oto-renal (BOR) syndrome, type 2: A rare genetic disorder characterized by abnormal kidney development and varying degrees of hearing impairment. Type 2 involves a defect on the SIX5 gene on chromosome 19q13.3.
• Branchio-otoureteral syndrome: A rare syndrome characterized mainly by ear and ureter abnormalities.
• Branchio-skeleto-genital syndrome: A rare inherited disorder characterized by mental retardation, jaw anomalies, cleft palate, sunken chest and other abnormalities.
• Branchiootic syndrome: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset.
• Branchiootic syndrome 1: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 1 is caused by a defect on the EYA1 gene on chromosome 8q13. It is similar to the branchio-oto-renal syndrome except it doesn't involve any kidney abnormalities.
• Branchiootic syndrome 2: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 2 is caused by a defect chromosome 1q31. It is similar to the branchio-oto-renal syndrome except it doesn't involve any kidney abnormalities.
• Branchiootic syndrome 3: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 3 is caused by a defect chromosome 14q23. It is similar to the branchio-oto-renal syndrome except it doesn't involve any kidney abnormalities.
• Braun-Bayer syndrome: A familial disorder involving deafness, split uvula, short thumbs and toes and kidney problems.
• Breakdance back syndrome: Difficulty bending over and lower back pain caused by breakdancing.
• Breast Duct Papilloma: Tumour of the collecting duct of the breast; may be benign or malignant.
• Breast Milk Jaundice: Jaundice in an infant caused by the presence of a particular substance in the mother's breast milk which leads to high bilirubin levels in the infant. The condition tends to run in families. The jaundice tends to persist up to six weeks after birth.
• Breast abscess: The presence of an abscess which has formed within the breast
• Breast cancer: A condition which is characterized by the presence of malignant tissue within breast tissue
• Breast cancer stages: 0, I, II, III, IV: Cancer stage is based on the size of the tumor, whether the cancer is invasive or non-invasive, whether lymph nodes are involved, and whether the cancer has spread beyond the breast.

  Stage 0- is used to describe non-invasive breast cancers, such as DCIS and LCIS. In stage 0, there is no evidence of cancer cells or non-cancerous abnormal cells breaking out of the part of the breast in which they started, or of getting through to or invading neighboring normal tissue.

  Stage 1- describes invasive breast cancer (cancer cells are breaking through to or invading neighboring normal tissue) in which the tumor measures up to 2 centimeters and no lymph nodes are involved.

  Stage 2- Stage 2 is divided into subcategories known as 2A and 2B.

  Stage 2A- No tumor can be found in the breast, but cancer cells are found in the axillary lymph nodes (the lymph nodes under the arm).

  Stage 2B- the tumor is larger than 2 but no larger than 5 centimeters and has spread to the axillary lymph nodes.

  Stage 3- Stage III is divided into subcategories known as IIIA, IIIB, and IIIC.

  Stage 3A- no tumor is found in the breast. Cancer is found in axillary lymph nodes that are clumped together or sticking to other structures, or cancer may have spread to lymph nodes near the breastbone.

  Stage 3B- the tumor may be any size and has spread to the chest wall and/or skin of the breast

  Stage 3C- there may be no sign of cancer in the breast or, if there is a tumor, it may be any size and may have spread to the chest wall and/or the skin of the breast, and the cancer has spread to lymph nodes above or below the collarbone.

  Stage 4- the cancer has spread to other organs of the body -- usually the lungs, liver, bone, or brain.

• Breast, unilateral giant: The enlargement of one breast not associated with any disease processes. The anomaly is believed to be inherited.
• Breisky disease: A progressive wasting disease of the vulva that occurs in postmenopausal women and is probably caused by hormonal imbalance.
• Brennemann syndrome: A condition that can occur in young children after a respiratory tract infection. It primarily involves inflammation and swelling of the lymph glands in the abdomen, fever, vomiting and nausea.
• Brenner tumor of the vagina: A Brenner tumour usually occurs in the ovaries but can sometimes occur in the vagina. The tumor is generally benign.
• Brevibloc - Teratogenic Agent: There is evidence to indicate that exposure to Brevibloc (a heart drug) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Breynia officinalis poisoning: Ingestion of the Breynia officinalis plant can cause irritation to mucosal linings and liver problems. The plant is often used as a herbal drug (Chi R Yun) to treat such things as poor growth, heart failure and venereal disease.
• Bright's Disease: A condition where the parts of the kidneys that are responsible for filtering become inflamed and results in blood and proteins accidentally leaking into the urine. The condition can occur after certain infections and serious kidney dysfunction can result in severe or chronic complications.
• Brill disease: A form of recurring typhus caused by a bacterium called Rickettsia prowazekii and transmitted by lice. The illness may occur years after the initial sickness and tends to be not as severe.
• Brinton disease: Thickening and hardening of the stomach wall usually associated with diffuse stomach cancer or damage due to the consumption of caustic soda.
• Briquet syndrome: A rare, chronic mental disorder characterized mainly by often claiming to have constant physical illness when none is able to be detected. It most often occurs in young females.
• Brissaud-Marie syndrome: A rare disorder characterized by symptoms similar to those caused by neurological diseases but there is no physical evidence to confirm neurological involvement. The symptoms are not feigned or intentionally produced.
• Bristleworm poisoning: Bristleworms are a type of marine worm covered in bristles which they can use to sting. The bristles are strong enough to break human skin and cause symptoms.
• Bristowe's syndrome: Symptoms caused by a brain tumor that develops in the corpus callosum which connects the two brain hemispheres.
• Brittle bone syndrome lethal type: A rare form of brittle bone disease caused by abnormal collagen production which results in weak bones which break easily. The condition can result in death, especially during the process of birth which can result in multiple severe fractures.
• Brittle hair - mental deficiency: A rare inherited disease characterized by brittle hair, mental retardation and fragile nails.
• Broad bean poisoning: The broad bean is a vine which produces pea-like flowers and long, seed-filled pods. The seeds can be very toxic and can result in death if eaten. This toxic reaction only occurs to certain susceptible people who are unable to process certain chemicals in the plant. The resulting condition is called favism and is most common in people of Mediterranean descent.
• Broad beta disease: An inherited condition involving a defect in the transport of lipids which causes the development of lipid deposits (xanthomas) under the skin in certain parts of the body.
• Broberger-Zetterström syndrome: A type of chronic bone abscess where a infected bone forms a pus-filled cavity. The abscess may cause no symptoms for many years.
• Brodie knee: Chronic inflammation of the knee joint.
• Brody myopathy: A form of neuromuscular disease caused by a genetic defect. The muscles have difficulty relaxing after exercise or strong movements such as making a fist or forcefully closing eyes.
• Broken Collarbone: Fractured collarbone (clavicle)
• Broken elbow: Fracture at the elbow joint
• Broken finger: Fracture of a finger bone
• Broken foot: Fracture of one or more foot bones
• Broken hand: Fracture of one or more bones in the hand
• Broken jaw: Fracture of the jaw bone (mandible)
• Broken leg: Fracture of a bone in the upper or lower leg
• Broken nose: Fracture of the nose
• Broken shoulder blade: Fracture of the shoulder blade bone (scapula)
• Broken toe: Fracture of a bone in a toe
• Bromides - Teratogenic Agent: There is strong evidence to indicate that exposure to Bromides during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bromidrosiphobia: An exaggerated or irrational fear of having unpleasant body odor.
• Bromocriptine - Teratogenic Agent: There is strong evidence to indicate that exposure to Bromocriptine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Bronchial adenomata syndrome: A type of bronchial tumor that causes various respiratory symptoms.
• Bronchiectasis - oligospermia: A rare syndrome characterized by the association of bronchiectasis (enlarged bronchial airways) and a defect in the sperm ducts which affects the number of sperm produced. Patients suffer frequent bacterial infections.
• Bronchioalveolar Carcinoma: Bronchioloalveolar carcinoma (BAC) is a rare type of lung cancer, it is a sub-type of lung adenocarcinoma
• Bronchiolitis: A condition which is characterized by inflammation of the bronchioles
• Bronchiolitis obliterans organizing pneumonia: Inflammation of lung tissue (bronchioles and surrounding tissue) which may occur on its own or as a result of other conditions such as certain infections.
• Bronchiolitis obliterans with obstructive pulmonary disease: A rare condition involving the inflammation and thickening of the internal lung structures (bronchioles) which affects breathing. It can be triggered by certain infections, drug reactions or for no obvious reason. The condition often progresses to cause serious respiratory problems or even death though the rate of disease progression is variable.
• Bronchitis: Inflammation of the bronchi as a symptom
• Bronchogenic carcinoma: When cells of the lung start growing rapidly in an uncontrolled manner, the condition is called lung cancer .
• Bronchopulmonary amyloidosis: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the bronchopulmonary form, the amyloid deposits occur mainly in the lungs.
• Bronchopulmonary dysplasia: A condition which is characterized by dysplasia of the brochopulmonary vessels
• Brontophobia: An exaggerated or irrational fear of thunder and thunderstorms.
• Brooke-Fordyce trichoepitheliomas: A rare condition characterized by the development of multiple little tumors on the nasolabial area. Tumors close together may merge and ulcerate or become infected. The tumors usually start after the first decade and continue to grow slowly in size and number.
• Brosnan Syndrome: A very rare syndrome described in two sisters. The condition involved a variety of abnormalities including short stature and kidney and reproductive anomalies.
• Brown Recluse spider poisoning: The Brown Recluse spider is poisonous and is found mainly in southern and central areas of the US.
• Brown snake poisoning: The Brown snake is a poisonous Australian snake. They are considered one of the most venomous snakes in the world and their bite can result in death without prompt medical attention. The snake venom contains toxins which affect the blood and nerve systems. Children tend to suffer more severe symptoms due to their smaller body size.
• Brown syndrome: A rare eye disorder characterized by inability to move the affected eye upwards due to an abnormality in the muscle that controls the eye movement. The condition may be congenital or result from an underlying condition or an injury.
• Brown-McLean syndrome: Swelling around the cornea following cataract removal.
• Brown-Sequard Syndrome: A disorder where spinal cord compression and lesions involve only half of the spinal cord.
• Brown-Symmers disease: A rare form of brain inflammation that occurs in children and can quickly lead to death. Symptoms usually start suddenly.
• Brown-Vialetto-Van Laere syndrome: A very rare progressive disorder characterized by nerve deafness and cranial (and sometimes spinal) nerve paralysis.
• Brucellosis: An infectious disease caused by the Brucella genus which is transmitted from animals to humans.
• Bruch's disease: An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and the incubation period is usually between 6 and 10 days.
• Bruck syndrome: A very rare syndrome characterized primarily by weak, brittle bones and abnormal knee, ankle and foot joints (congenital contractures) at birth. There are two different subtypes of the disorder, each with a different genetic defect origin.
• Bruck syndrome 1: A very rare syndrome characterized primarily by weak, brittle bones and abnormal knee, ankle and foot joints (congenital contractures) at birth.
• Bruck syndrome, 2: A very rare syndrome characterized primarily by limited joint extension (congenital contractures), weak fragile bones and webbed skin at elbows and knees.
• Brugada Syndrome: A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. The condition may be inherited in some cases. The mean age of sudden death is 40 years of age.
• Brugada syndrome 1: A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. Type 1 is caused by a mutation in the SCN5A gene on chromosome 3p21. Symptoms most often occur during the night and the condition is most prevalent in Japan and Southeast Asia.
• Brugada syndrome 2: A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. Type 2 is caused by a mutation in the GPD1L gene on chromosome 3p22.3. Symptoms most often occur during the night and the condition is most prevalent in Japan and Southeast Asia.
• Brugada syndrome 3: A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. Type 3 is caused by a mutation in the CACNA1C gene on chromosome 12p13.3. Symptoms most often occur during the night and the condition is most prevalent in Japan and Southeast Asia.
• Brugada syndrome 4: A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. Type 14 is caused by a mutation in the CACNB2 gene on chromosome 10p12. Symptoms most often occur during the night and the condition is most prevalent in Japan and Southeast Asia.
• Brugsch's syndrome: A rare syndrome characterized by small hands and feet as well as thickened skin on the hands, feet, scalp and face.
• Brun's syndrome: Various neurological symptoms caused by an obstruction of the flow of cerebrospinal fluid with certain head postures. The obstruction is often due to some sort of brain tumor or cyst. Symptoms come and go depending on the position of the head.
• Bruns-Garland syndrome: Spinal cord damage that occurs in some diabetics and results in weakness and wasting in the arms and legs.
• Brunzell syndrome: A rare recessively inherited syndrome characterized by a lack of skin fat (Seip syndrome), cystic angiomatosis of the long bones which can lead to fractures.
• Brushfield-Wyatt syndrome: A rare syndrome characterized mainly by mental deficiency, weakness on one side of the body and large port-wine stains that cover about a third of the skin's total surface. This condition may be a variant of another condition called Sturge-Weber syndrome.
• Bruyn-Scheltens syndrome: A rare syndrome characterized by limb weakness and muscle wasting in the hands and feet.
• Bubble bath allergy: An immune-mediated reaction to exposure to bubble bath solutions. Bubble bath allergy tends to be more common in children and symptoms can vary in nature and severity.
• Bubonic plague: Severe flea-borne bacterial disease
• Buckeye poisoning: Buckeye is a shrub or small tree which contains a toxic compound called aesculin that can cause gastrointestinal or neuromuscular symptoms. Young leaves, flowers and bark are the most toxic parts of the plant. The plant is most common in parts of North America. Eating only one or two seeds may simply cause vomiting or diarrhea but repeated exposure or eating large amounts can cause more serious symptoms.
• Buckwheat poisoning: Buckwheat is a herbaceous plant which bears fruits that can be dried and made into a flower. Some people are susceptible to certain chemicals (fagopyrin) in the plant and exposure to direct sunlight after eating the fruit results in skin irritation. Generally a large amount must be eaten to elicit such a reaction.
• Budd chiari syndrome: A disorder where the main vein leaving the liver becomes blocked leading to symptoms such as liver enlargement and fluid buildup in the abdomen. Also called Chiari's syndrome or Rokitansky's disease.
• Budesonide - Teratogenic Agent: There is strong evidence to indicate that exposure to Budesonide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Buerger's disease: Buergers's disease is a recurring inflammation and thrombosis (clotting) of small and medium arteries and veins of the hands and feet
• Buffalo nut poisoning: The buffalo nut is a deciduous flowering shrub. It grows mainly in mountainous areas. The seeds contain chemicals which can cause toxicity if large quantities are eaten.
• Buffalo pea poisoning: The buffalo pea is a poisonous plant which contains a toxic compound called quinolizidine alkaloid. The plant is mainly found in Western Canada.
• Bufotenine poisoning: The skin glands of certain toads (Cane toad and Colorado river toad) contain a poison called bufotoxin.
• Bulimia nervosa: Eating disorder with binging (overeating) and purging (vomiting).
• Bullis fever syndrome: A disease transmitted through tick bites (Ambylomma americanum). Symptoms include fever, rash and headache. The disease was first observed in soldiers training at Camp Bullis in America.
• Bullous dystrophy, macular type: A rare condition characterized by loss of scalp hair, increased skin pigmentation, small head, mental retardation, short stature and blisters. The blisters do not form necessarily on skin that has suffered trauma but occurs spontaneously.
• Bullous pemphigoid: An autoimmune disease characterized by chronic itchy blistering of the skin. Also called pemphigoid.
• Bullous systemic lupus erythematosus: A blistering disease that can develop in patients with systemic lupus erythematosus (SLE). The process is mediated by autoantibodies.
• Bullrout. poisoning: Bullrout are a fish that tends to live in rocky, weeded area of coastal streams and estuaries. They have spines which can deliver a painful sting. People are most often stung when they accidentally step on the fish.
• Bundle Branch Block: An electrical fault in the heart where the electrical signals are blocked or slowed as they try to enter the bundle branches.
• Buntinx-Lormans-Martin syndrome: A very rare syndrome characterized mainly by eye anomalies and fusion of the forearm bones.
• Buprenorphine - Teratogenic Agent: There is strong evidence to indicate that exposure to Buprenorphine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Burkitt's lymphoma: A rare type of non-Hodgkin's lymphoma that occurs mostly in African children and is often initiated by the Epstein-Barr virus. Also called African lymphoma or Burkitt's tumor.
• Burn-McKeown syndrome: A rare genetic disorder characterized by choanal atresia (narrowing or blockage of nasal airway), deafness, heart defects and eye, ear and facial anomalies.
• Burnett's milk drinker's syndrome: Burnett's milk drinker's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid remedies. High vitamin D intake can make the condition worse. The people most at risk of this condition tend to be older people (especially women) who are taking calcium supplements as well as calcium carbonate containing remedies to treat dyspepsia.
• Burnett's syndrome: Burnett's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid remedies. High vitamin D intake can make the condition worse. The people most at risk of this condition tend to be older people (especially women) who are taking calcium supplements as well as calcium carbonate containing remedies to treat dyspepsia.
• Burnett-Schwartz-Berberian syndrome: A rare syndrome characterized by an inflammatory facial skin disorder and various congenital anomalies.
• Burning bush poisoning: The burning bush is a shrub that has bright red leaves in autumn and bears red berries. The plant contains toxic chemicals such as lobelamine and lobeline which can cause symptoms if eaten in large quantities.
• Burning feet syndrome: Abnormal burning and stinging sensations in the feet which may be accompanied by redness and swelling. It may be caused by factors such as kidney failure, liver damage, thyroid problems, blood disorders, nerve damage, fungal infections, chronic alcoholism and ill-fitting shoes. In some cases, the eyes may also be affected
• Burning mouth syndrome, Type 1: A rare condition where there is a burning sensation in the mouth and tongue. Type 1 describes mouth burning that may be absent on waking but gets worse during the day. This type is often linked to conditions such as diabetes and nutritional deficiencies.
• Burning mouth syndrome, Type 2: A rare condition where there is a burning sensation in the mouth and tongue. Type 2 describes constant mouth burning that does not fluctuate during the day. This form is often linked to reduced salivary gland functioning due to antidepressant use.
• Burning mouth syndrome- Type 3: A rare condition where there is a burning sensation in the mouth and tongue. Type 3 describes mouth burning that comes and goes during the day and is often linked to anxiety and allergies (especially food additives).
• Burnout syndrome: Severe stress caused by work-related physical or mental trauma.
• Burns: Injury from burns and scalds.
• Bursitis: inflammation of one or more bursae (small sacs) of synovial fluid in the body.
• Buruli ulcer: Infection by a bacterium called Mycobacterium ulcerans. The infection is most common in tropical and subtropical climates. The method of transmission is uncertain but the bacteria can enter the skin if it is broken (e.g. a cut) or it may possibly be transmitted by certain African aquatic insects or mosquitoes. The ulcers may become deep enough to affect the bone and can thus result in disability or deformity.
• Buschke Ollendorff syndrome: A rare condition involving elastin abnormalities and characterized by a mottled bone appearance and yellowish skin papules
• Buschke-Lowenstein Tumor: A low grade wart-like tumor believed to be caused by HPV (human papilloma virus) infections. The tumor is occurs in the genital area and there is still some contention about whether the tumor is benign or borderline cancerous.
• Bushmaster poisoning: The Bushmaster is a poisonous snake found in America.
• Busulfan - Teratogenic Agent: There is strong evidence to indicate that exposure to Busulfan during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Busulfan toxicity syndrome: Symptoms caused by the use of a chemotherapy drug called Busulfan.
• Butoconazole - Teratogenic Agent: There is strong evidence to indicate that exposure to Butoconazole during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Butriptyline - Teratogenic Agent: There is strong evidence to indicate that exposure to Butriptyline during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Buttercup poisoning: The buttercup plant contains a toxic compound called protoanemonin. The plant is most toxic while it is flowering with the sap being poisonous portion of the plant. Poisoning by eating the plant is unlikely due to the fact that skin contact is quite painful.
• Buttiens-Fryns syndrome: A rare genetic disorder characterized by a small jaw, small mouth and defects involving the hands and feet.
• Butyrylcholinesterase deficiency: A metabolic disorder involving an enzyme (butyrylcholinesterase) deficiency. It results in prolonged recovery from the effects of certain anesthetics such as succinylcholine and mivacurium which are muscle relaxants. The severity of the deficiency will determine the length of time taken to recover from anesthetic. In severe cases, patients can take more than 8 hours to recover.
• Byssinosis: An occupational lung disease caused by an allergic reaction to the components of cotton. Causes symptoms such as coughing, wheezing and shortness of breath.
• Bywaters' syndrome: A trauma or accident involving the crushing of soft tissues and associated symptoms. Severe cases can result in death.
• Bárány syndrome: A rare syndrome characterized by various symptoms associated with a headache that occurs on one side of the back of the head.
• Bäfverstedt syndrome: A rare type of benign tumor that tends to recur and appears mainly on the face, ears, scrotum and nipples.
• Bébé Collodion syndrome: A rare birth abnormality where an infant is born covered in a tight, yellow, shiny membrane. The membrane peels off and may reform several times. As the membrane dries it can leave crack which can result in infection, dehydration or inability to control body temperature. The tight skin can also affect breathing and feeding ability or impair blood supply to limbs. In mild cases the underlying skin may be normal. 10% of cases resolve themselves within a few weeks of birth.
• Böök syndrome: A rare inherited condition characterized by the lack of some or all of the tricuspid teeth, premature graying of hair and excessively sweaty palms and soles.
• C Syndrome: A rare inherited disorder characterized by a triangular-shaped head, facial anomalies, joint contractures and loose skin.
• C-like syndrome: A rare disorder involving poor fetal growth, limb and facial defects and severe developmental delay.
• C1esterase deficiency: C1esterase deficiency is a condition characterized by swelling under the skin or mucosal tissue - the skin, respiratory tract or gastrointestinal tract may be affected. The condition may be inherited or acquired. Symptoms tend to develop over a few days and then abate after two to five days. Swelling attacks may occur fairly regularly e.g. weekly or sporadically e.g. once or twice a year.
• CACH syndrome: A rare syndrome characterized mainly by childhood ataxia and reduced myelination of the cerebral nerves. Motor and mental development in the first few years of life is normal with progressive neurodegeneration occurring between 2 and 5 years of age. Fever and trauma to the head can speed up disease progression.
• CAHMR syndrome: A rare genetic disorder characterized mainly by excessive body hair (especially on the back, shoulders and sides of the face), cataracts and mental retardation.
• CAMFAK syndrome: A rare syndrome characterized by cataracts, small head, failure to thrive and spinal curvature.
• CANOMAD syndrome: A rare syndrome characterized by a range of abnormalities caused by immune-mediated nerve demyelination. There is usually no loss of limb function associated with the disorder. The face, throat, mouth and eye symptoms (weakness of the muscles) usually come and go.
• CAR syndrome: A progressive autoimmune eye disease caused by cancer that occurs outside the eye area. It is a type of paraneoplasic cancer which refers to distant neurological effects caused by a cancer. Eye symptoms usually occur before the cancer is detected.
• CATCH 22: A term used to describe a group of disorders resulting from a deletion on chromosome 22q11 and involving heart and face abnormalities, T cell deficit due to an underdeveloped thymus, cleft palate, low blood calcium due to hypothyroidism. This term tends to include disorders such as Shprintzen syndrome, velocardiofacial syndrome, DiGeorge syndrome and Takao syndrome.
• CCF: When the heart is no longer able to pump enough blood to meet the needs of the body.
• CCFDN: A rare, recessively inherited syndrome characterized by cataracts during infancy, unusual facial appearance and neuropathy.
• CD3 deficiency: Deficiency of a T-cell antigen receptor complex which results in mild combined immunodeficiency.
• CDG syndrome (generic term): Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. The main symptom in all the disorders is psychomotor retardation but other variable symptoms also occur depending on the subtype of the disorder.
• CDG syndrome type 1A: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervous system and liver function.
• CDG syndrome type 1B: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1B has a phosphomannose isomerase enzyme defect.
• CDG syndrome type 3: Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 3 has variable symptoms.
• CDG syndrome type 4: Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 4 is caused by a genetic defect which involves the gene for a particular enzyme (dolichyl-P-mannose:Man-5-GlcNAc-2-PP-dolichyl-mannosyltransferase).
• CDG syndrome type I: A rare genetic disorder where the body is unable to synthesize glycoproteins which results in multisystem problems.
• CDG syndrome type Ic: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1C has a differs from the other subtypes by the type of enzyme which is deficient.
• CDK4 linked melanoma: A mutation in the CDK4 gene can cause an increased susceptibility to melanomas.
• CFS subtype 1 (cognitive, musculoskeletal, sleep, anxiety/depression): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 1 tends to be more severe with the dominant symptoms being anxiety, depression and cognitive, musculoskeletal and sleeping problems.
• CFS subtype 2 ( musculoskeletal, pain, anxiety/depression): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 2 tends to be more severe with the dominant symptoms being anxiety, depression, pain and musculoskeletal problems.
• CFS subtype 3 (mild): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 3 tends to have milder symptoms than other subtypes.
• CFS subtype 4 (cognitive, musculoskeletal, sleep, anxiety/depression): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 4 tends to be dominated by cognitive symptoms.
• CFS subtype 5 (musculoskeletal, gastrointestinal): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 5 tends to be dominated by musculoskeletal and gastrointestinal symptoms.
• CFS subtype 6 (postexertional): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 6 tends to be dominated by excessive fatigue following exertion.
• CFS subtype 7 (pain, infectious, musculoskeletal, sleep, neurological, gastrointestinal, neurocognitive, anxiety/depression): Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition. There is no known cause but it appears to be associated with a previous infection in some cases. CFS subtype 7 tends to be more severe with the dominant symptoms being pain, infections, anxiety, depression and musculoskeletal, sleep, neurological, gastrointestinal and neurocognitive problems.
• CHARGE Syndrome: A rare disorder characterized by choanal atresia, coloboma, ear and genital abnormalities and congenital heart defects.
• CHILD syndrome ichthyosis: A rare genetic disorder characterized by unilateral hypomelia, underdeveloped skin and heart defects.
• CIN: A premalignant condition of the cervix that can progress into cervical cancer.
• CML-Like Syndrome, Familial: A very rare condition characterized by symptom similar to myelocytic leukemia that develop during infancy. The condition can result in death during the first years of life.
• CMV antenatal infection: A rare condition where a fetus becomes infected with the cytomegalovirus through the mother.
• COACH syndrome: A very rare syndrome characterized by ataxia, gaps or holes in various eye structures, mental retardation, liver fibrosis and brain abnormalities.
• COPD: Severe obstruction of bronchial air flow typically from bronchitis and/or emphysema.
• $CRAPB$: A rare inherited eye disorder involving slow-progressing chorioretinal damage which leads to vision impairment.
• CREST syndrome: Group of symptoms usually related to systemic sclerosis
• $CRMO, juvenile$: A rare chronic inflammatory bone disease that occurs in children. The symptoms go into periods of remission only to return. The most common sites for the inflammation are the shinbone, thighbone and collarbone with usually several sites being affected at once.
• Cadasil: A rare inherited condition which affects the small blood vessels of the brain. Damage to the vessels causes strokes and other problems.
• Cadmium poisoning: A type of heavy metal poisoning caused by excessive exposure to cadmium.
• Cafe au lait spots, multiple: Multiple café-au-lait spots are normally associated with a condition called neurofibromatosis but some patients have no manifestations of neurofibromatosis other than the café-au-lait spots.
• Caffeine - Teratogenic Agent: There is strong evidence to indicate that exposure to caffeine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Caffeine Allergy: A caffeine allergy is an adverse reaction by the body's immune system to caffeine or caffeine-containing products. The type and severity of symptoms can vary amongst patients.
• Caffeine addiction: Caffeine addiction is the uncontrollable craving for caffeine products such as coffee. Other caffeinated products include diet pills, chocolate, pain killers, cold remedies and soft drinks. Cessation causes withdrawal symptoms which can vary in nature and severity.
• Caffeine poisoning: Excessive ingestion of caffeine.
• Cainophobia: An exaggerated or irrational fear of novelty.
• Calabro syndrome: A rare syndrome characterized mainly by premature fusion of skull bones, arm and leg abnormalities, small jaw, short neck and genital defects.
• Caladium poisoning: All parts of the Caladium plant are poisonous, particularly the sap. It contains a compound called calcium oxalate crystals which can cause abrasive injuries on sensitive eyes or mucosal tissues of the digestive tract. The plant is a common houseplant.
• Calcific aortic disease with immunologic abnormalities, familial: A rare familial condition characterized by the abnormal calcification of the aorta and aortic valve. The calcification can narrow the aortic valve opening and hence affect blood flow. The condition also includes immunological abnormalities
• Calcification of basal ganglia with or without hypocalcemia: Calcification of a part of the brain called the basal ganglia. That calcification may be associated with conditions such as hypothyroidism, cytomegalovirus, and AIDS or may occur for no apparent reason. The severity of the condition may vary greatly from asymptomatic to neurological, psychiatric and movement disorders. The disorder may also progress at variable rates or remain stable depending on the underlying disease process.
• Calcinosis cutis: Deposit of calcium in the skin tissues. The deposits can result from skin that has suffered damage, inflammation, cancer or necrosis. It can also occur when there is abnormal calcium and phosphate metabolism within the body such as occurs when there are high blood calcium and/or phosphate levels. In other cases, it occurs for no apparent reason. One or more lesions may be present and the size and severity can vary considerably depending on the underlying cause. Some cases are benign and pose no problem.
• Calciphylaxis: A rare fatal condition characterized by calcification of skin blood vessels and destruction of skin tissue. The condition is often associated with end-stage kidney disease.
• Calcitriol - Teratogenic Agent: There is strong evidence to indicate that exposure to Calcitriol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Calf muscle strain: Damage to the calf muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of the damage.
• California encephalitis: An uncommon mosquito born virus (California encephalitis virus) which can cause brain inflammation in humans. The severity of symptoms is variable. The incubation period can last from a few days to a week. Infants and children tend to be more severely affected than adults who sometimes have no obvious symptoms.
• Calla lily poisoning: A bulb plant which bears large colored or white flower-like structure on long leafless stems. It is often grown in gardens or used in flower arrangements. The plant contains chemicals including calcium oxalate crystals which are highly toxic if eaten. Death can result if sufficient quantities are eaten.
• Calla poisoning: All parts of the Calla plant are poisonous, particularly the sap. It contains a compound called calcium oxalate crystals which can cause abrasive injuries on sensitive eyes or mucosal tissues of the digestive tract.
• Callistin shellfish poisoning: The Callistin shellfish (Japanese Callista) is found primarily in Japan. Eating the whole shellfish can cause poisoning symptoms in humans. It is believed that the ovaries contain high levels of choline during spawning season which makes them toxic to humans. The symptoms that manifest are similar to a severe allergic reaction. Avoiding eating the ovaries is the best way to prevent poisoning - cooking does not destroy the toxin.
• Callosities, hereditary painful: A rare skin inherited condition characterized by the development of painful calluses over pressure points in the hands and feet. Occasionally blisters filled with a foul-smelling liquid form around the calluses.
• Calloso-genital dysplasia: A rare syndrome characterized by the total absence of the brain structure that connects the two halves of the brain (corpus callosum) as well as absent menstruation and coloboma.
• Callus: Thickening of skin on hands or feet.
• Calvarial doughnut lesions - bone fragility: A rare disorder characterized by a number of doughnut shaped lesions on the skull which makes the skull lumpy. Weak bones resulting in fractures without trauma and dental decay are also features of this disorder.
• Calvarial hyperostosis: A rare condition characterized by excessive calvarial bone growth.
• Camera Costa Syndrome: Camera Costa syndrome refers to a reported case characterized by hand and finger malformations, hearing impairment and heart defect.
• Camera-Marugo-Cohen syndrome: A rare syndrome characterized mainly by mental retardation, muscle weakness, obesity and an asymmetrical body.
• Campomelia Cumming type: A rare syndrome characterized by limb and multiple abdominal organ abnormalities. The disorder results in death before birth or soon after.
• Campomelic dwarfism: A rare genetic disorder characterized by bowed tibia, underdeveloped shoulder blades and a flat face.
• Campomelic dysplasia: A rare genetic disorder characterized by bowed tibia, underdeveloped shoulder blades and a flat face.
• Camptobrachydactyly: A rare hand and foot abnormality where the fingers and toes are unusually short and the first part of the fingers or toes are held in a fixed contracted position.
• Camptocormism: Abnormal forward bending of the trunk that is noticeable when standing or walking but disappears when lying down. It is often associated with conditions such as dystonia and Parkinson's disease.
• Camptodactyly - fibrous tissue hyperplasia - skeletal dysplasia: A rare syndrome characterized by a hand deformity and skeletal abnormalities.
• Camptodactyly - joint contractures and facial skeletal dysplasia: A rare genetic disorder characterized by joint contractures, drooping eyelids, spinal curvature and permanently bent fingers (camptodactyly).
• Camptodactyly - taurinuria: A rare disorder characterized by high urinary levels of taurine as well as a hand malformation.
• Camptodactyly - vertebral fusion: A rare disorder characterized mainly by the association of a permanently flexed finger (usually the little finger) and fused vertebrae.
• Camptodactyly syndrome, Guadalajara type 1: A rare syndrome characterized mainly by retarded fetal growth and permanently flexed fingers as well as other abnormalities such as short toes, short neck and a small head.
• Camptodactyly syndrome, Guadalajara type 2: A rare syndrome characterized mainly by retarded fetal growth and permanently flexed finger (camptodactyly).
• Camptodactyly syndrome, Guadalajara type 3: A rare syndrome characterized mainly by retarded fetal growth and permanently flexed finger (camptodactyly).
• Camptodactyly syndrome, Guadalajara type III: A rare syndrome characterized mainly by a variety of defects including facial dysmorphism.
• Camptodactyly, fibrous tissue hyperplasia, and skeletal dysplasia: A rare syndrome characterized by a hand deformity and skeletal abnormalities.
• Camptodactyly, tall stature, and hearing loss syndrome: A rare syndrome characterized mainly by camptodactyly, tall stature and hearing loss. The hearing loss starts at birth or during infancy and progresses during childhood resulting in mild to severe hearing impairment.
• Camptodactyly-ichthyosis syndrome: A rare syndrome characterized mainly by permanently bent fingers giving them a windmill-vane appearance as well as dry, scaly skin.
• Camptomelic dysplasia I: A rare condition characterized by dwarfism due to bowed shin and thigh bones.
• Camptomelic dysplasia II: A rare condition characterized by dwarfism due to bowed shin and thigh bones which tend to be shorter and wider than normal.
• Camptomelic syndrome: A rare inherited skeletal disorder characterized by short stature, missing ribs and other abnormalities.
• Campylobacter fetus infection: Campylobacter fetus is a food borne bacterial infection which may vary in severity from mild to severe. The bacteria are opportunistic and mainly affect debilitated patients but can also occur in healthy patients. Abortion due to blood infection in the fetus can occur in pregnant women who become infected. The infection is less likely to cause gastrointestinal symptoms such as diarrhea than other Campylobacter infections but is prone to causing infection in other parts of the body such as the appendix, abdominal cavity, central nervous system (meningitis), gallbladder, urinary tract and blood stream. Cattle and sheep are the main source of this bacteria.
• Campylobacter hylointestinalis infection: Campylobacter hyloinstesinalis is a food borne bacterial infection which may cause mild to severe gastroenteritis. Cattle, pigs, hamsters and deer are the main source of this bacteria.
• Campylobacter jejuni infection: Campylobacter jejuni infection is a common food borne bacterial infection which may vary in severity from mild to severe. Death can occur in severe cases but tends to occur in patients with other existing illnesses such as HIV, cancer or liver disease. The infection can in rare cause infection in other parts of the body such as the appendix, abdominal cavity, central nervous system (meningitis), gallbladder, urinary tract and blood stream. Undercooked chicken is the main source of infection.
• Campylobacter jejuni subspecies doylei infection: A bacterial infection that involves bacteria from the Campylobacter family. It tends to cause gastrointestinal symptoms.
• Campylobacter laridis infection: Campylobacter laridis is a food borne bacterial infection which may cause mild to severe gastroenteritis in healthy individuals and blood infection in immunocompromised patients.
• Campylobacter sputorum infection: A bacterial infection that involves bacteria from the Campylobacter family. It tends to cause gastrointestinal symptoms.
• Camurat-Engelmann disease, type 2: A rare syndrome characterized by a range of abnormalities including waddling gait, muscle weakness, knee and hip contractures, delayed puberty and leg pain.
• Camurati Engelmann disease, type 2: A rare disorder (described in two patients) which has similar symptoms to the genetic condition called Camurati Engelmann disease but the genetic defect responsible for type 1 is not present in type 2. Type 2 has additional bone abnormalities which were noted on radiographs. Patients tend to suffer flare-ups of their condition which is accompanied by severe pain which may leave the patient incapacitated. Flare-ups can be triggered or made worse by stress, exhaustion, exercise, growth spurts, standing too long, walking too long, infection, illness, injury, surgery, cold weather and sudden changes in air pressure.
• Camurati-Engelmann Disease: A very rare genetic disease thickening of areas of bone causing pain, weakness and wasting. Usually affects the legs during childhood. Also called diaphyseal dysplasia.
• Canary allergy: A canary allergy is an adverse reaction by the body's immune system to canaries. The allergy is usually associated with the skin, feathers or excrement from the canary. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms that can result can vary considerably amongst patients e.g. skin and respiratory symptoms.
• Canary ivy poisoning: Canary ivy is a vine which bears small yellowish-green flowers and black fruit. It is often used indoors and outdoors as an ornamental plant. The berries and leaves contain chemicals such a saponin which can cause severe skin irritation.
• Canavan leukodystrophy: A rare inherited disorder where a chemical imbalance in the brain leads to spongy degeneration of the central nervous system which results in progressive mental deterioration and associated symptoms.
• Cancer of floor of mouth: The floor of the mouth is a horseshoe-shaped area under the tongue, between the lower jaw bones (the mandible). When a malignant tumor grows in this area it is called floor of the mouth cancer.
• Cancer pain: Having cancer does not always mean having pain. For those with pain, there are many different kinds of medicines, ways to receive the medicine, and nonmedicine methods that can relieve the pain they may have. Pain must not be accepted as a normal part of having cancer.
• Cancerophobia: An exaggerated or irrational fear of cancer.
• Cancerphobia: An exaggerated or irrational fear of cancer.
• Cancers, Skin, General: Skin cancer is the abnormal growth of skin cells. Most skin cancers occur in sun-exposed areas of skin but can occur on skin on any part of the body. The severity of skin cancers can vary considerably depending on the particular type of skin cancer involved - melanomas are the most severe form of skin cancer.
• Candelabra cactus poisoning: The Candelabra cactus is a spiny cactus with a milky sap. The sap contains a chemical called diterpene ester which is mildly toxic if eaten and can cause minor skin irritation upon skin contact.
• Candesartan - Teratogenic Agent: There is strong evidence to indicate that exposure to Candesartan during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Candesartan Cilexetil - Teratogenic Agent: There is strong evidence to indicate that exposure to Candesartan Cilexetil during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Candidiasis: Fungal infection of moist areas such as mouth or vagina
• Candidiasis familial chronic mucocutaneous, autosomal dominant: A dominantly inherited condition characterized by poor immunity to fungal infections - particularly those caused by Candida albicans. Persistent fungal infections tend to affect the nails, skin or mucous membranes. The degree of severity is variable with some cases leading to fugal infection of the brain which is usually fatal.
• Candidiasis familial chronic mucocutaneous, autosomal dominant, with thyroid disease: A dominantly inherited condition characterized by poor immunity to fungal infections (particularly those caused by Candida albicans) as will as thyroid disease. Persistent fungal infections tend to affect the nails, skin or mucous membranes. The degree of severity is variable with some cases leading to fugal infection of the brain which is usually fatal.
• Candidiasis familial chronic mucocutaneous, autosomal recessive: A recessively inherited condition characterized by poor immunity to fungal infections - particularly those caused by Candida albicans. Persistent fungal infections tend to affect the nails, skin or mucous membranes. The degree of severity is variable with some cases leading to fugal infection of the brain which is usually fatal.
• Candle poisoning: Candles can cause a gastrointestinal blockage if excessive quantities are eaten.
• Canine teeth, absence upper permanent: A dental anomaly involving the delayed loss of the primary canine teeth as well as the absence of the secondary canine teeth. The incidence of other tooth anomalies is higher in patients with this abnormality.
• Canker sores: Ulcers of the mouth or nearby areas
• Cantu Sanchez-Corona Garcia-cruz syndrome: A rare syndrome characterized by mental retardation, short stature, large skull, heart anomaly and various other abnormalities.
• Cantu syndrome: A rare syndrome characterized by mental retardation, short stature, large skull, heart anomaly and various other abnormalities.
• Cantú syndrome: A rare syndrome characterized mainly by excessive growth of hair, enlarged heart and abnormal development of bone and cartilage
• Capecitabine poisoning: Capecitabine is used to treat metastatic colorectal and breast cancer . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Caper spruge poisoning: The caper spruge is a herb which has a milky sap and bears flowers and fruit. The plant originated in Europe and tends to grow in mountainous areas. The plant sap contains diterpene esters which is mildly toxic if eaten and can cause minor skin irritation if skin contact occurs.
• Capgras' syndrome: A rare delusional disorder where the patient believes that a friend or relative has been replaced by a double or imposter. They may even view themselves as a double. The disorder is often associated with schizophrenia or some sort of brain injury or damage.
• Capillaria philippiensis infection: A fish borne parasite that can infect humans. Transmission most often occurs through ingestion of contaminated fish. Severity of symptoms tend to increase as the number of worms multiply in the intestines. Death can occur if the condition is left untreated.
• Capillary leak syndrome with monoclonal gammopathy: A rare condition characterized by leaky blood vessels and an increased level of certain blood proteins (monoclonal gammopathy). Monoclonal gammopathy itself does not cause any symptoms unless it develops into plasma cell leukemia. The condition may vary from mild to severe enough to cause death.
• Capnocytophaga: A bacterial infection caused by Capnocytophaga canimorsus which is often found in normal healthy cats and dogs. The infections tends to occur mainly in immunocompromised patients, alcoholics or patients who have chronic respiratory disease or have had their spleen removed. The eyes are particularly sensitive to this infection. The incubation period can be as long as eight days.
• Captopril - Teratogenic Agent: There is strong evidence to indicate that exposure to Captopril during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Carbamate insecticide poisoning: Excessive ingestion of carbamate insecticide drugs.
• Carbamazepine - Teratogenic Agent: There is strong evidence to indicate that exposure to Carbamazepine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Carbamoyl-phosphate synthase 1 deficiency: A very rare inherited urea cycle disorder where the lack of the enzyme carbamoyl phosphate synthetase prevents ammonia from being turned into urea and being excreted in the urine. Excess ammonia builds up in the body which can cause serious complications or even death if left untreated.
• Carbimazole - Teratogenic Agent: There is strong evidence to indicate that exposure to Carbimazole during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Carbohydrate deficiency glycoprotein syndrome type II: Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 2 is caused by a genetic defect which involves the gene for a particular enzyme (Golgi localized N-acetyl-glucosaminyltransferase II). Type 2 tends to have more severe psychomotor retardation than type 1 but there is no peripheral neuropathy or underdeveloped cerebellum.
• Carbon Baby Syndrome: A rare condition characterized by progressive increase in pigmentation of mucosal lining and skin.
• Carbon Monoxide - Teratogenic Agent: There is strong evidence to indicate that exposure to Carbon Monoxide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Carcinoid crisis: Carcinoid crisis can occur spontaneously or as a response to stress, such as anesthesia or chemotherapy.
• Carcinoid syndrome: Carcinoid heart disease is a rare, metastatic disease that occurs predominantly in the right heart. The tricuspid and pulmonic valves are affected, leading to right heart failure, which results in increased morbidity and mortality.
• Carcinoma of the vocal tract: Cancer of the vocal cords in the larynx.
• Carcinoma, squamous cell of head and neck: A type of cancer that occurs in the mucosal lining of parts of the head and neck e.g. esophagus, sinuses, nasal cavity, pharynx, mouth and lips. Symptoms will vary depending on the exact location of the cancer.
• Carcinomatophobia: An exaggerated or irrational fear of cancer.
• Carcinomatous meningitis: Carcinomatous meningitis, is a form of metastatic cancer that has spread to the lining of the brain and spinal cord, the parts of the body that make up the central nervous system.
• Carcinomophobia: An exaggerated or irrational fear of cancer.
• Carcinophobia: An exaggerated or irrational fear of cancer.
• Cardem - Teratogenic Agent: There is evidence to indicate that exposure to Cardem (a beta-blocker medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cardiac and laterality defects: A rare congenital disorder involving congenital heart abnormalities as well as laterality defects which are disruptions to the body's normal left-right plan. For example, internal organs may be located on the wrong side of the body.
• Cardiac compression syndrome: Symptoms caused by compression of the heart which can be caused by abnormal curvature of the spine or rib cage deformities which restrict the chest space.
• Cardiac diverticulum: A rare congenital heart malformation involving the outpouching (diverticulum) of a ventricle which can affect heart function to varying degrees depending on the size and location of the defect.
• Cardiac hydatid cysts with intracavitary expansion: A parasitic infection that occurs in the heart. Hydatid cyst is the larval stage of a parasite called echinococcus granulosus. Symptoms will depend on the exact location of the cyst. Usually the liver and lungs are involved.
• Cardiac malformation: Any malformation or structural defect of the heart or it's structures. Some examples include atrioventricular septal defect, conotruncal malformations, transposition of great vessels and heart valve dysplasia. The symptoms vary in nature and severity depending on the type of malformation.
• Cardiac malformation, cleft lip-palate, microcephaly and digital anomalies: A newly described syndrome characterized by heart malformations, cleft lip/palate, small head and digital anomalies.
• Cardiac tamponade: Symptoms caused by compression of the heart due to the accumulation of blood or fluid in the space between the heart muscle and the membrane covering the heart.
• Cardiac valvular dysplasia, X-linked: An inherited (X-linked) form of heart disease involving mitral or aortic valve regurgitation. Females are carriers and hence asymptomatic whereas males displayed symptoms.
• Cardioauditory syndrome of Sanchez- Cascos: A rare syndrome characterized mainly by heart and hearing abnormalities. The deafness was present at birth or soon after.
• Cardiocranial syndrome: A rare syndrome characterized mainly by heart and skull abnormalities.
• Cardioencephalomyopathy fatal infantile due to cytochrome c oxidase deficiency: A very rare inherited metabolic disorder where the body doesn't have enough of an enzyme called cytochrome C oxidase (COX) which is needed in the process of energy production by body cells. The fatal infant type generally affects the hear, brain and kidneys as well as the muscles.
• Cardiofaciocutaneous Syndrome: A rare genetic disorder characterized by short stature, congenital heart defects skin anomalies and frontal bossing.
• Cardiomegaly - bronchitis - emphysema syndrome: A rare syndrome characterized by the association of bronchitis, emphysema and an enlarged heart. The condition is often associated with long-term chronic alcoholism.
• Cardiomelic syndrome Stratton Koehler type: A rare syndrome characterized mainly by heart and skeletal abnormalities.
• Cardiomyopathy - hearing loss, type t RNA lysine gene mutation: A rare inherited disorder characterized by heart muscle disease and deafness. The deafness is inherited from the mother and is caused by a genetic defect. Patients may be asymptomatic for a number of years. The rate of progression of the disorder is variable with some patients being asymptomatic until adulthood.
• Cardiomyopathy - hearing loss, type tRNA-LYS gene mutation: A rare inherited condition characterized by the association of cardiomyopathy and deafness.
• Cardiomyopathy - hypogonadism - metabolic anomalies: A rare syndrome characterized mainly by heart muscle disease, hypogonadism, blindness, deafness and metabolic anomalies. Puberty was normal despite the hypogonadism.
• Cardiomyopathy - renal anomalies: A rare syndrome characterized by heart muscle disease and defects in the genitourinary system.
• Cardiomyopathy - spherocytosis: A rare disorder characterized by the association of spherocytosis with heart muscle disease. Spherocytosis is a red blood cell disorder where the red blood cells have abnormal membranes which gives them a spherical shape and makes them weak resulting in their premature death.
• Cardiomyopathy cataract hip spine disease: A rare genetic disorder characterized by heart muscle disease, cataracts and hip and spinal problems.
• Cardiomyopathy diabetes deafness: A rare syndrome characterized by the association of heart muscle disease, diabetes and deafness.
• Cardiomyopathy dilated 10: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the heart's ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 10 is caused by a defect in the ABC9 gene on chromosome 12p12.1.
• Cardiomyopathy dilated 1B: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1B is caused by a defect on chromosome 9q13.
• Cardiomyopathy dilated 1C: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1C is caused by a defect in the LDB3 gene on chromosome 10q21-q23.
• Cardiomyopathy dilated 1D: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1D is caused by a defect in the cardiac troponin gene on chromosome 1q32.
• Cardiomyopathy dilated 1E: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1E is caused by a defect in the SCN5A gene on chromosome 3p21.
• Cardiomyopathy dilated 1G: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1G is caused by a defect in the titin gene on chromosome 2q24.3.
• Cardiomyopathy dilated 1H: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1H is caused by a defect on chromosome 2q14-q22.
• Cardiomyopathy dilated 1I: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1I is caused by a defect in the desmin gene on chromosome 2q35.
• Cardiomyopathy dilated 1J: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Hearing impairment also becomes apparent by the end of the second decade. Type 1J is caused by a defect in the LDB3 gene on chromosome 6q23.
• Cardiomyopathy dilated 1K: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1K is caused by a defect on chromosome 6q12-q16.
• Cardiomyopathy dilated 1L: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1L is caused by a defect in the delta-sarcoglycan gene on chromosome 5q33.
• Cardiomyopathy dilated 1M: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1M is caused by a defect in the CSRP3 gene on chromosome 11p15.1.
• Cardiomyopathy dilated 1N: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1N is caused by a defect in the telethonin gene on chromosome 17q12.
• Cardiomyopathy dilated 1P: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1P is caused by a defect in the phospholamban gene on chromosome 6q22.1.
• Cardiomyopathy dilated 1Q: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1Q is caused by a defect on chromosome 7q22.3-q31.1.
• Cardiomyopathy dilated 1R: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1R is caused by a defect in the ACTC gene on chromosome 15q14.
• Cardiomyopathy dilated 1S: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1S is caused by a defect in the heavy chain myosin 7 gene on chromosome 14q12.
• Cardiomyopathy dilated 1T: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1T is caused by a defect in the TMPO gene on chromosome 12q22.
• Cardiomyopathy dilated 1U: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1U is caused by a defect in the PSEN1 gene on chromosome 14q24.3.
• Cardiomyopathy dilated 1W: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1W is caused by a defect in the metavinculin gene on chromosome 10q22.1-q23.
• Cardiomyopathy dilated 1Y: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 1Y is caused by a genetic defect on chromosome 15q25.1.
• Cardiomyopathy dilated 1Z: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 1Z is caused by a genetic defect on chromosome 3p21.2-p14.3.
• Cardiomyopathy dilated 2A: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 2A is caused by a defect in the TNNI3 gene on chromosome 19q13.4.
• Cardiomyopathy dilated 3B: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 3B is caused by a defect in the dystrophin gene on chromosome Xp21.2. Males tend to be more severely affected than males with death occurring within about a year from the onset of symptoms. Symptoms in males tend to occur by the age of 21 and females tended to have an onset during their fifth decade of life with a relatively slower course of progression than in males.
• Cardiomyopathy dilated with conduction defect: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system.
• Cardiomyopathy dilated with conduction defect type 1: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1 is caused by a defect in the lamin A/C gene on chromosome 1q21.
• Cardiomyopathy dilated with conduction defect type 2: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 2 is caused by a defect in the cardiac sodium channel gene on chromosome 3p21.
• Cardiomyopathy due to anthracyclines: Damage to the heart muscle caused by anthracycline drugs which are used in chemotherapy. The damage occurs more frequently with higher cumulative doses. Often the patients have no symptoms of the heart damage for many year.
• Cardiomyopathy with myopathy due to COX deficency: A rare condition where an enzyme (cytochrome c oxidase) deficiency results in muscle disease which also affects the heart.
• Cardiomyopathy, Alcoholic: A weakened heart mucle due to excessive alcohol consumption. Symptoms are usually not evident until the heart becomes severely damaged.
• Cardiomyopathy, X-linked, fatal infantile: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The condition occurs during infancy and results in death.
• Cardiomyopathy, dilated, with Woolly hair and keratoderma: A rare syndrome characterized by heart muscle disease involving dilation of the heart ventricles, woolly hair and thickened skin on the palms and soles.
• Cardiomyopathy, familial dilated: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally.
• Cardiomyopathy, fatal fetal, due to myocardial calcification: A rare syndrome characterized by heart muscle disease caused by calcium deposits in the heart muscle. The disorder causes fetal death.
• Cardiomyopathy, hypogonadism, collagenoma syndrome: A rare inherited condition characterized primarily by skin nodules. The skin nodules may be associated with organ system involvement resulting in a variety of other symptoms.
• Cardiomyopathy, infantile histiocytoid: A rare form of heart muscle disease that occurs during infancy and is caused by the presence of abnormal cells in the heart muscle.
• Cardiophobia: An exaggerated or irrational fear of heart disease.
• Cardiospasm: Failure of the lower oesophageal sphincter to relax, resulting in food build up in the upper oesophagus.
• Cardiotoxicity - Allylamine: Exposure to Allylamines can have a toxic effect on the heart and may result in degenerative changes in the heart. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Aromatic hydrocarbons: Exposure to Aromatic hydrocarbons can have a toxic effect on the heart and may result in degenerative changes in the heart. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Arsenic: Exposure to Arsenic can have a toxic effect on the heart and may result in constriction of blood vessels. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Carbon Disulfide: Exposure to Carbon Disulfide can have a toxic effect on the heart and may result in degenerative changes in the heart. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Carbon Monoxide: Exposure to Carbon Monoxide can have a toxic effect on the heart and may result in degenerative changes in the heart. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Ergot alkaloids: Exposure to Ergot alkaloids can have a toxic effect on the heart and may result in constriction of blood vessels. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Nitroglycerin: Exposure to Nitroglycerin can have a toxic effect on the heart and may result in constriction of blood vessels. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Thorium Dioxide: Exposure to Thorium Dioxide can have a toxic effect on the heart and may result in blood vessel tumors. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiotoxicity - Vinyl Chloride: Exposure to Vinyl Chloride can have a toxic effect on the heart and may result in blood vessel tumors. The degree of toxicity may be influenced the duration and level of exposure to the chemical.
• Cardiovirus: A viral disease caused by a virus from the Picornaviridae famiy. Any vertebrate can become infected though humans rarely are.
• Carisoprodol - Teratogenic Agent: There is strong evidence to indicate that exposure to Carisoprodol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Carnation poisoning: The carnation is a perennial flowering herb with narrow grayish leaves. The plant originated in Eurasia and is often grown in gardens and used in flower arrangements. The leaves contain triterpenoid saponins which can cause symptoms if sufficient quantities are eaten. Skin irritation can also occur upon skin exposure. The plant is considered to have a low level of toxicity and large quantities would need to be eaten to cause any symptoms.
• Carnevale-Canun-Mendoza syndrome: A rare disorder characterized by loss of bone tissue in the wrists and ankles as well as kidney problems.
• Carnevale-Hernandez-Castillo syndrome: An extremely rare disorder characterized by missing digits or parts of digits and a thumb that has three bones like a finger instead of the normal two.
• Carnevale-Krajewska-Fischetto syndrome: A rare genetic disorder characterized by drooping eyelids, hip problems, undescended testes and developmental delay.
• Carney syndrome: A very rare syndrome characterized by spotty pigmentation on the skin and the development of multiple benign tumors (myxoma) that can occur just about anywhere in the body but mainly in the skin, breast and heart and endocrine glands such as the thyroid and pituitary gland. The symptoms are highly variable depending on the location, size and number of tumors. Endocrine gland tumors can affect hormone production and hence result in a range of symptoms.
• Carnitine palmitoyl transferase 1 deficiency: A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase I) prevents fatty acids being transported to the part of the cell that converts it to energy.
• Carnitine palmitoyl transferase 2 deficiency: A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a slightly different form of the enzyme. Type I can be readily managed through diet. Type II has three subtypes: the myopathic form affects mainly the muscles; the hepatocardiomuscular form affects the liver and heart muscle; and the lethal neonatal form affects muscles and organs and usually results in death during the first year of life.
• Carnitine palmitoyl transferase II deficiency, infantile hepatocardiomuscular type: A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The infantile form of this disease affects the muscles and the liver and heart.
• Carnitine palmitoyl transferase II deficiency, lethal neonatal form: A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The lethal neonatal form affects various organs as well as the muscles and death usually occurs during the first year of life.
• Carnitine palmitoyl transferase II deficiency, myopathic: A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. Prolonged exercise can cause an episode of muscle symptoms. The myopathic form of the condition is the least severe and tends to affect only the muscles.
• Carnitine palmitoyl transferase deficiency: A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a slightly different form of the enzyme. Type I can be readily managed through diet. Type II has three subtypes: the myopathic form affects mainly the muscles; the hepatocardiomuscular form affects the liver and heart muscle; and the lethal neonatal form affects muscles and organs and usually results in death during the first year of life.
• Carnitine transporter deficiency: An inherited deficiency of carnitine caused by the impaired ability of the carnitine transporter protein to carry the carnitine to where it is needed. Instead the carnitine is excreted through the urine. Fasting or illness can trigger a severe attack.
• Carnitine-acylcarnitine translocase deficiency: A very rare inherited metabolic disorder where long-chain fatty acids can't be metabolized properly because the compound needed to transport it is faulty. Ultimately this prevents certain fats (long-chain acylcarnitine) being converted to energy and results in a build up of the fat which is harmful to body organs and tissues.
• Carnosinase deficiency: A very rare inherited metabolic disorder characterized by severe neurological abnormalities such as mental retardation and myoclonic seizures.
• Caroli Disease: A rare disorder where the bile ducts inside the liver become enlarged resulting in infection, irritation and gallstone formation.
• Carolina Cherry Laurel poisoning: The Carolina cherry laurel is an evergreen tree which bears small white flowers and small green fruit which turns black when ripe. Most parts of the plant contain cyanogenic glycoside and amygdalin which can cause symptoms if ingested. The plant is considered highly toxic and eating sufficient quantities can lead to death.
• Carotenemia: High level of carotene in blood causing skin and plasma to become yellowish. Also called pseudojaundice or xanthemia.
• Carotenemia, familial: A rare inherited metabolic disorder where an enzyme deficiency inhibits the conversion of beta carotene into vitamin A. Thus, patients have high beta carotene levels in the blood and low vitamin A levels. The condition causes intermittent orange discoloration of the face, palms and soles. Vitamin A supplements are of no benefit for this condition.
• Carotenoid overuse: Excessive consumption of carotenoids through diet or supplementation can cause harmless symptoms. Carotenoids are pigments found in various colored fruit and veges such as carrots and pumpkin.
• Carotid Paraganglioma: A rare, usually benign tumor found in the carotid artery in the neck. The tumor develops from glomus cells which are located along blood vessels involved in automatic body activities such as regulation of blood pressure and blood flow.
• Carpal deformity - micrognathia - microstomia: A very rare syndrome characterized by wrist bone defects, a small jaw and a small mouth.
• Carpal tunnel syndrome pain: Carpal tunnel syndrome (CTS), or median neuropathy at the wrist, is a medical condition in which the median nerve is compressed at the wrist, leading to paresthesias, numbness and muscle weakness in the hand.
• Carpenter syndrome: A rare genetic disorder characterized by premature closing of skull bones, craniofacial abnormalities, heart defects, growth retardation and other disorders.
• Carpotarsal osteochondromatosis: A rare disorder characterized by a painless swelling in the ankles and wrists which restricts their range of motion. The swelling is caused by abnormal growths on the wrist and ankle bones. The number of joints involved is variable.
• Cartelol - Teratogenic Agent: There is strong evidence to indicate that exposure to Cartelol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cartilage-hair hypoplasia-like syndrome: A rare syndrome characterized by thin hair shafts, short stature, short limbs and other skeletal abnormalities. The condition is identical to the skeletal abnormality component of cartilage-hair hypoplasia syndrome.
• Cartilaginous - arthritic - ophthalmic - deafness syndrome: A rare syndrome characterized by the association of eye, joint and cartilage disease as well as deafness.
• Cartilaginous neoplasms: Tumors made up of cartilage tissue. The tumors may be benign or malignant and the symptoms will depend on the location and size of the tumors. The tumors can form on parts of the body such as the arm and leg bones or even in the pharynx. The tumors may cause no symptoms in some cases and are only discovered incidentally.
• Cartwright-Nelson-Fryns syndrome: A rare syndrome characterized by mental and physical retardation as well as nail and digital abnormalities.
• Carukia barnesi sting: The Irukandji jellyfish is a very small type of box jellyfish found mainly in the northern tropical waters of Australia. Their sting is not particularly painful by the ensuing symptoms can be severe and life-threatening.
• Casanthranol - Teratogenic Agent: There is evidence to indicate that exposure to Casanthranol (a laxative) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Caspase-8 deficiency: A rare type of immunodeficiency disorder caused by a deficiency of caspase-8. Caspase-8 an important part of the immune system as it is involved in the activation of T lymphocytes, B lymphocytes and natural killer cells.
• Cast syndrome: Obstruction of the third part of the duodenum by an artery following the use of a body plaster cast or a Bradford frame.
• Cat Eye Syndrome: A rare chromosomal disorder involving abnormalities of chromosome 22 and characterized by coloboma of the iris, down-slanting palpebral fissures and anal atresia.
• Cat allergy: A cat allergy is an adverse reaction by the body's immune system to cats. The allergy is usually associated with the skin, saliva or urine of cats. Cats frequently lick themselves which results in saliva sticking to the fur. Thus a person allergic to cats will often react to the fur even if it is not attached to the animal. Frequent washing of the cat may reduce symptoms. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms that can result can vary considerably amongst patients e.g. skin and respiratory symptoms.
• Cat bite: Bite from a cat.
• Cat scratch disease: An infectious disease transmitted through a cat's bite, scratch or lick and resulting primarily in lymph node pain and swelling. The condition can be mild or severe.
• Catalepsy: Complete trance-like mental detachment
• Catamenial pneumothorax: A collapsed lung that occurs at the same time as menstruation. The condition is believed to be caused by the presence of endometrial tissue in the chest cavity. The endometrial tissue produces blood (just as in the uterus) and can result in the lung collapsing. The lung tends to collapse within 3 days of the start of menstruation.
• Catamenial seizure: A type of seizure that is associated with the female menstrual cycle. It appears that flucutations in hormone levels leads to increased seizure activity in some women just before or during their menstrual cycle. Simple or complex partial seizures or generalized tonic-clonic seizures may be involved.
• Cataplexy: A rare condtion characterized by episodes of severe muscle weakness which can sometimes lead to a complete collapse - it usually occurs in people with a sleep disorder called narcolepsy.
• Cataract - aberrant oral frenula - growth delay: A rare syndrome characterized by cataracts, growth problems and abnormal mouth tissue (frenulum).
• Cataract - ataxia - deafness: A rare syndrome characterized by cataracts, ataxia and progressive deafness.
• Cataract - intellectual deficit - anal atresia - urinary defects: A very rare syndrome characterized mainly by cataracts, mental retardation and genitourinary tract abnormalities and absent anal opening.
• Cataract and cardiomyopathy: A rare syndrome characterized by the association of congenital cataracts, heart muscle disease, lactic acidosis and skeletal muscle disease. The disorder involves the abnormal storage of lipids and glycogen in the skeletal and heart muscles. The cataracts progress rapidly and require surgery. The severity of the disorder ranges from stillbirth to survival into the fourth decade.
• Cataract and congenital ichthyosis: A rare syndrome characterized by the presence of cataracts and a dry, scaly skin condition (ichthyosis) at birth or soon after.
• Cataract congenital dominant non nuclear: A dominantly inherited form of cataract which varied in size, pattern and location of the lens opacities.
• Cataract deafness hypogonadism: A very rare syndrome characterized mainly by deafness, cataracts and a deficiency of sex hormone production.
• Cataract dental syndrome: A very rare inherited condition mainly involving eye abnormalities but also various other physical abnormalities. The type and severity of symptoms is variable.
• Cataract, Zonular Pulverulent 1: A genetic form of congenital cataract inherited in an autosomal dominant manner. Diagnosis usually occurs in the first few years of life. Type 1 refers to the fact that this subtype is linked to a defect on chromosome 1q21.1.
• Cataract, Zonular Pulverulent 3: A genetic form of congenital cataract inherited in an autosomal dominant manner. Diagnosis usually occurs in the first few years of life. Type 3 refers to the fact that this subtype is linked to a defect on chromosome 13q11.
• Cataract, alopecia, sclerodactyly: A rare disorder characterized by cataracts, lack of hair and skin changes in the hands and feet.
• Cataract, anterior polar, dominant: A rare, dominantly inherited type of cataract which is characterized by small opacities on the front surface of the eye lens. Vision is usually not affected and the cataract is not associated with any other abnormalities. Type 1 is caused by a genetic defect on chromosome 14q24-qter.
• Cataract, congenital nuclear, autosomal recessive 1: A rare recessively inherited type of congenital cataract that is not associated with any other abnormality. Type 1 is caused by a mutation on chromosome 19q13.
• Cataract, congenital nuclear, autosomal recessive 2: A rare recessively inherited type of congenital cataract that is not associated with any other abnormality. Type 2 is caused by a mutation in the beta-B3 crystallin gene on chromosome 22q11.2-q12.2.
• Cataract, congenital, autosomal dominant: A dominantly inherited form of cataract.
• Cataract, congenital, cerulean, type 1: A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 1 is caused by a defect on chromosome 17q24.
• Cataract, congenital, cerulean, type 2: A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 2 is caused by a defect on chromosome 22q11.2-q12.2.
• Cataract, congenital, cerulean, type 3: A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 3 is caused by a defect on chromosome 2q33-q35.
• Cataract, crystalline aculeiform or frosted: An inherited form of congenital cataract characterized by tiny, needle-like crystals in the axial part of the eye lens. It usually affects both eyes and the degree of vision impairment is variable.
• Cataract, crystalline coralliform: An inherited form of congenital cataract characterized by opacities in the eye lens which resembles sea coral. It usually affects both eyes and the degree of vision impairment is variable.
• Cataract, juvenile, with microcornea and glucosuria: A rare disorder characterized by the association of juvenile cataracts, small corneas and excessive glucose in the urine.
• Cataract, posterior polar, 1: An inherited form of cataract caused by a defect on chromosome 1pter-p36.1.
• Cataract, posterior polar, 2: An inherited form of cataract caused by a defect in the CRYAB gene on chromosome 11q.
• Cataract, posterior polar, 3: An inherited form of cataract caused by a defect in the CHMP4B gene on chromosome 20q11.
• Cataract, posterior polar, 4: An inherited form of cataract caused by a defect in the PITX3 gene on chromosome 10q25.
• Cataract, posterior polar, 5: An inherited form of cataract caused by a defect on chromosome 14q22-q23. The cataract becomes apparent during early childhood and slowly progresses.
• Cataract, total congenital: An inherited form of cataract which is present at birth and involves opacity of the whole lens.
• Cataract, zonular: A congenital cataract where the lens opacities occur around the nucleus but not within it.
• Cataract-glaucoma: A rare syndrome characterized by congenital cataracts in both eyes as well as glaucoma which tends to occur between the ages of 10 and 40.
• Catastrophic Antiphospholipid Syndrome: A very rare disorder where the blood clotting system becomes dysfunctional and clots too easily due to the abnormal presence of antphospholipid antibodies. It results in blood flow blockages to various body organs. It is possible that the condition has autoimmune origins. The disorder is often triggered by infections, certain drugs (e.g. anticoagulants), minor surgery and hysterectomy.
• Catatonia: Motor muscle function disorder
• Catatonic depression: Catatonic Schizophrenia means lessened muscle tone its symptoms are motor disturbances.
• Catatonic syndrome: A rare syndrome often seen in schizophrenics or associated with central nervous system disturbances or brain trauma. The symptoms tend to occur in episodes with periods of remission in between.
• Catatrichy: A hair anomaly where a lock of hair is different in appearance to the rest of the hair. The anomaly may be inherited.
• Catecholamine hypertension: High blood pressure caused by catecholamines (epinephrine and norepinephine) which is produced by the body especially in times of stress. Adrenal tumors that secrete catecholamines can also increase blood pressure as can medications containing catecholamines.
• Catel-Manzke Syndrome: A rare genetic disorder characterized by a small jaw, cleft palate and an extra bone at the base of the pointer finger.
• Caterpillar complication poisoning: The spines on certain caterpillars can cause a skin reaction as well as systemic symptoms if ingested. The nature of the symptoms vary depending on the species of caterpillar involved. Some only produce skin reactions whereas others can produce systemic symptoms.
• Caterpillar-induced bleeding syndrome: Caterpillars from the Lonomia genus have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but serious cases can result in death.
• Caterpillar-induced bleeding syndrome - Lonomia achelous: Lonomia achelous caterpillars are native to Northern Brazil and Venezuela. They have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but serious cases can result in death.
• Caterpillar-induced bleeding syndrome - Lonomia obliqua: Lonomia obliqua caterpillars are native to Southern Brazil and have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but serious cases can result in death.
• Cathinone poisoning: Cathinone comes from the leaves of the Khat plant which is native to eastern Africa. Cathinone is a stimulant as well as have pain killing, weight loss and neuromuscular effects. The psychoactive effects are usually utilized by chewing on the leaves of the plant but sometimes dried leaves are used.
• Cathisophobia: An exaggerated or irrational fear of sitting down.
• Catoptrophobia: An exaggerated or irrational fear of mirrors.
• Cauda equina syndrome: Is a neurological syndrome which occurs when a vertebral disc protrudes and compresses the spinal cord.
• Caudal appendage - deafness: A very rare syndrome characterized mainly by deafness, finger bone abnormalities and a spinal extension giving a tail-like appearance (caudal appendage).
• Caudal duplication: A rare disorder where some of the embryonic tissues that develop into the lower spine, genitalia and lower abdominal organs are duplicated - probably due to the incomplete separation of twins arising from one egg. The range of possible defects is extensive but often they are able to be surgically corrected and a relatively normal life is possible.
• Caudal dysplasia sequence: A rare congenital disorder characterized by abnormal development of the lower spine during the fetal stage.
• Caudal regression syndrome: A rare disorder where the bottom part of the fetal spine doesn't develop normally resulting in abnormalities that may be severe or mild depending on the degree of abnormality.
• Caustic or corrosive substance ingestion: Ingestion of a caustic (alkaline) or corrosive (acidic) substance. Many cases occur when children ingest cleaning products found in the home.
• Cavernous hemangioma: A harmless proliferation of blood vessels which form a tumor-like mass of blood filled spaces which can occur anywhere in the body and is present at birth or develops soon after. It occurs in deeper layers of the skin as opposed to the top skin layers and the color may vary according to the depth of the lesion.
• Cavernous lymphangioma: A birth disorder characterized by a lymphatic swelling under the skin that can be present at birth or occur later.
• Cayler syndrome: A very rare disorder involving heart defects and abnormalities involving the lower lip muscle.
• Cebagin-induced lead poisoning: Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
• Cefachlor - Teratogenic Agent: There is evidence to indicate that exposure to Cefachlor (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cefaclor - Teratogenic Agent: There is evidence to indicate that exposure to Cefaclor (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cefaclorum - Teratogenic Agent: There is evidence to indicate that exposure to Cefaclorum (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cefadroxil - Teratogenic Agent: There is evidence to indicate that exposure to Cefadroxil (a broad spectrum antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Celandine poisoning: A biennial herb which bears small yellow flowers and a fruit capsule. The plant has a yellow-orange sap. Parts of the plant (mainly the roots) contain a highly toxic chemical called isoquinoline alkaloid which is toxic. Death can result if sufficient quantities of the root are consumed.
• Celexa - Teratogenic Agent: There is evidence to indicate that exposure to Celexa (an antidepressant) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Celiac Disease: Digestive intolerance to gluten in the diet.
• Celiac artery stenosis from compression by median arcuate ligament of diaphragm: A rare birth defect where a ligament (median arcuate) is located too low and compresses an artery (celiac artery). When the artery is compressed, blood flow is affected and abdominal pain and other symptoms may occur. The disorder is most common in thin females. Many people may have the anomaly but only in some cases is the compression severe enough to cause symptoms.
• Celiac disease - epilepsy - occipital calcifications: A rare syndrome characterized by celiac disease and epilepsy with brain calcifications.
• Celiac disease, susceptibility to 1: The susceptibility to developing celiac disease due to a genetic defect on chromosome 6p21.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 10: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q25-q26. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 11: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q28. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 12: The susceptibility to developing celiac disease due to a genetic defect on chromosome 6q25.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 13: The susceptibility to developing celiac disease due to a genetic defect in the SH2B3 gene on chromosome 12q24. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 2: The susceptibility to developing celiac disease due to a genetic defect on chromosome 5q31-q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 3: The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 4: The susceptibility to developing celiac disease due to a genetic defect on chromosome 19p13.1. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 5: The susceptibility to developing celiac disease due to a genetic defect on chromosome 15q11-q13. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 6: The susceptibility to developing celiac disease due to a genetic defect on chromosome 4q27. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 7: The susceptibility to developing celiac disease due to a genetic defect on chromosome 1q31. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 8: The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q11-q12. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celiac disease, susceptibility to 9: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3p21. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
• Celipro - Teratogenic Agent: There is evidence to indicate that exposure to Celipro (a beta-blocker medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Celiprolol - Teratogenic Agent: There is evidence to indicate that exposure to Celiprolol (a beta-blocker medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cellulitis: inflammation of the subcutaneous fat
• Celtophobia: An exaggerated or irrational fear of Celts.
• Cenophobia: An exaggerated or irrational fear of a void or open spaces.
• Central Core Disease: A disorder characterized mainly by muscle weakness from infancy.
• Central Pain Syndrome: Central pain syndrome is a neurological condition caused by damage to or dysfunction of the central nervous system (CNS), which includes the brain, brainstem, and spinal cord.
• Central nervous system lymphoma, primary: A type of lymphoma that occurs in the central nervous system (brain and spinal cord). A lymphoma consists of cancerous lymphocytes which are a type of white blood cell. Symptoms vary according to the location of the lymphoma.
• Central nervous system oxygen toxicity: High oxygen levels which affects the central nervous system. The condition can occur during deep dives with fatal consequences.
• Central pontine myelinolysis: A rare condition where the protective layer around brainstem nerve cells is destroyed which prevents nerve signals being transmitted properly. It generally occurs in response to a rapid change in sodium levels in the body which can be caused by treatment of various conditions or by various conditions that cause rapid sodium level changes.
• Central serous chorioretinopathy: A rare eye disorder where fluid collects under the retina which affects vision. The condition usually resolves itself within 6 months though most people suffering lingering vision disturbances such as distortion, reduced sensitivity to contrast, impaired night vision and reduced color vision.
• Centriacinar Emphysema: The abnormal permanent enlargement of air spaces distal to the terminal bronchioles, accompanied by the destruction of the walls and without obvious fibrosis. It begins in the respiratory bronchioles and spreads peripherally
• Centronuclear myopathy, congenital: A severe inherited form of muscle wasting disease which often results in infant death.
• Centrotemporal epilepsy: A benign form of childhood epilepsy that tends to occur at night (during sleep) and involves mainly the face and mouth but may be generalized. The seizures tend to be short-lived and only involve one side of the face. The epilepsy usually resolves itself by adulthood and responds well to medication.
• Century Plant poisoning: The Century Plant contains calcium oxalate crystals which can cause abrasive injuries to the eyes or mucosal linings. It can also cause skin inflammation. The sap is the most toxic part of the plant all though other parts such as the thorns can also cause symptoms.
• Cephalexin - Teratogenic Agent: There is evidence to indicate that exposure to Cephalexin (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Cephalopolysyndactyly: A rare genetic disorder characterized by premature closing of skull bones and craniofacial abnormalities, finger and toe abnormalities. The type and severity of symptoms is variable with many cases remaining undiagnosed because their condition is relatively mild and doesn't cause many problems.
• Cephalosporin-induced Immune Hemolytic Anemia: Cephalosporin-induced immune hemolytic anemia is a condition where a use of a medication called Cephalosporin triggers the body's immune system to destroy it's own red blood cells which results in anemia.
• Cephalothoracic progressive lipodystrophy: A rare acquired disorder that involves adipose tissue abnormalities and is characterized by loss of adipose tissue mainly in the trunk and arms.
• Ceraunophobia: An exaggerated or irrational fear of thunder and lightning.
• Cercarial dermatitis: A short-lived rash that occurs as an allergic reaction to larval (cercariae) infection of the skin. These particular parasites use birds and animals as their first hosts. Larval eggs are excreted in the faeces and when they land in water, they hatch into larvae which then infect certain aquatic snails. The infected snails release another form of the larvae called cercariae which then search for a bird, mammal host. When they enter the skin of a human they die as humans are unsuitable hosts but the skin can produce an allergic reaction.
• Cerebellar agenesis: A rare disorder characterized by an absent or underdeveloped portion of brain called the cerebellum which controls muscle and balance. Partial absence may cause little or no symptoms but complete absence results in movement and muscle problems.
• Cerebellar ataxia - areflexia - pes cavus - optic atrophy - sensorineural hearing loss: A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then tends to come and go but then persists into adulthood. The severity of symptoms is variable.
• Cerebellar ataxia - ectodermal dysplasia: A rare syndrome characterized by balance and coordination problems and teeth and hair abnormalities.
• Cerebellar ataxia syndrome: A disorder where degeneration of certain parts of the brain results in symptoms such as ataxia.
• Cerebellar ataxia, X-linked: A disorder where degeneration of certain parts of the brain results in symptoms such as ataxia. The rate of progression can vary.
• Cerebellar ataxia, areflexia, pes cavus, optic atrophy and sensorinural hearing loss: A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then tends to come and go but then persists into adulthood.
• Cerebellar ataxia, dominant pure: A dominantly inherited form of ataxia that involves only the cerebellar system.
• Cerebellar ataxia, infantile with progressive external ophthalmoplegia: A rare disorder characterized by cerebellar ataxia during infancy and progressive paralysis of eye muscles.
• Cerebellar atrophy with progressive microcephaly: A very rare disorder characterized mainly by a small brain, small head, underdeveloped brain, brain degeneration, contractures, eye problems and seizures.
• Cerebellar hypoplasia: A rare brain disorder where a part of the brain (cerebellum) fails to develop fully. The cerebellum is the part of the brain that controls balance and movement.
• Cerebellar hypoplasia - tapetoretinal degeneration: A rare disorder character where a part of the brain (cerebellum) is underdeveloped and a nonprogressive eye disorder involving the retinal pigments. The cerebellum is the part of the brain that controls balance and movement.
• Cerebellar vermis hypoplasia - oligophrenia - congenital ataxia - coloboma - hepatic fibrosis: A very rare syndrome characterized by ataxia, gaps or holes in various eye structures, mental retardation, liver fibrosis and brain abnormalities.
• Cerebelloolivary atrophy: The degeneration of the parts of the brain called the cerebellum and the olives. Symptoms may vary from case to case depending on the severity and extent of the degeneration.
• Cerebelloparenchymal autosomal recessive disorder 3: A rare, recessively inherited disorder characterized mainly by albinism, incoordination, low muscle tone and eye problems.
• Cerebelloparenchymal disorder 3: A rare disorder characterized by mental deficiency and delayed development of speech and motor skills. The condition is nonprogressive and is caused by degeneration of a part of the brain called the cerebellum.
• Cerebellum agenesis - hydrocephaly: A rare brain disorder which manifests as reduced muscle tone, ataxia, cataracts and mental retardation.
• Cerebral astrocytoma, adult: A very rare tumor that occurs in adults and develops in brain cells called astrocytes. The part of the brain involved is the cerebrum at the top of the head which controls functions such as reading, writing, thinking, learning, speech, emotion and voluntary movement.
• Cerebral calcification cerebellar hypoplasia: A rare fatal condition observed in two sibling and characterized by abnormal calcification in parts of the brain, developmental regression, seizures, blindness and spastic tetraplegia.
• Cerebral calcifications opalescent teeth phosphaturia: A rare condition characterized mainly by the association of abnormal calcifications in the brain (cerebrum), opalescent teeth and excessive levels of phosphates in the urine.
• Cerebral cavernous malformations: A rare disorder where a group of small abnormal blood vessels in the brain. These blood vessels become enlarged, irregularly shaped and thin walled. They swell when filled with blood and are then often unable to return to their original shape and the thin walls means that they can leak blood and cause bleeding in the brain. Severity of symptoms depends on the number and location of the lesions.
• Cerebral dysgenesis, neuropathy, ichthyosis, and palmoplantar keratoderma syndrome: A rare disorder characterized by abnormal brain development, neurological problems, scaly skin and thickened skin on the palms and soles.
• Cerebral gigantism - jaw cysts: A very rare syndrome characterized mainly by abnormal brain development and jaw cysts.
• Cerebral hemorrhage: Bleeding in the brain
• Cerebral hemorrhage with amyloidosis, hereditary, Dutch type: An inherited condition characterized mainly by brain hemorrhage and amyloid deposits in the brain blood vessels. The size and location of the hemorrhage determines the severity of symptoms. The condition was first described in a Dutch family.
• Cerebral palsy, spastic, diplegic: Brain damage that involves muscle rigidity that occurs either in both arms or in both legs. The brain damage is often the result of a birth defect or some sort of trauma to the brain.
• Cerebral sarcoma: A type of brain tumor that can be inherited in an autosomal dominant manner. The tumor arises from blood vessels in the brain. Symptoms may vary depending on the size and exact location of the tumor.
• Cerebral ventricle neoplasm: A tumor that occurs in the fluid-filled spaces of the brain called the ventricles. Symptoms vary depending on the size and exact location of the tumor and whether it is cancerous or not.
• Cerebro oculo genital syndrome: A very rare syndrome characterized mainly by brain, eye and genital abnormalities.
• Cerebro oculo skeleto renal syndrome: A very rare syndrome characterized mainly by brain, eye, skeletal and kidney abnormalities.
• Cerebro-Oculo-Facio-Skeletal Syndrome: A genetic disorder involving degeneration of the brain and spinal cord that starts during the fetal stage.
• Cerebro-facio-thoracic dysplasia: A very rare syndrome characterized by mental retardation, spinal and rib defects and facial anomalies.
• Cerebro-oculo-dento-auriculo-skeletal syndrome: A very rare syndrome characterized by abnormalities of the brain, eyes, teeth, ears and skeleton.
• Cerebro-oculo-nasal syndrome: A rare syndrome characterized mainly by eye, nose and brain malformations.
• Cerebrocostomandibular Syndrome: A rare genetic disorder characterized by a very small jaw, abnormal rib development and a small thorax as well as other abnormalities.
• Cerebrorenodigital syndrome: A rare group of syndromes characterized mainly by brain, kidney, finger and toe abnormalities.
• Cerebrorenodigital syndrome with limb malformations and triradiate acetabula: A rare group of syndromes characterized mainly by brain, kidney, finger and toe abnormalities as well as an abnormal hip socket.
• Cerebrotendinous Xanthomatosus: A rare syndrome where a genetic mutation results in a metabolic disorders caused by a deficiency of sterol 27-hydroxylase deficiency. The condition causes progressive neurological dysfunction, cataracts and premature atherosclerosis. Deposits of cholesterol and cholestanol can be found in any part of the body including the brain. The rate of progression and severity of symptoms varying amongst patients. The degree of neurological involvement is also variable.
• Cerebrovascular accident: Occurs when the blood supply to the brain is interrupted and results in cell injury and death.
• Cerebrovascular symptoms: Symptoms related to the brain's arteries
• Cerivastatin - Teratogenic Agent: There is evidence to indicate that exposure to Cerivastatin (a statin medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Ceroid lipofuscinosis, neuronal: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). The 10 different type of the disorder are distinguished by the origin of the genetic defect.
• Ceroid lipofuscinosis, neuronal 1, infantile: A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase) needed to process it.
• Ceroid lipofuscinosis, neuronal 10: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 10 involves a deficiency of cathepsin D and involves an initial period of normal development with neurodegenerative symptoms starting during the early school years.
• Ceroid lipofuscinosis, neuronal 2, late infantile type: A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (protease tri-peptidyl-peptidase) needed to process it.
• Ceroid lipofuscinosis, neuronal 3, Juvenile: A progressive genetic disorder where defective lipid metabolism that causes blindness, neurological deterioration, dementia leading to total incapication within years and death within 10-15 years.
• Ceroid lipofuscinosis, neuronal 4: A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase 1) needed to process it.
• Ceroid lipofuscinosis, neuronal 5: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 5 is distinguished from other types by the origin of the genetic defect.
• Ceroid lipofuscinosis, neuronal 6, late infantile: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 6 usually occurs between the ages of 2 to 6 years. Type 6 is distinguished from other types by the origin of the genetic defect.
• Ceroid lipofuscinosis, neuronal 7: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 7 is distinguished from other types by the origin of the genetic defect.
• Ceroid lipofuscinosis, neuronal 8: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 8 is distinguished from other types by the origin of the genetic defect.
• Ceroid lipofuscinosis, neuronal 8, northern epilepsy variant: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 8, northern epilepsy variant is distinguished from other types by the origin of the genetic defect. Mental retardation tended to occur by middle age despite normal development during the first few years of life.
• Ceroid lipofuscinosis, neuronal 9: A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 9 is distinguished from other types by the origin of the genetic defect.
• Ceroid storage disease: A rare metabolic storage disease characterized by the abnormal deposits of a waxy substance called ceroid lipfuscin in various parts of the body such as the liver, spleen and intestinal lining.
• Cerulean cataract: A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens.
• Cervenka's syndrome: A rare syndrome characterized by joint and facial abnormalities as well as nearsightedness and degenerative eye problems.
• Cervical Intraepithelial Neoplasia: Dysplasia of the cervical epithelium often premalignant.
• Cervical Spondylosis: Condition where bony changes within the cervical spine causes spinal cord compression with associated neck pain; usually seen in patients over 40 years of age.
• Cervical Teratoma: A cervical teratoma is a very rare form of germ cell tumor that occurs in the neck. These tumors usually develop in the fetus and tend to be large and benign even though they grow continually. In rare cases they can occur in adults in which case they tend to be malignant. These tumors can be quite large and cause problems in other neck structures. Sometimes surgery is required in the uterus or during delivery in order to ensure the infant has access to an airway.
• Cervical cancer: A condition which is characterized by the occurrence of malignancy on the cervix
• Cervical hypertrichosis - peripheral neuropathy: A rare genetic disorder characterized by excessive body hair at birth and peripheral neuropathy.
• Cervical hypertrichosis neuropathy: A very rare disorder characterized mainly by a hairy throat and abnormal sensations in the hands and feet.
• Cervical ribs, sprengel anomaly, anal atresia, urethral obstruction: A rare disorder characterized mainly by kidney and urinary system abnormalities, scoliosis and omphalocele. The features of the disorder are variable with male cases tending to be more severe than female cases. Only a few cases of this condition have been reported.
• Cervicitis: A condition which is characterized by inflammation of the cervix
• Cervicooculoacoustic syndrome: A rare genetic disorder characterized by ocular palsy, congenital perceptive deafness and fusion of the vertebrae in the neck.
• Cetirizine - Teratogenic Agent: There is evidence to indicate that exposure to Cetirizine (an antihistamine) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Chaetophobia: An exaggerated or irrational fear of hair.
• Chagas Cardiomyopathy: Heart disease that can occur as a complication of a chronic parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions.
• Chagas disease: A parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions. The disease primarily involves the heart and gastrointestinal system.
• Chancroid: An sexually transmitted disease caused by the Haemophilus ducreyi bacteria and is characterized by painful genital ulceration.
• Chandler's syndrome: A very rare eye disorder characterized by progressive corneal dystrophy and glaucoma which result in loss of vision.
• Chapple syndrome: A rare birth disorder characterized by painful menstruation, knees bent back and a uterus that is tilted backwards (retroverted). It is believed to be caused by an abnormal fetal position inside the womb.
• Char syndrome: A very rare genetic disorder characterized mainly by an unusual facial appearance, abnormal little fingers and a heart abnormality.
• Charcot-Marie-Tooth Disorder: Degeneration of limb muscles.
• Charcot-Marie-Tooth disease (generic term): A group of inherited neurological disorders characterized by problems with the peripheral nerves. Muscle weakness, muscle wasting and sensory problems are the most common symptoms. The severity and age of onset of symptoms varies depending on the specific subtype of the disorder.
• Charcot-Marie-Tooth disease - deafness: Charcot-Marie-Tooth disease is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Charcot-Marie-Tooth disease and deafness involves the usual CMT symptoms as well as deafness.
• Charcot-Marie-Tooth disease deafness recessive type: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4D is inherited recessively and is caused by a defected in a gene in chromosome 8 and is a severe form of the disease that also involves deafness.
• Charcot-Marie-Tooth disease with ptosis and parkinsonism: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. This particular type of CMT also involves a drooping upper eyelid and parkinsonism.
• Charcot-Marie-Tooth disease with pyramidal features, autosomal dominant: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 5 has an autosomal dominant inheritance, progresses slowly and involves movement disorders.
• Charcot-Marie-Tooth disease, Type 1A: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1A is inherited as an autosomal dominant pattern and involves the duplication of the PMP22 gene on chromosome 17.
• Charcot-Marie-Tooth disease, Type 1B: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1B is inherited as an autosomal dominant pattern and involves a defect in the MPZ gene on chromosome 1. The severity of the condition is variable depending on the age of onset with severe infantile cases resulting in the inability to walk at an early age.
• Charcot-Marie-Tooth disease, Type 1C: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1C is inherited as an autosomal dominant pattern and involves a defect in the LITAF/SIMPLE gene on chromosome 16.
• Charcot-Marie-Tooth disease, Type 1D: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1D is caused by a defect of the ERG2 gene on chromosome 10 and usually results in a severe form of the disease.
• Charcot-Marie-Tooth disease, Type 1E: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1E involves the usual CMT symptoms as well as deafness.
• Charcot-Marie-Tooth disease, Type 1F: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1F is caused by a defect of a gene in chromosome 8 and involves the neurofilament light chain protein.
• Charcot-Marie-Tooth disease, Type 2A: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function.
• Charcot-Marie-Tooth disease, Type 2AI: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A1 has an autosomal dominant inheritance and involves a defect in the KIF1B gene on chromosome 1p36.
• Charcot-Marie-Tooth disease, Type 2AII: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A2 has an autosomal dominant inheritance and involves a defect in the MFN2 gene on chromosome 1p36.
• Charcot-Marie-Tooth disease, Type 2B: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2B has an autosomal dominant inheritance and involves a defect in the gene for the protein RAB 7 located on chromosome 3.
• Charcot-Marie-Tooth disease, Type 2B1: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2B1 has an autosomal dominant inheritance and involves a defect in the LMNA gene located on chromosome 1.
• Charcot-Marie-Tooth disease, Type 2B2: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2B2 has an autosomal dominant inheritance and involves a defect located on chromosome 19.
• Charcot-Marie-Tooth disease, Type 2C: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and involves a defect in chromosome 12 and involves diaphragm and vocal cord weakness as well as hand and foot problems.
• Charcot-Marie-Tooth disease, Type 2D: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2D has an autosomal dominant inheritance and involves a defect in the glycyl RNA synthetase gene on chromosome 7p15. The hands tend to be more severely affected than the feet.
• Charcot-Marie-Tooth disease, Type 2E: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and involves a defect in the neurofilament light gene on chromosome 8p21.
• Charcot-Marie-Tooth disease, Type 2F: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2F has an autosomal dominant inheritance and involves a defect in the HSPB1 gene on chromosome 7.
• Charcot-Marie-Tooth disease, Type 2G: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2G has an autosomal dominant inheritance and involves a defect on chromosome 12.
• Charcot-Marie-Tooth disease, Type 2H: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2H has an autosomal recessive inheritance and involves a defect in the GDAP1 gene on chromosome 8.
• Charcot-Marie-Tooth disease, Type 2I: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function.
• Charcot-Marie-Tooth disease, Type 2J: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2J has an autosomal dominant inheritance and involves a defect on chromosome 1q22.
• Charcot-Marie-Tooth disease, Type 2K: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2K has an autosomal dominant inheritance and involves a defect on chromosome 8.
• Charcot-Marie-Tooth disease, Type 2L: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2L has an autosomal dominant inheritance and involves a defect in the HSPB8 gene on chromosome 12.
• Charcot-Marie-Tooth disease, Type 4A: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4A has an autosomal recessive inheritance and involves a defect in the GDAP 1 protein gene on chromosome 8. The recessive forms of CMT tend to be more severe than the dominant form and often involve hand and foot problems as well as additional systemic symptoms.
• Charcot-Marie-Tooth disease, Type 4B1: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B1 has an autosomal recessive inheritance and involves a defect in MTMR2 gene on chromosome 11.
• Charcot-Marie-Tooth disease, Type 4B2: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and involves a defect in the CMT4B2 gene on chromosome 11.
• Charcot-Marie-Tooth disease, Type 4B2, with early-onset glaucoma: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. This type is characterized by the involvement of glaucoma which starts during childhood.
• Charcot-Marie-Tooth disease, Type 4C: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and involves a defect in the KIAA1985 gene on chromosome 5. It involves motor and sensory problems as well as scoliosis.
• Charcot-Marie-Tooth disease, Type 4E: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and involves a defect in the EGR2 gene on chromosome 10.
• Charcot-Marie-Tooth disease, Type 4F: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4F has an autosomal recessive form of inheritance and is a severe form of the disease. It involves a defect in the PRX gene on Chromosome 19q13.
• Charcot-Marie-Tooth disease, Type 4G: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4G has an autosomal recessive form of inheritance and is a severe form of the disease. It involves a defect on Chromosome 10.
• Charcot-Marie-Tooth disease, Type 4H: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4H has an autosomal recessive form of inheritance and involves a defect on Chromosome 11.
• Charcot-Marie-Tooth disease, X-linked: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X2 is an inherited defect of the X chromosome and affects males to a greater degree than females.
• Charcot-Marie-Tooth disease, X-linked recessive, 2: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X2 is an inherited defect of the X chromosome and affects males to a greater degree than females.
• Charcot-Marie-Tooth disease, X-linked recessive, 3: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X3 is an inherited defect of the X chromosome and affects males to a greater degree than females.
• Charcot-Marie-Tooth disease, X-linked recessive, 4: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4X is an inherited defect of the X chromosome and affects males to a greater degree than females and also involves mental retardation and deafness.
• Charcot-Marie-Tooth disease, X-linked recessive, 5: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X5 is an inherited defect of the X chromosome and affects males to a greater degree than females. In addition to normal CMT symptoms it also involves deafness and eye problems.
• Charcot-Marie-Tooth disease, X-linked, 1: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X1 is an inherited defect of the X chromosome (defect in GJB1 gene) and affects males to a greater degree than females. Transient central nervous system symptoms are also sometimes involved.
• Charcot-Marie-Tooth disease, demyelinating, autosomal dominant: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function.
• Charcot-Marie-Tooth disease, dominant intermediate 1: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. The condition is denoted dominant intermediate because it is inherited dominantly and the nerve conduction speed is at an intermediate level. It involves a defect in chromosome 10.
• Charcot-Marie-Tooth disease, dominant intermediate 2: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. The condition is denoted dominant intermediate because it is inherited dominantly and the nerve conduction speed is at an intermediate level. It involves a defect in the dynamin-2 gene on chromosome 19p13.2.
• Charcot-Marie-Tooth disease, dominant intermediate 3: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. The condition is denoted dominant intermediate because it is inherited dominantly and the nerve conduction speed is at an intermediate level. It involves a defect in the tyrosyl-tRNA gene on chromosome 1p35.
• Charcot-Marie-Tooth disease, type 1: A slow-progressing muscle disease characterized by muscle weakness and wasting that starts in the hands and feet. Very few patients become wheelchair dependent and life span is not affected. The disorder is inherited in an dominant pattern an involves demyelination of the nerves.
• Charcot-Marie-Tooth disease, type 4: A rare group of demyelinating motor and sensory neuropathies consisting of a number of subtypes. The various subtypes are caused by different genetic defects.
• Charcot-Marie-Tooth type 1 aplasia cutis congenital: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. This form of the condition is inherited recessively and involves only mild muscle symptoms as well as a scalp defect.
• Charcot-Marie-Tooth, demyelinating, autosomal recessive: CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4 has an autosomal recessive form of inheritance and is a severe form of the disease.
• Charlie M syndrome: A rare birth disorder characterized by facial abnormalities and malformed or missing parts of the ends of the arms and legs.
• Charlin's syndrome: A syndrome involving severe pain along the nasociliary nerve which is part of the an eye nerve that leads to the mucosal lining of part of the nose cavity. The pain can be extremely severe in some cases.
• Chat room addiction: Chat room addiction refers to the excessive amounts of time spent on computer chat rooms. When the person attempts to reduce the amount of time spent on the activity they suffer withdrawal symptoms such as irritability and anxiety. The preoccupation can cause problems with relationships and even with work performance.
• Chavany-Brunhes syndrome: A condition characterized by the association of a persistent headache with psychoneurotic symptoms. Stress, fatigue and long periods without moving head can trigger an episode.
• Cheatle disease: A rare disease characterized by the development of brown or blue cysts in the female breast tissue. The fluid in the cyst may be clear, thick, greenish or cream-colored. There are often multiple cysts that occur on both breasts.
• Chediak-Higashi like syndrome: A rare genetic disorder characterized mainly by albinism (lack of pigmentation). There are three different subtypes of the disorder (I, II and III) each with varying additional features such as immunodeficiency and neurological symptoms. Type 1 involves partial albinism and neurological symptoms, type II involves partial albinism, immunodeficiency and sometimes neurological symptoms and type III involves albinism only.
• Cheese Washer's lung: Inhalation of cheese particles contaminated with bacteria in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the bacteria in the airborne cheese particles. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such as weight loss and eventually lung scarring and possibly even respiratory failure in severe cases. Acute exposure results in symptoms such as fever, chills, shortness of breath and body aches.
• Cheese Washer's lung - Penicillium spp.: Inhalation of cheese particles contaminated with bacteria (Penicillium spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the bacteria in the airborne cheese particles. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such as weight loss and eventually lung scarring and possibly even respiratory failure in severe cases. Acute exposure results in symptoms such as fever, chills, shortness of breath and body aches.
• Cheilitis glandularis: A rare disorder characterized by inflammation of the lower lip which cause it to become enlarged and everted. The mucous glands and excretory ducts of the lip are also dilated. The condition is associated with an increased risk of lower lip cancer.
• Cheilosis: Inflammation of the lips where there is scaling and fissures.
• Cheimatophobia: An exaggerated or irrational fear of cold.
• Chemical adverse reaction - Cesium: Cesium is a chemical used mainly in the photosterilization of foods such as wheat and potatoes and in the manufacture of photoelectric cells. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount (and concentration) of chemical involved and the nature of the exposure.
• Chemical allergy: A chemical allergy refers to an adverse reaction by the body's immune system to a chemical. The specific symptoms that can result can vary amongst patients depending on the type and duration of the exposure and individual response.
• Chemical burn: A chemical burn is a burn caused by a chemical. Symptoms vary depending on the chemical, the part of the body affected and the duration of the exposure to the chemical. Rapid first aid following exposure can limit the damage caused by the chemical. Chemical burns can occur when certain chemicals are accidentally swallowed, spilt on the skin, splashed in the eyes or even breathed in the case of chemical gases.
• Chemical burn - airways: Burns to the airways caused by a chemical - usually through inhalation but can also occur through aspiration if the chemical is swallowed. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medical attention should be sought if chemical burns to the airways are suspected.
• Chemical burn - eyes: Burns to the eye caused by a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medical attention should be sought if chemical burns to the eyes are suspected.
• Chemical burn - ingestion: Burns to the mouth and gastrointestinal system caused by swallowing a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medical attention should be sought if chemical burns to the gastrointestinal system are suspected.
• Chemical burn - inhalation: Burns to the airways caused by a chemical through inhalation. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medical attention should be sought if chemical burns to the airways are suspected.
• Chemical burn - skin: Burns to the skin caused by a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures.
• Chemical meningitis: Symptomatic aseptic, chemical meningitis is a rare complication of myelography. A number of these cases have a history of one or more episodes of chemical meningitis preceding their arachnoiditis.
• Chemical pneumonia: Lung inflammation from inhaled chemicals
• Chemical poisoning - 1,1-Dichloroethene: 1,1-Dichloroethene is a chemical used in packaging, food wraps, carpet backing, adhesives and steel pipe coating. The main effects of an overdose of this chemical central nervous depression and central nervous system depression. However, some people can suffer an adverse reaction to the chemical. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,1-Dimethylhydrazine: 1,1-Dimethylhydrazine is a chemical used mainly in jet fuel and rocket fuel, plant growth agent, photography and various other industrial uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,2-Dibromo-3-Chloropropane: 1,2-Dibromo-3-Chloropropane is a chemical used in soil fumigants and as a nematocide for various field crops. Commercial examples include Fumagon, Nemagon, Fumazone, Nemapax, Nemafume. Excessive exposure to this chemical can cause relatively mild symptoms. The chemical may be absorbed through the skin. The severity of symptoms varies depending on the amount of chemical involved and the route of exposure.
• Chemical poisoning - 1,2-Dibromoethane: 1,2-Dibromoethane is a chemical used in gasoline, soil fumigants, fire extinguishers, flue gases and mechanical gauge fluid. Excessive exposure to this chemical can cause serious symptoms. Some people can suffer an adverse reaction to the chemical. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,3-Butadiene: 1,3-Butadiene is a chemical used in crop fungicides, carpet backing, paper coating and foams. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,3-Dichloropropene: 1,3-Dichloropropene is a chemical used in solvents and soil fumigants for nematode control. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,3-Dinitrobenzene: 1,3-Dinitrobenzene is a chemical used mainly in explosives. The chemical can be readily absorbed through the skin and cause systemic symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1,4-Dioxane: 1,4-Dioxane is a chemical used mainly as a reagent in laboratries and as a solvent in chemical processing. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1-Amino-2-propanol: 1-Amino-2-propanol is a chemical used mainly in the synthesis of various pharmaceuticals such as methadone and opioid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1-Pentanethiol: 1-Pentanethiol is a chemical used mainly in pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 1-Propanol: 1-Propanol is a chemical used in various antiseptics, polishes, cleaners, cosmetics and lacquer. The main effects of an overdose of this chemical is depression of the central nervous system. However, some people can suffer an adverse reaction to the chemical.
• Chemical poisoning - 2,4,6-Trinitrotoluene: 2,4,6-Trinitrotoluene is a chemical used mainly as an explosive agent and in the production of dyes and photographic chemicals. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2,4-Dichlorophenol: 2,4-Dichlorophenol is a chemical used in the production of antiseptics, bactericides, disinfectants and fungicides. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2,4-Dinitrotoluene: 2,4-Dinitrotoluene is a chemical used the production of explosives, vehicle air bags and polyurethane polymers. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-Amino-2-methylpropanol: 2-Amino-2-methylpropanol is a chemical used mainly in industrial applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-Aminopyridine: 2-Aminopyridine is a chemical used mainly in the production of various medicines (especially antihistamines and anti-inflammatories). Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-Butoxyethanol: 2-Butoxyethanol is a chemical used mainly in dry cleaning, textile dyeing, protective coatings, glass cleaners, solvents, cleaning agents and paint thinners. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-Hexanone: 2-Hexanone is a chemical used mainly in paints, solvents and coated fabrics. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-Methyl-4-Chlorophenoxyacetic Acid: 2-Methyl-4-Chlorophenoxyacetic Acid is a chemical mainly used as a herbicide for field crops and turf. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 2-acetylaminofluorene: 2-acetylaminofluorene is a chemical originally developed for use as a pesticide but this failed due to its carcinogenic properties. It is now primarily used in carcinogenic and mutagenic studies. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 3,3-Dichlorobenzidine: 3,3-Dichlorobenzidine is a chemical used mainly in the production of pigments for various items such as paint, ink, textiles and plastics. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 3-Aminopyridine: 2-Aminopyridine is a chemical used mainly as an intermediate in the production of dyes, pharmaceuticals and various agricultural chemicals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 4,4-Methylenebis: 4,4-Methylenebis is a chemical used in the manufacture of epoxy resins, belt drives, gun mounts, shoe laces and various other manufactured goods. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 4-Aminodiphenyl: 4-Aminodiphenyl is a chemical used mainly in research and laboratory facilities. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 4-Aminopyridine: 4-Aminopyridine is a pesticide used mainly to control bird pests. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - 5,-Methoxy-N,N-Diisopropyltryptamine: 5,-Methoxy-N,N-Diisopropyltryptamine is a chemical used as a designer drug for its hallucinogen and aphrodisiac effects. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Abietic Acid: Abietic Acid is a chemical derived from coniferous trees and used commercially in products such as varnish, soap, and lacquer. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acenaphthene: Acenaphthene is a chemical used mainly in the production of pharmaceuticals, pesticides and dyes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetaldehyde: Acetaldehyde is a chemical used in the production of various products - mirrors, disinfectants, plastics, explosives, varnish and food flavoring. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetic Anhydride: Acetic Anhydride is a chemical used mainly in various industrial processes as well as the production of pharmaceutical products such as aspirin and acetyl salicylic acid. It is also used in the production of heroin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetone: Acetone is a chemical used as a solvent in products such as glues, rubber cement and fingernail polish remover. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetonitrile: Acetonitrile is a chemical used as a solvent mainly in nail removing agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetophenone: Acetophenone is a chemical used mainly as a fragrance, food flavoring agent and as a solvent for plastics and resins. It is also found naturally in small quantities in foods such as bananas, apples and beef. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetyl Methyl Carbinol: Acetyl Methyl Carbinol is a chemical which has a butter-like odor and is thus used as a fragrance, flavoring and aroma carrier. It is used as butter flavoring in microwave popcorn. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetylene: Acetylene is a chemical used mainly as a mixing gas for welding. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetylene Dichloride: Acetylene Dichloride is a chemical used mainly in the production of perfumes, dyes and thermoplastics. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetylene Tetrabromide: Acetylene Tetrabromide is a chemical used mainly in mineral separation and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acetylsalicylic Acid: Acetylsalicylic Acid is also known as aspirin and is primarily used to relieve pain, fever and inflammation. Excessive exposure to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acidic dry cell batteries: Acidic dry cell batteries contain toxic chemicals and eating the batteries can cause various symptoms if the chemical is released from the battery. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acrinathrin: Acrinathrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acrolein: Acrolein is a chemical used mainly in the manufacture of herbicides, pharmaceuticals and textiles as well as anti-contamination agents in the paper industry. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acrylamide: Acrylamide is a chemical used mainly in the treatment of waste water, grout agent, paper strengthening agent and adhesive agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acrylic acid: Acrylic acid is a chemical used mainly in the production of resins and acrylic acids which are usually used in adhesives and coatings. It is also used in water treatment and in the production of plastics and detergents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Acrylonitrile: Acrylonitrile is a chemical used mainly in the production of acrylic and modacrylic fibers but also in the production of certain plastics, nylon dyes, drugs and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Adipic Acid: Adipic Acid is a chemical used in a variety of applications from flavoring and setting aid in foods to production of nylons, paints, plasticizers and lubricants . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Adiponitrile: Adiponitrile is a chemical used mainly in the production of hexamethylene diamine which in turn is used mainly to produce nylon. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Aftershave: Aftershave contains chemicals (ethyl alcohol, isopropyl alcohol) which can cause symptoms if ingested in sufficient quantities. Death from ingesting aftershave is considered unlikely. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Agrocide: Agrocide is a chemical insecticide used mainly to control scabies or lice as well as other agricultural insect pests. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Agronexit: Agronexit is a chemical insecticide used mainly as an agricultural insecticide. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Alachlor: Alachlor is a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Alanycarb: Alanycarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aldicarb: Aldicarb is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aldoxycarb: Aldoxycarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aldrin: Aldrin is a chemical once used mainly in insecticides for crops and as a termite preventative. The chemical can readily be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Alicyclic hydrocarbons: Alicyclic hydrocarbons is a chemical used in a variety of applications such as a chemical intermediate in the production of oils, waxes, fats and resins as well as in the production of fungicides, nylon, paint removers, rubber, varnish and other chemical s such as cellulose ether, benzene and adipic acid. Ingestion and other exposures to the chemical can cause various symptoms. Then type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Alkaline dry cell batteries: Alkaline dry cell batteries contain toxic chemicals and eating the batteries can cause various symptoms if the chemical is released from the battery. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allethrin: Allethrin is a chemical used as an insecticide, mainly in households. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allidochlor: Allidochlor is a herbicide used for various crops and to control grass weeds. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allyl Glycidyl Ether: Allyl Glycidyl Ether is a chemical used mainly in the production of epoxies, thermoplastics, polyester resins, adhesives and elastomers. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allyl alcohol: Allyl alcohol is a chemical used mainly as a weed killers and as a material in the production of other chemical compounds. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allyl chloride: Allyl chloride is a chemical used mainly in the manufacture of epichlorohydrin and glycerin but is also used in the production of products such as polyester, varnish plastic adhesive, insecticides, perfumes and pharmaceuticals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allyl trichloride: Allyl trichloride is a chemical used mainly as a varnish or paint remover, cleaning agent or degreasing agent. Exposure to the chemical can cause symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be carcinogenic.
• Chemical poisoning - Allylamines: Allylamines is a chemical used mainly as an industrial solvent and in the manufacture of pharmaceutical products such as antiseptics, diuretics and sedatives . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Allyxycarb: Allyxycarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aluminum: Aluminum is a chemical used mainly for metallurgical purposes and can be found in packaging, electrical parts, vehicles, cooking utensils, construction materials and building components. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Aluminum Phosphide: Aluminum Phosphide is a chemical used mainly as a rodenticide and fumigant for grains. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ametryn: Ametryn is a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Amidithion: Amidithion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aminocarb: Aminocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Aminoethylethanolamine: Aminoethylethanolamine is a chemical used mainly as a base in the manufacture of fuel additives, oil additives, surfactants, chelating agent, fabric softeners, urethane and coatings. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Amiton: Amiton is a chemical once used as an insecticide and acaricide - it is no longer in use due to its nerve toxicity. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Amitraz: Amitraz is a chemical used mainly as a topical parasitic preventative in livestock and fruit trees. It is also used as an insect repellant and a prevention of mite infestation. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Amitrole: Amitrole is a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ammonia: Ammonia is a chemical used mainly in household cleaning products and bleach. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ammonium Bifluoride: Ammonium Bifluoride is a chemical used wheel cleaners, herbicides and in the manufacture of magnesium. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ammonium Chloride: Ammonium Chloride is a chemical used as a medical agent for conditions such as metabolic acidosis, in deodorizer cleaners and also used in industry in fertilizers, electroplating, galvanizing, soldering and in deodorizer cleaners. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ammonium Nitrate: Ammonium Nitrate is a chemical used mainly in explosives, fireworks and fertilizers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ammonium Sulfamate: Ammonium Sulfamate is a chemical used mainly in herbicides, fertilizers and. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Aniline: Aniline is a chemical used mainly in the manufacture of perfumes, varnishes, resins, dyes, paint removers, herbicides, fungicides, explosives, solvents and photographic chemicals. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Anisidine (o,p-Isomers): Anisidine (o,p-Isomers)is a chemical used mainly in the production process of pharmaceuticals and azo-dyes . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Anisole: Anisole is a chemical used mainly as a solvent and food additive and also in perfumes and detergents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Anti-rust products: Anti-rust products contain various chemicals which are toxic if ingested. The ingested chemicals can continue to cause damage to the organs and gastrointestinal lining for weeks after the ingestion and severe cases can result in death. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Anticoagulant rodenticide: Anticoagulant rodenticide is a chemical used to control rodents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Antifreeze: Antifreeze is used in vehicles to prevent freezing or boiling over of the cooling system. The chemicals (methanol, ethylene and propylene glycol) in the antifreeze can cause severe poisoning symptoms if ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Antimony: Antimony is a chemical often used as an alloy with other metals such as lead. It is used in solder, ammunition, pewter, sheet metal, pipe metal and cable sheaths. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Antu: Antu is used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Aparasin: Aparasin Aparasin. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Aphtiria: Aphtiria is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Arsine: Arsine is a chemical used in the making of semiconductors and in the metal refining industry. It is considered a possible chemical agent in chemical warfare. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Asbestos: Asbestos is a chemical used in a wide range of materials: heat and sound insulation, wall and ceiling panels, pipe insulation, floor tiles, toasters, cements, brake pads, roofing materials and furnaces. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Asphalt: Asphalt is the substance used in road surfacing and is also used in electrical adhesive and paints. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Athyl-Gusathion: Athyl-Gusathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Automatic dishwashing detergent: Automatic dishwashing detergents contain chemicals which can cause severe symptoms if ingested. The chemicals in the dishwashing detergent cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Azinfos-methyl: Azinfos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinfosethyl: Azinfosethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinophos-methyl: Azinophos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinphos: Azinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinphos-ethyl: Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinphos-methyl: Azinphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azinphosmetile: Azinphosmetile is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Azothoate: Azothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Baking soda: Baking soda is generally considered non toxic and is used in cooking. However, excessive doses can cause various symptoms.
• Chemical poisoning - Barium: Barium is an element used in fireworks, glassmaking, contrast X-rays and in the electronics industry . The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Barium Nitrate: Barium Nitrate is a chemical used mainly in fireworks, sparklers and ceramic glazes. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Barthrin: Barthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ben-Hex: Ben-Hex is a chemical insecticide used mainly to control scabies. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bendiocarb: Bendiocarb is a carbamate pesticide used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Benfuracarb: Benfuracarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Benhexol: Benhexol is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benomyl: Benomyl is a chemical used mainly as a fungicide for fruit, vegetables and ornamental plants. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benoxafos: Benoxafos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Bentazon: Bentazon is a chemical used mainly in herbicides for various crop plants. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzaldehyde: Benzaldehyde is a chemical with an almond-like odor and is therefore often used as a food flavoring. It is also use as an industrical solvent. . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzene: Benzene is a chemical used mainly in gasoline fuel and as an industrial solvent. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzene hexachloride: Benzene hexachloride is a chemical insecticide. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzidine: Benzidine is a chemical used mainly in the production of azo dyes for such products as leather, paper and textiles. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzo (a) Pyrene: Benzo (a) Pyrene is a chemical emitted in vehicle exhaust and during burning of wood and coal. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Benzyl Chloride: Benzyl Chloride is a chemical used mainly in the manufacture of products such as dyes, plastics, tannins, perfumes,. Fuel additives, resins, germicides, rubbers, perfumes photographic developers, wetting agents, drugs and pharmaceuticals. It is also used to produce other chemicals such as benzaldehyde and benzyl alcohol. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Beryllium: Beryllium is an element used mainly in vehicle electronics, optics, ore processing, microwave oven parts, fuel containers and disc brakes for aeroplanes. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Beta-cyfluthrin: Beta-cyfluthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bexol: Bexol is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bifenthrin: Bifenthrin is a pyrethroid chemical used as an insecticide and acaricide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bioallethrin: Bioallethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bioehtanomethrin: Bioehtanomethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Biopermethrin: Biopermethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bioresmethrin: Bioresmethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Biphenyl: Biphenyl is a chemical used mainly as a fungicide for fruit packaging and in textile dyes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Borates: Borate is a chemical used in a wide variety of products - herbicides, paints, insecticides, rodenticides and various personal products such as skin creams, toothpastes and powders. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Boric Acid: Boric Acid is a chemical used mainly in foods (preservative, emulsifier, neutralizer), antiseptics, pesticides and contact lens cleaners. Ingestion and other exposures to the chemical can cause various symptoms. Application of boric acid directly to damaged skin can cause the chemical to be absorbed rapidly into the body and lead to death. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bromates: Bromate is a chemical used mainly in perming solution neutralizers and in small amounts as a bread preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bromethalin: Bromethalin is a chemical used mainly in rodenticides. The chemical is toxic to the human nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bromide: Bromide is a chemical used for many applications - flame retardant, industrial uses, pesticides, sanitary products, fumigants, medicines, dyes, photographic solutions and water purification. Bromides act as central nervous system depressants and the ingestion of excessive quantities can cause serious symptoms. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bromoform: Bromoform is a chemical with limited industrial uses but is used as a laboratory chemical and can be present in treated water. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Bromophos: Bromophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Bromophos-ethyl: Bromophos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Bufencarb: Bufencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Butacarb: Butacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Butocarboxim: Butocarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Butoxcarboxim: Butoxcarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Button batteries: Button batteries are small round, button-shaped batteries used in various products such as watches and calculators. Generally, swallowing the batteries will cause no problems unless it becomes stuck in the gastrointestinal tract. The batteries may also be shoved up the nose by children which can cause respiratory problems depending on how far the battery is pushed and how long it remains undetected. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Butyl Alcohol: Butyl alcohol is a chemical used mainly in solvents and in pharmaceutical manufacturing processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Butylamines: Butylamines are chemicals used in a variety of manufacturing processes such as in the production of pesticides, pharmaceuticals, plastics, dyes, textiles and in leather tanning and photography. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cadmium: Cadmium is a chemical used mainly in batteries, solder, amalgams, cigarettes, PVC pigments and phosphate fertilizer production. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cadusafos: Cadusafos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Calcium Oxide: Calcium oxide is a chemical used mainly in sewage treatment, dry cement and in the manufacture of products such as aluminum, glass and steel. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Calcium Polysulfide: Calcium polysulfide is a chemical used mainly in antifungal treatments for trees. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Calcium Sulfate: Calcium Sulfate is a chemical with a wide range of applications from soil conditioners and paint pigment to the manufacture of products such as plaster and tiles. It is also often used as a laboratory reagent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Calcium hypochlorite: Calcium hypochlorite is a chemical used mainly in bleaching products, fungicides, algicides, disinfectants and deodorants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Camphor: Camphor is a chemical used mainly in moth repellents, pharmaceuticals (preservative) cosmetics, explosives, varnishes and various therapeutic applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Captafol: Captafol is a chemical used mainly as a fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Captan: Captan is a chemical used as a fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical is considered to carry a low risk of poisoning through ingestion.
• Chemical poisoning - Carbanolate: Carbanolate is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Carbaryl: Carbaryl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Carbendazim: Carbendazim is a chemical used as a fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Carbofuran: Carbofuran is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Carbon Black: Carbon Black is a powdered form of the elemental carbon. It is used mainly in rubber products such as tires but is also used in paint, ink and plastics. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Carbon Disulfide: Carbon Disulfide is a chemical used mainly in corrosion inhibitors, cold and nickel plating, photography applications and as a solvent in gums and resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Carbon Tetrachloride: Carbon tetrachloride is a chemical used mainly in grain fumigants, insecticides and in the production of fluorocarbons. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Carbophenothion: Carbophenothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Carbosulfan: Carbosulfan is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Castor oil: Castor oil is a type of vegetable oil often used in medicinal or therapeutic products that improve bowel functioning. However, excessive ingestion of castor oil can cause various symptoms.
• Chemical poisoning - Caulking products: Caulking products (e.g. silicon, acrylic, neoprene) are used to seal gaps and the chemicals in them can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cerium: Cerium is metallic element used mainly in carbon electrodes for arc lamps, flat screen televisions, aluminium and iron alloys and the manufacture of stainless steel and permanent magnets. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloralose: Chloralose is a chemical used mainly in poisons for rodents and crows . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorate salts: Chlorate salt is a chemical used mainly in herbicides and in the manufacture of matches and explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlordane: Chlordane is a poison use to control termites - is banned in the US and many other countries due to its harmful effects. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlordecone: Chlordecone is an insecticide used to control pests in crops such as bananas and tobacco. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloresene: Chloresene is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorfenvinphos: Chlorfenvinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Chlorinated naphthalene: Chlorinated naphthalene is a chemical used in a wide range of applications: plasticizers, rubber industries, manufacture of electrical equipment and the petroleum industry. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorine: Chlorine is a chemical used mainly in bleaches, water disinfectants and in pulp mills. Ingestion and other exposures to the chemical can cause various symptoms. Chlorine is very corrosive and extensive damage to body tissues can result. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorine Dioxide: Chlorine dioxide is a chemical used mainly in water treatment and disinfectant for various processing operations. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloroacetophenone: Chloroacetophenone is a chemical used mainly in tear gas for riot control purposes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorobenzene: Chlorobenzene is a chemical used mainly as a solvent and in the production of various other chemicals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorobenzylidene Malononitrile: Chlorobenzylidene Malononitrile is a chemical used mainly in tear gas. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorodiphenyl: Chlorodiphenyl is a chemical used mainly in electrical cables and wires, electric condensers, lubricants and foundry coating and in the manufacture of paper, resins, rubbers, textiles, wood preservatives, electrical components, lacquers, herbicides and plasticizers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloroform: Chloroform is a chemical used mainly as a refrigerant but also as a solvent in various processing and industrial applications. It's use as an anesthetic is relatively uncommon these days. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloromethane: Chloromethane is a chemical used mainly in the production of silicones as well as agricultural chemicals, butyl rubber and other products. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloropicrin: Chloropicrin is a chemical used mainly in fumigants for grain storage. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chloropyrifos: Chloropyrifos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Chlorothalonil: Chlorothalonil is a widely used fungicide which is utilized in crops, lawns and also in paints and wood preservatives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The eyes are the most sensitive to the chemical with oral and skin exposure being only mildly toxic.
• Chemical poisoning - Chlorpyrifos: Chlorpyrifos is a chemical used mainly in as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Chlorpyrifos methyl: Chlorpyrifos methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Chromium: Chromium is a chemical used mainly as an alloy in manufactured steel goods, anti-corrosive plating and also has industrial applications . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cismethrin: Cismethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Clinitest tablet: Clinitest tablet are used to test sugar levels in urine. The tablets contain various chemicals (copper sulfate, sodium hydroxide, sodium carbonate) and eating them can cause serious symptoms. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cloethocarb: Cloethocarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Cloth Dyes: Cloth dyes contain chemicals which are considered not toxic but the ingestion of large amounts cay cause symptoms. Some dyes contain corrosive ingredients which can cause severe gastrointestinal damage and even death in severe cases. Most household cloth dyes don't contain corrosive chemicals. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Coal Dust: Inhalation of coal dust can cause various symptoms. The severity of symptoms varies depending on the amount of coal dust involved.
• Chemical poisoning - Cologne: Colognes contain chemicals such as ethanol and isopropanol which can cause symptoms if ingested or inhaled in excessive quantities. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Coumaphos: Coumaphos is used as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Creosote: Creosote is a chemical used mainly as a disinfectant, laxative and cough treatment. Ingestion and other exposures to the chemical can cause various symptoms. The chemical can be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cresols: Cresols are a group of chemicals that occur naturally in mammals and various plants. It is also manufactured and used in the production of disinfectants, deodorizers and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cresylic acid: Cresylic acids are a group of chemicals that are used as solvents and in the manufacture of various products such as deodorants, disinfectants, pesticides, glues, paints, herbicides, pharmaceuticals as well as others. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cuticle remover: Cuticle removers contain chemicals such as sodium hydroxide and potassium hydroxide which can cause serious symptoms if swallowed or inhaled in excessive quantities. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyanthoate: Cyanthoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Cyclethrin: Cyclethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyclohexanol: Cyclohexanol is a chemical used mainly as an industrial solvent and used in the manufacture of products such as plastic, nylon, soap, varnish, paint, lacquer, degreasers, detergent and insecticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyclohexanone: Cyclohexanone is a chemical used mainly as an industrial solvent, in processes involving oxidative reactions and in the manufacture of certain resins, nylons, insecticides, herbicides, paints, varnish, polishes, degreasers and pharmaceuticals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyclohexylamine: Cyclohexylamine is a chemical used industrial and household applications: pesticides, dry-cleaning soaps, plasticizers, textile chemicals, artificial sweeteners, dyes and corrosion inhibitors. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyfluthrin: Cyfluthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyhalothrin: Cyhalothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyllprothrin: Cyllprothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cypermethrin: Cypermethrin is a widely used insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Cyphenothrin: Cyphenothrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - DDD: DDD is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - DDT: DDT is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Decarbofuran: Decarbofuran is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Deltamethrin: Deltamethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Demeton: Demeton-S is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Demeton-O: Demeton-O is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Demeton-O-methyl: Demeton-O-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Demeton-S-methyl: Demeton-S-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Demeton-S-methylsulphon: Demeton-S-methylsulphon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Demeton-methyl: Demeton-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Denatonium Benzoate: Denatonium Benzoate is a chemical used mainly to give various products a bitter unpalatable taste e.g. nail-biting deterrents and household compounds. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Deoderant: Deoderants contain various chemicals which can cause serious symptoms if sufficient quantities are ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Depilatories: Depilatories are used to remove hair from parts of the body. They contain various chemicals which can cause serious symptoms if sufficient quantities are ingested. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Di-n-Butyl Phthalate: Di-n-Butyl Phthalate is a chemical which has many applications: plasticizer for polyvinyl chloride, nail polish solvent, glow-in-the-dark products, perfumed oil solvent and insect repellant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Di-n-Octyl phathalate: Di-n-Octylphathalate is a chemical used mainly as a plasticizer and in pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dialifos: Dialifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Diazinon: Diazinon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dibenzoyl Peroxide: Dibenzoyl Peroxide is a chemical used mainly in as a topical treatment for skin conditions such as ulcers and acne. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diborane: Diborane is a chemical used mainly as a rocket propellant and in the manufacture of rubbers and electronics manufacture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dibromochloromethane: Dibromochloromethane is a chemical byproduct of water chlorination processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dichloronaphthoquinone: Dichloronaphthoquinone is a chemical used mainly as a fungicide, seed disinfectant and a herbicide for water. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dichlorvos: Dichlorvos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dicresyl: Dicresyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dicrotophos: Dicrotophos is a toxic insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dieldrin: Dieldrin is a chemical used mainly to prevent termite infestations. Ingestion and other exposures to the chemical can cause various symptoms. This chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diesel oil: Diesel oil is a commonly used fuel. Ingestion is unlikely due to the foul taste and smell. Accidental or purposeful ingestion can result in internal burns and various other symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diethyl Phthalate: Diethyl Phthalate is a chemical used mainly in cosmetic and as a plasticizer in the production of various plastic products. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diethylamine: Diethylamine is a chemical used mainly in the production of resins, pesticides, pharmaceuticals, dyes, rubber and in electroplating. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diethylene Glycol: Diethylene Glycol is a chemical used mainly in coolants, manufacture of plastic products and resins as well as other uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Diethylene Glycol Monobutyl Ether: Diethylene Glycol Monobutyl Ether is a chemical used in a variety of applications: cleaning agents, solvent, manufacture of dyes, rubber, soap and printing products . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimefluthrin: Dimefluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimetan: Dimetan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dimethoate: Dimethoate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dimethrin: Dimethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimethyl Phthalate: Dimethyl Phthalate is a chemical used mainly as an insect repellant . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimethylamine: Dimethylamine is a chemical used mainly in the manufacture of products such as detergent, pharmaceuticals and in leather tanning. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimethylnitrosamine: Dimethylnitrosamine is a chemical used mainly as a solving in the manufacture of plastics, rubbers, lubricants and rocket fuel. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dimetilan: Dimetilan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dinitrocresol: Dinitrocresol is a chemical used mainly as a herbicide and fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dinitrophenol: Dinitrophenol is a chemical that has various applications: herbicide, pesticide, fungicide, acaricide, manufacture of dyes and wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dioxacarb: Dioxacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Dioxathion: Dioxathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Diquat Dibromide: Diquat Dibromide is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Disulfiram: Disulfiram is a drug used mainly to manage alcoholism. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Disulfoton: Disulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Diuron: Diuron is a chemical used mainly as a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. This chemical is considered to have a relatively low level of toxicity to humans. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Drain Cleaners: Drain cleaners contain chemicals which can cause severe symptoms if ingested. The chemicals in the drain cleaners cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Drainpipe Cleaners: Drainpipe Cleaners contain chemicals which can cause severe symptoms if ingested. The chemicals in the drainpipe cleaners cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Dye remover: Dye removers can contain chemicals which are corrosive and can cause severe gastrointestinal damage and even death in severe cases. The damage may continue for a few weeks after ingestion so death can occur weeks after the incident. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - EMPC: EMPC is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Empenthrin: Empenthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Emulsion paints: Emulsion paints (latex or water-based) contain various chemicals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Endosulfan: Endosulfan is a chemical used mainly as a crop pesticide and wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Endothall: Endothall is a chemical used mainly as a pesticide and rodenticide but it is rarely used today. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Endothion: Endothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Epichlorohydrin: Epichlorohydrin is a chemical used for a variety of applications - epoxy production, insecticides, solvent and agricultural chemical. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Esfenvalerate: Esfenvalerate is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ether: Ether is a chemical used mainly as an anesthetic and industrial solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethiofencarb: Ethiofencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Ethion: Ethion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Ethoate-methyl: Ethoate-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Ethoprophos: Ethoprophos is a chemical pesticide used as an insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Ethyl Mercaptan: Ethyl Mercaptan is a chemical used mainly in the production of fungicides, insecticides and plastics as well as an odorizing agent for natural gas. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethyl Methacrylate: Ethyl Methacrylate is a chemical used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethyl-guthion: Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Ethylamine: Ethylamine is a chemical used mainly in the manufacture of dyes, rayon, rocket propellant, as a fuel additive and in leather-tanning and cellulose treatment. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethylbenzene: Ethylbenzene is a chemical used mainly in paint thinners, fuels, asphalt, degreasers, manufacture of various as products and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethylene Dichloride: Ethylene Dichloride is a chemical used mainly in fat solvents and as a fumigant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethylene Glycol: Ethylene Glycol is a chemical used mainly in antifreeze, coolants and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. Symptoms tend to occur in three phases: the first 12 hours involves inebriation, seizuresand brain swelling; the second and third day involves deterioration of lung and heart function and the third stage involves kidney damage and possibly failure. Death can occur during any of the stages.
• Chemical poisoning - Ethylene Glycol Dinitrate: Ethylene Glycol Dinitrate is a chemical used mainly in the manufacture of commercial dynamite and blasting gelatin. The chemical may be absorbed readily through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethylene Oxide: Ethylene oxide is a chemical used mainly in detergents, plasticizers, fumigants, inks, cosmetics and brake fluid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethyleneamine: Ethyleneamine is a chemical which is widely used in the manufacture of products such as adhesive, paper, textiles, fuels, lubricants, varnishes, lacquers, coating resins, cosmetics, photographic chemicals and agricultural chemicals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ethylenediamine: Ethylenediamine is a chemical used mainly as a solvent in the manufacturing process for the production of things such as fungicides, waxes, gasoline additives and pharmaceuticals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Etrimfos: Etrimfos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Face Powder: Face powder contains various chemicals that can cause symptoms if ingested although this is rare. Eye and inhalation exposure can also cause symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fenchlorphos: Fenchlorphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenethacarb: Fenethacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenfluthrin: Fenfluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fenitrothion: Fenitrothion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenobucarb: Fenobucarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenpirithrin: Fenpirithrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fenpropathrin: Fenpropathrin is a pyrethroid chemical used as an insecticide and acarcide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fensulfothion: Fensulfothion is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenthion: Fenthion is a chemical pesticide used as an insecticide and avicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Fenvalerate: Fenvalerate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fipronil: Fipronil is a chemical used mainly in pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Flucythrinate: Flucythrinate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Flufenprox: Flufenprox is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fluoridated toothpaste: Fluoridated toothpaste contains fluoride and various other chemicals which can cause serious symptoms if sufficient quantities are swallowed. As little as half a tube of children's paste can cause death in a 2 year old child and a whole tube can cause death in a 9 year old child. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fluvalinate: Fluvalinate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Fonophos: Fonophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Formaldehyde: Formaldehyde is a chemical used mainly in blues, lacquers, fireproofing, electrical insulation, leather tanning products and embalming. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Formothion: Formothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Furathiocarb: Furathiocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Furethrin: Furethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Furfural: Furfural is a chemical used mainly as an industrial solvent and in the manufacture of fuels, foods and ant poisons. The chemical is readily absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Furniture polish: Furniture polish contains chemicals (hydrocarbons) which can cause serious symptoms if ingested. The ingested chemicals can continue to cause damage to the organs and gastrointestinal lining for weeks after the ingestion and severe cases can result in death. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Gasoline: Gasoline is a chemical used as a fuel for combustion engines. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Glaze: Glazes are used to put a shiny finish on various surfaces such as pottery. Glazes contain chemicals such as lead and zinc oxide which can cause serious symptoms if sufficient quantities are eaten. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Glufosinate: Glufosinate is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Glutaraldehyde: Glutaraldehyde is a chemical used mainly in sterilizing agents, herbicides, pesticides and disinfectants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Glycol Ether: Glycol Ether is a chemical used mainly in nail polish removers, products to treat leather, anti-icing agents and as an industrial solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Glyphosate: Glyphosate is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Graphite: Graphite is a mineral used mainly in steel manufacturing, brake lining, pencils and lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Guthion (ethyl): Guthion (ethyl) is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - HCH-gamma: HCH-gamma is an insecticide which is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hair Bleach: Hair bleach contain chemicals which can cause serious symptoms if ingested. The chemicals in the hair bleach can continue to cause gastrointestinal damage for weeks after ingestion. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hair Dye: Hair dyes contain chemicals which can cause serious symptoms if ingested. The chemicals in the hair dye can continue to cause damage for weeks after ingestion. Some dyes contain lead or mercury which can cause neurological problems even if low level exposure occurs over an extended period of time. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Halfenprox: Halfenprox is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Helium: Helium is a chemical used mainly in helium balloons, neon signs and diving gas. The gas is sometimes misused as an inhalant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Heptenophos: Heptenophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Hexabromobiphenyl: Hexabromobiphenyl is a chemical used mainly in fire retardant in thermoplastics found in such things as electrical equipment, car upholstery and motor housing.. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexachlorobenzene: Hexachlorobenzene is a chemical used mainly in seed treatments. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexachlorobutadiene: Hexachlorobutadiene is a chemical used mainly in fumigants and as a solvent in the manufacture of products such as lubricants and rubber. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexachlorocyclohexane (gamma): Hexachlorocyclohexane (gamma) is an insecticide which is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexachlorocyclopentadiene: Hexachlorocyclopentadiene is a chemical used mainly in the production of chlorinated pesticides, flame retardants, dyes and certain resins. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexamethylene Diisocyanate: Hexamethylene Diisocyanate is a chemical used mainly in the production of various products: lacquer, paint, varnish, synthetic rubber, wire insulation, plastic, foams and glue. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hexane: Hexane is a chemical used mainly in the manufacture of products such as glue, paint, shoes and furniture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hydrazine: Hydrazine is a chemical used mainly in rocket fuel, photography, laboratory chemical, corrosion inhibitor, mirror silvering and in the production of pharmaceuticals and pesticides. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hydrogen Chloride: Hydrogen Chloride is a chemical used mainly in the manufacture of rubber and vinyl chloride . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hydrogen Fluoride: Hydrogen Fluoride is a chemical used mainly in car cleaning products and in the production of integrated circuits. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hydrogen Sulfide: Hydrogen Sulfide is a chemical that can be used in production processes (paper, tanneries, sulfide ores) or it may be a byproduct of certain industries. It is also found naturally in sewers and manure. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hydroquinone: Hydroquinone is a chemical used mainly in photography developing solution, pharmaceuticals, fur processing, paints, fuel, organic chemicals, plastics, stone coatings and styrene monomers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Hyquincarb: Hyquincarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Imazapyr: Imazapyr is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Imiprothrin: Imiprothrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Incense: Drinking liquid incense or inhaling incense fumes can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Iodofenphos: Iodofenphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Isofenphos: Isofenphos is an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Isoprocarb: Isoprocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Isopropyl Alcohol: Isopropyl Alcohol is a chemical used mainly as a rubbing alcohol and also in perfumes, paint thinners, disinfectants, cleaners and fuels. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Jet Fuel-4: Jet Fuel-4 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Jet Fuel-5: Jet Fuel-5 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Jet Fuel-8: Jet Fuel-8 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Jewelry cleaner: Jewelry cleaner contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Kerosene: Kerosene is a chemical used mainly in paints, pesticides, lighter fluid, illuminating fuel and heating. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Kratom: Kratom is a plant used to make a tea which produce similar effects to opium . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lacquer: Lacquer contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lead-containing Paint: Lead pain contains lead as well as other harmful chemicals. The lead in the pain is toxic (especially to young children) and ingesting fresh or old paint can cause serious symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lewisite: Lewisite is a very poisonous gas which has the potential to be used in chemical warfare due to its deadly effects. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lighter fluid: Lighter fluid contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Limonene: Limonene is a chemical used mainly as a solvent, in the manufacture of resins and in perfumes and aerosols. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lindane: Lindane is a chemical used mainly as an agricultural insecticide but also as a treatment of lice and scabies infestations. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Lysergic Acid Diethylamide: Lysergic Acid Diethylamide is a hallucinogenic drug which is often misused. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Malathion: Malathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Manganese: Manganese is a chemical used mainly in fertilizers, welding rods, matches, electrical coils, ceramics and animal food additives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Mecarbam: Mecarbam is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Metal cleaner: Metal cleaner contains various chemicals which can cause severe symptoms if ingested or other forms of exposure occur. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Metal polish: Metal polish contains various chemicals which can cause severe symptoms if ingested or other forms of exposure occur. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Metaldehyde: Metaldehyde is a chemical used mainly as a molluscicide, in heating fuel and in fire lighters. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methacrifos: Methacrifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Methacrylate: Methacrylate is a chemical used mainly in plastics, adhesives and bone cements. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methamidophos: Methamidophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Methane: Methane is a natural gas that can be used as a fuel and also has industrial uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methanol: Methanol is a chemical used mainly in fuel, paint removers, solvent, antifreeze and in the production process of many other products. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methidathion: Methidathion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Methiocarb: Methiocarb is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methomyl: Methomyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Methyl Bromide: Methyl Bromide is a chemical used mainly in insecticides, fire extinguishers, wool degreasers and oil extraction. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methyl Ethyl Ketone: Methyl Ethyl Ketone is a chemical used mainly in fiberglass and plastic manufacture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methyl Isocyanate: Methyl Isocyanate is a chemical used mainly in herbicides and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methyl Mercaptan: Methyl Mercaptan is a chemical used mainly in the production of plastic, pesticides and jet fuel. It is also used in certain toxic gases to give them a detectable odor. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methyl Tert-Butyl Ether: Methyl Tert-Butyl Ether is a chemical used mainly in automotive gasoline but is also used as a solvent and chemical reagent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methyl parathion: Methyl parathion is a chemical used mainly as an insecticide for various crops. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methylene Chloride: Methylene Chloride is a chemical used mainly in paint removers, nail polish remover, fumigants and fire extinguishers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Methylene Dianiline: Methylene Dianiline is a chemical used mainly in corrosive inhibitors, epoxy resins and polyurethane. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Metiltriazotion: Metiltriazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Metobromuron: Metobromuron is a chemical used mainly as a herbicide. The chemical is generally considered toxic only if large amounts are consumed. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Metofluthrin: Metofluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Metolcarb: Metolcarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Mevinphos: Mevinphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Mexacarbate: Mexacarbate is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Mineral-Based Crankcase Oil: Mineral-Based Crankcase Oil is a chemical used mainly as a fuel . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Mirex: Mirex is a chemical used mainly to control fire ants but also other insecticides such as mealy bugs. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Molybdenum: Molybdenum is a chemical used mainly in steel alloys lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Monocrotophos: Monocrotophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Monosodium Methanarsenate: Monosodium Methanarsenate is a chemical used mainly as a herbicide or pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Morpholine: Morpholine is a chemical used in a variety of applications: rubber industry, corrosion inhibitor, pharmaceuticals, dyes, crop pesticides and as a solvent in various manufacturing processes. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Mould remover: Mould removers contains various chemicals which can cause serious symptoms if swallowed, inhaled or skin and eye exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe cases. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Mouth Wash: Mouth wash contains various chemicals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - N,N-Dimethyl-P-Toluidine: N,N-Dimethyl-P-Toluidine is a chemical used mainly in artificial nail solutions. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - N-Butyl Chloride: N-Butyl Chloride is a chemical used mainly in veterinary worming applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - N-Methyl-2-Pyrrolidone: N-Methyl-2-Pyrrolidone is a chemical used mainly in paint strippers, wire coating processes, petroleum industry and in the microelectronics industry. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - N-Nitrosodiphenylamine: N-Nitrosodiphenylamine is a chemical used mainly in the rubber production industry. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Naphthalene: Naphthalene is a chemical used mainly as a moth repellant, toilet deodorizer and the manufacture of other chemicals. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nickel Carbonyl: Nickel Carbonyl is a chemical used mainly in petroleum and rubber production and in electroplating. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitric Acid: Nitric Acid is a chemical used mainly as a cleaning agent for food and dairy equipment, in explosives, metal etching, in liquid fuel rockets and as a laboratory reagent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrilacarb: Nitrilacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Nitrites: Nitrite is a chemical used in many applications: manufacture of dyes, fabric manufacture, corrosive inhibitors, photography and cyanide antidote kits. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrobenzene: Nitrobenzene is a chemical used mainly in floor polish, shoe dyes, soaps and the production of other chemicals such as cellulose ether and acetaminophen. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitroethane: Nitroethane is a chemical used mainly as in industrial solvent, fuel additive, propellant, manufacture of pharmaceutical products and in artificial nail removers . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrofen: Nitrofen is a used as a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrogen Dioxide: Nitrogen Dioxide is a chemical which has industrial applications but is also an air pollutant formed by burning fossil fuels such as gas, oil and coal as well as vehicle exhaust and industrial byproduct. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitroglycerin: Nitroglycerin is a chemical used mainly in the manufacture of explosives, dynamite, rocket propellant and smokeless powders. The chemical is readily absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrophenol Urea: Nitrophenol Urea is a pesticide. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrotoluene: Nitrotoluene is a chemical used mainly in industrial applications for the production of things such as agricultural chemicals, explosives, rubber chemicals, sulfur dyes and azo dyes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Nitrous Oxide: Nitrous Oxide is a chemical used mainly as rocket fuel, foaming agent and as an anesthetic. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Oil-based paint: Oil-based paint contains various chemicals which can cause serious symptoms if sufficient quantities are swallowed or if other types of exposure occurs. These paint contain toxic hydrocarbons as well as various other heavy metals depending on the type of paint. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Omethoate: Omethoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Osmium: Osmium is a chemical used mainly in alloys to produce very strong metals for such items as fountain pen tips and electrical contacts. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Oven Cleaners: Oven cleaners contain toxic chemicals which can cause serious symptoms on exposure. Severe gastrointestinal burns can be caused by ingesting oven cleaner. The burns can lead to perforation which involves a high risk of death. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Oxamyl: Oxamyl is a carbamate pesticide used mainly as an insecticide, acaricie and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Oxydeprofos: Oxydeprofos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Oxydisulfoton: Oxydisulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Palladium: Palladium is a chemical which is very widely used in manufactured goods: jewelry, electronics, dentistry, medicine, groundwater treatment and fuel cells . Palladium carries a high risk of sensitization. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Para-Dichlorobenzene: Para-Dichlorobenzene is a chemical used mainly as a pesticide, mold and mildew preventer, moth repellent and toilet deodorant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Paraffin wax: Paraffin wax is a chemical used mainly in the production of candles, paraffin papers, varnishes, floor polishes, food packaging, lubricants, cosmetics, wood waterproofing, cork and perfume extraction. The fumes from burning paraffin wax can be quite harmful if excessive inhalation occurs. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Paramethoxyamphetamine: Paramethoxyamphetamine is used as a recreational hallucinogenic drug. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Paraphenylenediamine: Paraphenylenediamine is a chemical used mainly in photographic developing solutions, hair dye, photocopying and printing ink, black rubber, grease, temporary tattoos and car cosmetics. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Parathion: Parathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Parathion Methyl: Parathion Methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Pentaborane: Pentaborane is a chemical used mainly as a fuel additive, reducing agent and rocket propellant. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pentachlorophenol: Pentachlorophenol is a chemical used mainly in fungicides, herbicides, insecticides, molluscicides, algicides and bactericides. It is commonly used as a wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pepper Spray: Pepper Spray is a chemical used mainly in riot control. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Permethrin: Permethrin is used as an insecticide for agricultural crop, households and animal insects such as body lice. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Perming lotion: Perming lotion is a product used to create permanent hair curls. It contains chemicals such as thioglycolate which can cause poisoning symptoms if exposure occurs. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Petroleum Distillates - Naphtha: Petroleum Distillates - Naphtha is a chemical used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phencyclidine: Phencyclidine is often used as an illegal recreational drug. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phenkapton: Phenkapton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phenmedipham: Phenmedipham is used as a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phenol: Phenol is a chemical used mainly in the production of fertilizer, explosives, rubber, paint, paint remover, perfumes, asbestos products, wood preservatives, resins, textiles, pharmaceuticals and drugs. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phorate: Phorate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phosalone: Phosalone is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phosdrin: Phosdrin is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phosmet: Phosmet is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phosphamidon: Phosphamidon is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phosphine: Phosphine is a chemical used mainly in pesticides and rodenticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Phoxim: Phoxim is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Phthalthrin: Phthalthrin is an insecticide - it is used mainly for indoor purposes. Ingestion and other exposures to the chemical can cause various symptoms. Generally, large amounts need to be involved to cause serious symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pine Oil: Pine Oil is a chemical used mainly as a disinfectant or cleaning agent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pirimicarb: Pirimicarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Pirimiphos-methyl: Pirimiphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Platinum: Platinum is a metal used mainly in jewelry, electrical contacts, dentistry, laboratory equipment and vehicle emission control devices. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Plutonium: Plutonium is metallic element used mainly in the production of nuclear weapons. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Polychlorinated Biphenyls: Polychlorinated Biphenyls are a group of chemicals which had a variety of applications but are now banned due to the fact that they don't degrade in the environment and tend to build up in the food chain where they can cause harmful effects. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Polychlorinated Dibenzofurans: Polychlorinated Dibenzofurans are a group of chemicals that are usually formed as a byproduct of various industrial processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Polycyclic Aromatic Hydrocarbons: Polycyclic Aromatic Hydrocarbons are a group of chemicals which are generally pollutants formed from vehicle exhaust, flue gases., coke production, smoked food and tobacco smoke. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Polyethylene Glycol - Low Molecular Weight: Low molecular weight polyethylene glycol is a chemical used mainly in hair products, cosmetics, topical medications and in Lava lamps. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pool Cleaners: Pool Cleaners contain various chemicals (mainly chlorine) which can cause serious symptoms if sufficient quantities are swallowed. The chemicals are very damaging to the mucosal linings in the body. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Potassium Permanganate: Potassium Permanganate is a chemical used in various applications: topical antibacterial, photography, laboratory chemical, wood dye, water purification and bleaching processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Prallethrin: Prallethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Primiphos methyl: Primiphos methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Profenofos: Profenofos is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Profluthrin: Profluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Promacyl: Promacyl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Promecarb: Promecarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Propachlor: Propachlor is a herbicide used mainly to control annual grasses, certain weeds and various crops. The chemical is considered relatively nontoxic to human and is unlikely to cause serious symptoms upon exposure. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Propoxur: Propoxur is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Propylene Glycol: Propylene Glycol is a chemical used mainly in cosmetics and in antifreeze and as a pharmaceutical solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Propylene Glycol Dinitrate: Propylene Glycol Dinitrate is a chemical used mainly as a propellant or occasionally in explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Prothidathion: Prothidathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Prothoate: Prothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Protrifenbute: Protrifenbute is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyresmethrin: Pyresmethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyrethrin: Pyrethrin is used mainly as an indoor insecticide. Pyrethrin is considered to have a relatively low level of toxicity with large amounts usually required to produce toxicity symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyrethroid: Pyrethroid is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyridine: Pyridine is a chemical used mainly in the production of herbicides, pesticides, antihistamine steroids, sulfa antibiotics, water repellents, dyes, paints and rubber. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyrimidifen: Pyrimidifen is a chemical used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Pyrimitate: Pyrimitate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Quinalphos: Quinalphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Quinone: Quinone is a chemical used mainly in industrial applications for the manufacture of dyes, chemicals, textiles cosmetics and in the tanning processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Quintiofos: Quintiofos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - RDX: RDX is a chemical used mainly in explosives, fireworks, detonators and rodenticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Radium: Radium is a chemical used mainly as an anti-cancer agent . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Radon: Radon is a naturally occurring element produced by the decay of uranium found in rock, water and soil. Radon levels may be increased in confined indoor areas which are connected to the ground through cracks in the floor or foundations. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Resmethrin: Resmethrin is an insecticide used mainly inside the home. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Rotenone: Rotenone is a naturally occurring chemical found in certain plants (Derris and Lonchocarpus sp.). It gives the plant insecticidal and pesticidal properties and is hence utilized commercially as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. Inhalation tends to cause more severe symptoms than ingestion. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Ruthenium: Ruthenium is an element used mainly in the electrical and chemical industries as well as alloys. It is considered one of the rarest metals on earth. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Selenious Acid: Selenious Acid is a chemical used mainly in gun bluing agents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Selenium: Selenium is a chemical element used mainly as an industrial catalyst, in glass and ceramic manufacturing, as an animal feed additive, in photography and in the electronics industry. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Selenium Dioxide: Selenium Dioxide is a chemical used mainly in gun bluing solutions. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Silafluofen: Silafluofen is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Silver: Silver is a chemical used mainly in electric products and photography. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sodium Azide: Sodium Azide is a chemical used mainly in nematocides, herbicides, explosives detonators and in vehicle air bags. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sodium Hypochlorite: Sodium Hypochlorite is a chemical used mainly in disinfectants, bleach, deodorizers and as a water purifier. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sodium Monofluoroacetate: Sodium Monofluoroacetate is a chemical used mainly as a rodenticides, often to control mammal pests in crops. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sodium Oleate: Sodium Oleate is a chemical used mainly in insecticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Solder: Solder contains various chemicals and heavy metals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sophamide: Sophamide is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Stoddard Solvent: Stoddard Solvent is a solvent used in dry cleaning, ink printing, adhesives, paint thinners, liquid photocopier toners. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Strychnine: Strychnine is used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sulfotep: Sulfotep is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical may be absorbed through the skin.
• Chemical poisoning - Sulfur Dioxide: Sulfur Dioxide is a chemical used mainly as a disinfectant, food preservative, fumigant, antioxidant and in the manufacture of some cements. It is also found as an air pollutant associated with smelters. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sulfur Trioxide: Sulfur Trioxide is a chemical used mainly in the production of sulfuric acid and explosives. Sulfur trioxide is also a significant air pollutant which can mix with moisture in the air to produce "acid rain". Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sulfuric Acid: Sulfuric Acid is a chemical used mainly in car batteries and in the fur and leather industries. It is a significant component of air pollution and results in the production of "acid rain". Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Sulfuryl Fluoride: Sulfuryl Fluoride is a chemical used mainly as a fumigant insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poisoning - Tar remover: Tar remover contains various chemicals (mainly hydrocarbons) which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
• Chemical poiso