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Symptoms » Leg symptoms » Glossary
 

Glossary for Leg symptoms

Medical terms related to Leg symptoms or mentioned in this section include:

  • $1q deletion$: 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.
  • $22q11.2 deletion syndrome$: 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.
  • $2q deletion$: 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.
  • $3-methylglutaconic aciduria, type 1$: A recessively inherited metabolic disorder characterized by methylglutaconic acid in the urine.
  • $49,XXXXY syndrome$: 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.
  • ACPS III: A rare genetic condition characterized by head and digital anomalies as well as other abnormalities.
  • ARTS syndrome: A rare lethal syndrome characterized by deafness, optic atrophy and ataxia.
  • Aagenaes syndrome: A rare inherited birth abnormality involving underdeveloped lymph vessels which results in swollen legs and liver problems.
  • Aase-Smith I syndrome: A very rare hereditary syndrome characterized by deformities such as joint contractures, anemia, hydrocephalus and cleft palate.
  • Abdominal Aneurysm: Dilatation of a section of the abdominal aorta, usually due to a weakness in the wall of the artery
  • Abdominal chemodectomas with cutaneous angiolipomas: A rare genetic condition involving the growth of a tumor-like mass of lymphatic tissue in the abdomen.
  • Absent alpha 1 band: An absence of alpha-1-antitrypsin the the body
  • 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.
  • Acanthocheilonemiasis: A rare tropical infection caused by a particular threadworm usually found in Africa. It may cause skin rashes, muscle and joint pains, neurologic disorders and skin lumps. The cerebrospinal fluid may also contain the larvae.
  • 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.
  • 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.
  • 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.
  • Acheiropodia: Rare congenital defect where hands and feet are missing.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Acro coxo mesomelic dysplasia: A rare inherited form of dwarfism characterized mainly by shortening of the middle and end parts of the limbs.
  • 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.
  • 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.
  • 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.
  • 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, 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
  • Acromesomelic dysplasia Brahimi Bacha type: A very rare genetic malformation syndrome characterized primarily by developmental abnormalities of the face and skeletal bones.
  • Acromesomelic dysplasia, Maroteaux type: A rare genetic syndrome characterized by various developmental abnormalities of the skeletal bones and facial anomalies.
  • 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.
  • 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 rheumatic fever: Bacterial joint infection with risk of heart complications.
  • 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.
  • 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.
  • 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.
  • Adrenal gland symptoms: Symptoms affecting the adrenal glands
  • 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.
  • 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.
  • 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-onset ALD: Form of ALD in adults.
  • 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.
  • Alexander Syndrome: Brain myelin disorder causing mental degeneration.
  • Allergic tension-fatigue syndrome: Variable symptoms caused by food allergy.
  • Alpers Syndrome: A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation.
  • 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 macrothrombocytopenia: A rare inherited syndrome characterized by progressive kidney damage and hearing loss as well as macrothrombocytopenia.
  • 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.
  • Alves Castelo dos Santos syndrome: A rare syndrome characterized by hair, eye, skin and spinal abnormalities.
  • 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.
  • 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.
  • 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.
  • Ampola syndrome: A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities.
  • 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.
  • 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, 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.
  • 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.
  • Anaphylaxis: An immediate hypersensitivity reaction due to the exposure of a specific antigen to a sensitized individual
  • Anauxetic dysplasia: A rare disorder characterized by abnormal skeletal and spinal development.
  • 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.
  • 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.
  • Ankle blueness: A blue discolouration of the ankle
  • Ankle bruise: A haematoma that occurs at the ankle.
  • Ankle burning sensation: A burning sensation located in the ankle
  • Ankle clonus: a rhythmic contraction of the calf muscles following a sudden dorsiflexion of the foot, the leg being semiflexed
  • Ankle coldness: A cold sensation occurring at the ankle
  • Ankle fracture: Fracture of bones in the ankle.
  • Ankle itch: A sensation that causes a desire to scratch the skin of the ankle
  • Ankle lump: A palpable lesion located anatomically at or near the ankle joint
  • Ankle numbness: A loss of sensation located at or around the ankle region of the foot.
  • Ankle pain: Pain affecting the ankle joint
  • Ankle paralysis: A loss of the motor and or sensory function of the ankle due to either a muscular or neural mechanism
  • Ankle paresthesia (tingling): A loss of sensation located at or around the ankle region of the foot.
  • Ankle rash: An eruption on the skin of the ankle.
  • Ankle spasm: A sudden involuntary contraction of the muscles surrounding the ankle joint.
  • Ankle sprain: Damage to the ankle ligaments.
  • Ankle swelling: Ankle swelling often from injury or fluid retention.
  • Ankle symptoms: Symptoms affecting the ankle
  • Ankle tingling/paresthesias: A tingling sensation located on the ankle.
  • Ankle weakness: A decrease in the usual strength of the movements of the ankle
  • Ankylosing Spondylitis: A form of chronic inflammation of the spine which may also affect joints in the shoulder, hip, neck, ribs and jaw. May result in loss of mobility. Also called Marie-Strumpell disease.
  • Ankylosis - facial anomalies - pulmonary hypoplasia syndrome: A rare familial syndrome characterized mainly by fused or stiff joints, facial anomalies and underdeveloped lungs.
  • 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.
  • Anophthalmos with limb anomalies: A rare disorder characterized by absent eyes
  • Ansell-Bywaters-Elderking syndrome: A rare familial syndrome characterized mainly by mental retardation, rash, eye inflammation and joint disease.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Arachnidism: Poisoning from a spider bite.
  • Arachnodactyly: Hands and fingers, and feet and toes, are abnormally long and slender.
  • 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.
  • Aromatase deficiency: A congenital deficiency of the enzyme called aromatase which is needed to convert androgens to estrogens.
  • 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.
  • Arthritis: A condition which is characterized by the inflammation of a joint
  • Arthrogryposis: A condition which is characterized by the persistent flexure of a joint
  • 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 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, 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, congenital - myopathic seizures: A rare syndrome characterized by mental retardation and muscle problems.
  • 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.
  • Ashley syndrome: A rare syndrome characterized mainly by an unusual facial appearance and muscle and skeletal abnormalities.
  • Ataxia - apraxia - mental retardation, X-linked: A rare X-linked syndrome characterized mainly by ataxia, apraxia and mental retardation. The symptoms are generally nonprogressive.
  • Ataxia - diabetes - goiter - gonadal insufficiency: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
  • 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 2: A very rare inherited skeletal disorder involving the bone and cartilage and resulting in various bone abnormalities.
  • Atherosclerosis: A condition which is a form of arteriosclerosis where atheromas are caused by the aggregation of cholesterol and lipids
  • Athlete's foot: A condition which is characterized by a chronic superificial infection of the foot caused by a fungi
  • 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.
  • Attention Deficit Hyperactivity Disorder: Behavioral disorder with hyperactivity and/or inattention.
  • 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.
  • 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.
  • Austrian syndrome: A condition where alcoholism is associated with heart failure and pneumococcal meningitis.
  • Autoimmune thyroid diseases: Autoimmune diseases of the thyroid gland.
  • 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.
  • 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.
  • 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.
  • Bacterial endocarditis: Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria.
  • Bahemuka Brown syndrome: A very rare syndrome characterized by spastic paraplegia and skin pigmentation irregularities.
  • 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.
  • Baraitser burn fixen syndrome: A rare syndrome characterized mainly by skeletal abnormalities, a skin disorder and an expressionless face.
  • Barbiturate abuse: Abuse of barbiturate medications
  • 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.
  • Bartenwerfer syndrome: A rare disorder characterized by dwarfism and facial and skeletal abnormalities. The disorder is a variant of Morquio disease.
  • 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.
  • 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.
  • Behcet's Disease: Recurring inflammation of small blood vessels affecting various areas.
  • Behind knee itch: A sensation thatcauses a desire to scratch the skin behind the knee
  • Behind knee lump: A palpable lesion located anatomically behind the knee
  • Behind knee pain: A feeling of distress and agonycaused by the stimulation of pain nerve endings behind the knee
  • Behind knee rash: An eruption on the skin behind the knee.
  • Behind knee swelling: Swelling behind the knee
  • 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.
  • Bellini-Chiumello-Rinoldi syndrome: A very rare syndrome characterized primarily by mental retardation, short stature and unusual shaped ends of long bones.
  • 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.
  • 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.
  • 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.
  • Beriberi: Disease due to vitamin B1 deficiency (thiamine)
  • 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.
  • Bessel-Hagen disease: A dominantly inherited disorder characterized by growth of multiple tumors made up of cartilage on the bones.
  • Bethlem myopathy: A rare, slow-progressing, genetic muscle disorder where the muscle gradually weaken and become wasted.
  • 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.
  • Biemond syndrome type 2: A rare inherited condition characterized by mental retardation, obesity, polydactyly and underdeveloped genitals.
  • Bindewald-Ulmer-Muller syndrome: A rare syndrome characterized mainly by a heart defect, and mental and growth retardation.
  • 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.
  • Blue nails: A condition which is characterized by the occurrence of nails that are blue in appearance
  • 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 dysplasia - corpus callosum agenesis: A very rare syndrome characterized mainly by abnormal brain development and bone growth abnormalities.
  • Bone dysplasia with medullary fibrosarcoma: A rare inherited bone disorder characterized by aggressive bone tumors and defective bone development. The tumors metastasized readily.
  • Bonnier's syndrome: A range of symptoms caused by damage to Dieter's nucleus (the lateral nucleus of the vestibular nerve) or its connections.
  • Bow legs: Bowlegs is a condition in which the knees remain wide apart when a person stands with the feet and ankles together
  • Bowen-Conradi Syndrome: A very rare inherited disorder characterized by low birth weight, small head, facial anomalies and failure to thrive.
  • 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.
  • 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.
  • Brachydactyly: Short fingers or toes relative to the other arm and legs.
  • Brachyphalangy, polydactyly, and tibial aplasia/hypoplasia: A rare syndrome characterized mainly by short digits, extra digits and a small or absent shin bone.
  • Brain - bone - fat: A rare inherited disease characterized by bone cysts and progressive presenile dementia.
  • Brain symptoms: Symptoms affecting the brain
  • 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.
  • Brittle fingernails: A condition which is characterized by brittle fingernails
  • Brittle nails: thinning of the nail plate
  • Brodie knee: Chronic inflammation of the knee joint.
  • Broken foot: Fracture of one or more foot bones
  • Broken leg: Fracture of a bone in the upper or lower leg
  • Broken toe: Fracture of a bone in a toe
  • Brown nails: The occurrence of brown nails
  • 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, 2: A very rare syndrome characterized primarily by limited joint extension (congenital contractures), weak fragile bones and webbed skin at elbows and knees.
  • Brudzinski's sign: A symptom which occurs in meningitis when flexion of the neck causes flexion of the hip and knee
  • 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.
  • Bruyn-Scheltens syndrome: A rare syndrome characterized by limb weakness and muscle wasting in the hands and feet.
  • 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.
  • 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
  • Bunion: A bunion is a painful swelling of the soft tissue, and bone enlargement over the inside of the ball of the big toe. Often the big toe will look as if it is bent in towards the other toes or even can lie across them.
  • Burning Legs: Burning sensation in one or both feet.
  • Burning feet: Burning sensation in one or both feet.
  • 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
  • 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.
  • 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.
  • Calf pain: Pain or tenderness of the calf muscle behind the lower leg
  • Calf swelling: Swelling of the calf muscle (behind the lower leg)
  • 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.
  • Camptodactyly - fibrous tissue hyperplasia - skeletal dysplasia: A rare syndrome characterized by a hand deformity and skeletal abnormalities.
  • 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, fibrous tissue hyperplasia, and skeletal dysplasia: A rare syndrome characterized by a hand deformity and skeletal abnormalities.
  • 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: 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.
  • 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.
  • 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.
  • 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 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.
  • Cardiomyopathy: A condition characterized by an increase in the size of the heart
  • 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 - 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 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, Alcoholic: A weakened heart mucle due to excessive alcohol consumption. Symptoms are usually not evident until the heart becomes severely damaged.
  • Cardiomyopathy, familial dilated: An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally.
  • Carnevale-Canun-Mendoza syndrome: A rare disorder characterized by loss of bone tissue in the wrists and ankles as well as kidney problems.
  • Carpopedal spasm: spasm of the hands or feet
  • 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.
  • 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.
  • 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.
  • 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, alopecia, sclerodactyly: A rare disorder characterized by cataracts, lack of hair and skin changes in the hands and feet.
  • Caudal dysplasia sequence: A rare congenital disorder characterized by abnormal development of the lower spine during the fetal stage.
  • Celiac Disease: Digestive intolerance to gluten in the diet.
  • 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.
  • 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 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.
  • Cerebelloparenchymal autosomal recessive disorder 3: A rare, recessively inherited disorder characterized mainly by albinism, incoordination, low muscle tone and eye problems.
  • Cerebro oculo genital syndrome: A very rare syndrome characterized mainly by brain, eye and genital abnormalities.
  • 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.
  • Cervical hypertrichosis - peripheral neuropathy: A rare genetic disorder characterized by excessive body hair at birth and peripheral neuropathy.
  • 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.
  • 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.
  • Charcot-Marie-Tooth Disorder: Degeneration of limb muscles.
  • 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 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 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, 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, 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, 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.
  • 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - Heptachlor: Heptachlor is a chemical used mainly in pesticides to control termites and fire ants. 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 - 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 - Trichlorfon: Trichlorfon is an insecticide used mostly in crops. It is considered motderately toxic to humans. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
  • Chemical poisoning - gamma-HccH: Gamma-HccH 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.
  • Chiari Malformation: Protrusion of the brain down the spinal column.
  • Chilblain: Skin inflammation usually in cold weather
  • Childhood hypophosphatasia: An inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate which results in loss of deciduous teeth before the age of 5 as well as muscle and bone problems - childhood onset.
  • Chlorothiazide - Teratogenic Agent: There is evidence to indicate that exposure to Chlorothiazide ( a diuretic) 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.
  • Chlorpromazine - Teratogenic Agent: There is evidence to indicate that exposure to Chlorpromazine (a neuroleptic 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.
  • Chlortetracycline - Teratogenic Agent: There is evidence to indicate that exposure to Chlortetracycline (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.
  • Cholestasis - lymphoedema, syndrome: A rare inherited birth abnormality involving underdeveloped lymph vessels which results in swollen legs and liver problems.
  • Chondrodysplasia, acromesomelic, with genital anomalies: A very rare condition characterized by severe limb malformations and genital anomalies. The reported case involved related parents.
  • Chondroectodermal dysplasia: An inherited skeletal dysplasia marked that results in short-limbed dwarfism, development of an extra finger as well as cardiovascular impairments. Also called Ellis-van Creveld syndrome.
  • Chondromalacia: Softening of cartilage.
  • Chordoma: Chordomas are tumors originating from embryonic remnants of the primitive notochord
  • Chromosome 1(q12q22) duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q12q22) of chromosome 1 which results in various abnormalities.
  • Chromosome 1, Partial Trisomy: A rare genetic disorder where part of the genetic material from chromosome 1 is duplicated so there are three copies in the body's cells rather than the normal two copies. The type and severity of symptoms is variable depending on the size and location of the genetic material duplicated.
  • Chromosome 1, monosomy 1p32: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, clubfoot an umbilical hernia.
  • Chromosome 1, trisomy 1q42 qter: A rare chromosomal disorder where duplication of a portion of chromosome 1 causes various abnormalities such as clubfoot, poor muscle tone, neurological dysfunction, short stature, mental retardation and narrowing of the pulmonary arteries and valves.
  • Chromosome 10, trisomy 10p: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 10 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated.
  • Chromosome 10p duplication syndrome: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 10 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated.
  • Chromosome 10p duplication/10q deletion syndrome: A rare chromosomal disorder where a section of the short arm (p) of chromosome 10 is duplicated and a section of the long arm (q) of chromosome 10 is deleted resulting in various abnormalities.
  • Chromosome 11q duplication syndrome: A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 11 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated.
  • Chromosome 12, 12p trisomy: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material deleted.
  • Chromosome 12, trisomy 12q: A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated.
  • Chromosome 12p duplication syndrome: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material deleted.
  • Chromosome 12p tetrasomy syndrome: A rare chromosomal disorder where there are four copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities.
  • Chromosome 12q duplication syndrome: A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy.
  • Chromosome 13 ring syndrome: A rare chromosomal disorder where genetic material from one or both ends of chromosome 13 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic material missing.
  • Chromosome 13q deletion: A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic material.
  • Chromosome 13q deletion syndrome: A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic material.
  • Chromosome 13q duplication syndrome: A rare chromosomal disorder where the long arm (q) of chromosome 13 is duplicated resulting in various physical, neurological and developmental abnormalities.
  • Chromosome 14q, terminal duplication: A very rare syndrome caused by a duplication of a part of the material on chromosome 14 and resulting in various abnormalities such as retarded growth, hearing loss and mental retardation.
  • Chromosome 15, trisomy mosaicism: A rare chromosomal disorder where duplication of a portion of chromosome 15 causes various abnormalities such as clubfoot, poor muscle tone, neurological dysfunction and hand abnormalities.
  • Chromosome 15q duplication mosaicism: A rare chromosomal disorder where duplication of a portion of chromosome 15 in some of the body's cells causes various abnormalities such as clubfoot, poor muscle tone, neurological dysfunction and hand abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated.
  • Chromosome 15q duplication syndrome: A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 15q, trisomy: A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 17, deletion 17q23 q24: A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material.
  • Chromosome 17p, partial duplication: A rare chromosomal disorder involving an extra copy of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 18 Ring: A rare chromosomal disorder where genetic material from one or both ends of chromosome 18 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic material missing.
  • Chromosome 18 deletion syndrome: A rare chromosomal disorder where a portion of chromosome 18 is missing.
  • Chromosome 18q, partial deletion: A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 18. The type and severity of symptoms are determined by the amount and location of the lost genetic material.
  • Chromosome 19 ring syndrome: A rare chromosomal disorder where genetic material from one or both ends of chromosome 19 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic material missing.
  • Chromosome 19p duplication syndrome: A rare chromosomal disorder where the short arm of chromosome 19 is duplicated resulting in various abnormalities.
  • Chromosome 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.
  • Chromosome 1q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 1 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 2 trisomy syndrome: A rare chromosomal disorder where there are three copies of chromosome 2 instead of the normal two.
  • Chromosome 2, monosomy 2q: 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.
  • Chromosome 21 monosomy: A rare chromosomal disorder where there is only one copy of chromosome 21 instead of the normal two leading to various abnormalities.
  • Chromosome 21q deletion syndrome: A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 21 is missing. The symptoms or severity may vary somewhat between patients.
  • Chromosome 22 trisomy mosaic: A rare chromosomal disorder where three copies of chromosome 22 are present in some of the body's cells instead of the normal two. Severity of symptoms is determined by how many cells have the extra chromosomal material.
  • Chromosome 22, monosome mosaic: A very rare chromosomal disorder where one copy of chromosome 22 occurs in some of the body's cells and results in various anomalies. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted.
  • Chromosome 22, monosomy mosaic: A very rare chromosomal disorder where one copy of chromosome 22 occurs in some of the body's cells and results in various anomalies.
  • Chromosome 22, trisomy: A very rare disorder where there is an extra copy of chromosome 22 in all the body cells. The condition is usually fatal soon after birth or during the fetal stage.
  • Chromosome 22q deletion: A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 22 is missing. The symptoms or severity may vary somewhat between patients.
  • Chromosome 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.
  • Chromosome 3, monosomy 3p: A rare chromosomal disorder where a portion of chromosome 3 is absent and is characterized by mental and growth deficiency, drooping upper eyelid and polydactyly.
  • Chromosome 3, trisomy 3p: A rare chromosomal disorder where a portion of the short arm (p) of chromosome 3 is duplicated so there is three copies of it rather than the normal two.
  • Chromosome 3q29 microduplication syndrome: A rare chromosomal disorder where a small portion of chromosome 3 is duplicated. The main features are mental retardation and some minor facial anomalies.
  • Chromosome 4 short arm deletion: A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • Chromosome 4, trisomy 4q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 4p deletion syndrome: A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • Chromosome 4p15-16 deletion syndrome: A rare chromosomal disorder where part of the short arm (p15-16) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • Chromosome 4q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 5, Trisomy 5p: A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated.
  • Chromosome 5, trisomy 5q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 5p duplication syndrome: A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated.
  • Chromosome 5q deletion syndrome: A rare chromosomal disorder where the long arm (q) of chromosome 5 is deleted resulting in various abnormalities.
  • Chromosome 5q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 6, monosomy 6q: A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material.
  • Chromosome 6q deletion syndrome: A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material.
  • Chromosome 7, trisomy 7p: A rare chromosomal disorder where there are three copies of all or part 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 duplicated.
  • Chromosome 7, trisomy 7q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 7p duplication syndrome: A rare chromosomal disorder where there are three copies of all or part 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 duplicated.
  • Chromosome 7q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 8, monosomy 8p: A rare chromosomal disorder involving deletion of genetic material from the short arm (p) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted.
  • Chromosome 8p inverted duplication syndrome: A rare chromosomal disorder involving the inverted duplication of the short arm (p) of chromosome 8 resulting in three copies of the genetic material instead of the normal two. The type and severity of symptoms is determined by the location and size of the duplication.
  • Chromosome 8q deletion syndrome: A rare chromosomal disorder where a part of the long arm (q) of chromosome 8 is deleted resulting in various abnormalities depending on the location and length of missing genetic material.
  • Chromosome 9 trisomy syndrome: A rare chromosomal disorder where there are three copies of chromosome 9 in the body's cells instead of the normal two resulting in various abnormalities.
  • Chromosome 9, Trisomy 9p (Multiple Variants): A rare chromosomal disorder characterized by mental retardation, head and face malformations and various other abnormalities.
  • Chromosome 9, trisomy: A rare chromosomal disorder where there are three copies of chromosome 9 in the body's cells instead of the normal two resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated.
  • Chromosome 9/mosaic: A rare chromosomal disorder where chromosome 9 is duplicated in some of the body's cells resulting in various abnormalities determined by the type and number of cells that contain the extra genetic material.
  • Chromosome 9q duplication/chromosome 9p deletion syndrome: A rare chromosomal disorder where part of the long arm (q) of chromosome 9 is duplicated and part of the short arm (p) is deleted resulting in various abnormalities. These chromosomal abnormality occurs in only some of the body's cells (mosaicism).
  • Chromosome diploid-triploid mosaicism syndrome: A rare chromosomal disorder involving chromosomal duplication, triplication and mosaicism.
  • Chronic Myeloproliferative Disorders: A group of blood cancers where excessive numbers of blood cells are made by overactive or cancerous bone marrow. The number of excess blood cells tends to grow slowly. Examples of such disorders includes chronic myelogenous leukemia, polycythemia vera and essential thrombocythemia. The symptoms are determined by which particular blood cancer is involved.
  • Chronic fatigue syndrome: A persistent debilitating fatigue of recent onset
  • Chronic inflammatory demyelinating polyneuropathy: A rare disorder involving swelling of nerve roots and destruction of the protective layer around nerves. Severe symptoms can take up to a year or more to develop.
  • Chronic necrotizing vasculitis: Inflammation and destruction of blood vessel walls which leads to death of associated tissue. Symptoms are determined by the extent and location of the blood vessel inflammation. The inflammation possibly has autoimmune origins. It can occur in condition such as rheumatoid arthritis, systemic lupus erythematosus and scleroderma.
  • Ciclosporin - Teratogenic Agent: There is evidence to indicate that exposure to Ciclosporin (an immunosuppressant 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.
  • Ciguatera poisoning: Rare toxic food poisoning from eating contaminated fish
  • Cirrhosis, familial: Liver cirrhosis that is inherited in a familial pattern. The liver scarring (cirrhosis) is not caused by any discernable disease process. The liver becomes progressively scarred and its function is impaired.
  • Clarithromycin - Teratogenic Agent: There is evidence to indicate that exposure to Clarithromycin (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.
  • Classic migraine: Migraine is a neurological disorder that generally involves repeated headaches. Some people also have nausea, vomiting, and other symptoms. Most people with migraines do not have any warning before it occurs. However, some people have a visual disturbance called an aura before the headache starts.
  • Classical Potter syndrome: A term that describes the physical appearance that occurs when kidney disease results in a reduced volume of amniotic fluid. In the classical type, both kidneys are absent.
  • Claudication pain: Pain that occurs in the legs when walking or exercising. It is usually the result of circulation problems which affects the flow of blood to the leg muscles. In severe cases, the pain may persist even when the patient is inactive.
  • Clomiphene - Teratogenic Agent: There is evidence to indicate that exposure to Clomiphene 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.
  • Clomocycline - Teratogenic Agent: There is evidence to indicate that exposure to Clomocycline (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.
  • Clubfoot: A deformity of the foot where there is a curled shape of the ankle, heels and toes.
  • Coarctation of aorta dominant: 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.
  • Cocaine - Teratogenic Agent: There is evidence to indicate that exposure to Cocaine 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.
  • Cockayne syndrome: A rare genetic disorder characterized by a senile-like appearance, hearing and vision impairment and sun sensitive skin.
  • Cockayne syndrome type 1: A rare inherited condition characterized by short stature, light sensitivity and a prematurely aged appearance. Type 1 is an early-onset form and involves progressive symptoms that usually start after 1 year of age.
  • Cockayne syndrome type 2: A rare inherited condition characterized by severely impaired neurological development. Type 2 is a congenital form of the disorder and symptoms are apparent from birth.
  • Coffin-Lowry syndrome: A rare genetic disorder characterized by down slanting space between eyelids, bulbous nose, soft hands and tapering fingers.
  • Cohen Syndrome: A rare genetic disorder characterized by reduced muscle tone, obesity and prominent front teeth.
  • Cold feet: Feeling of coldness affecting the feet
  • Cold legs: The sensation of coldness that occurs in ones legs
  • Combarros Calleja Leno syndrome: A rare disorder characterized by the association of glaucoma at birth with a form of ataxia.
  • Common Variable Immunodeficiency: An immunodeficiency disorder involving low blood gamma globulin levels which results in an increased susceptibility to infections. The condition may be inherited or can be caused by certain drugs (levamisole, hydantoin and carbamazepine).
  • Common peroneal nerve dysfunction: A condition resulting from damage to the peroneal nerve which branches from the sciatic nerve and allows for movement and sensation in the lower legs and feet. Damage to the nerve can be caused by knee injury or trauma, lower leg bone fracture, constriction of the lower leg or even persistent crossing of the legs.
  • Complete Trisomy 18 syndrome: Complete Trisomy 18 syndrome is the most severe form of Edwards syndrome and involves an extra copy of chromosome 18 in all of the body cells. This severe form causes mental retardation and numerous physical defects that often cause death before birth or during infancy.
  • Congenital arteriovenous shunt: A rare birth defect involving the abnormal passage of blood between arteries and veins. The range and severity of symptoms is determined by the number, size and location of the arteries and veins involved.
  • Congenital benign spinal muscular atrophy dominant: A very rare syndrome characterized by non-progressive muscle weakness that affects mainly the legs.
  • Congenital disorder of glycosylation type 1H: 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 Ih is caused by a defect on chromosome 11pter-p15.5 and involves the gene for a particular enzyme (dolichyl-P-glucose:Glc-1-Man-9-GlcNAc-2-PP-dolichyl-alpha-3-glucosyltransferase).
  • Congenital disorder of glycosylation type X - Bombay blood group phenotype: A rare inherited disorder characterized by abnormal neutrophil functioning which reduces the body's immunity. The abnormal neutrophils are unable to be transported to sites of infection due to their inability to adhere to certain blood vessel components which would normally lead them to the infection site. Infections may be life-threatening as the body is unable to destroy bacteria effectively. Type 2 LAD is where neutrophils can't adhere to necessary blood vessel components due to the absence of proteins on the blood vessel walls needed to bind and guide the neutrophils to the infection site.
  • Congenital heart disease - radio ulnar synostosis - mental retardation: A very rare syndrome characterized mainly by heart disease at birth, fusion of forearm bones and mental retardation.
  • Congenital heart septum defect: A heart defect involving the septum which is present at birth. The defect is a hole in the wall of the heart that separates the right and left chambers and allows blood to flow through the hole. An atrial septal defect is a hole between the two upper heart chambers and a ventricular septal defect is a hole between the two lower heart chambers. Symptoms are determined by the size and exact location of the defect.
  • Congenital hepatic porphyria: A rare congenital disorder where there is an excess of porphyrin (pigments) in the body. The liver is responsible for making porpyrins.
  • Congenital mitral malformation: Malformations of the mitral valve that are present at birth. The mitral valve allows blood to flow between the two chambers on the left side of the heart. Types of mitral malformation are atresia (absent mitral valve), stenosis (narrowed mitral valve) and parachute mitral valve.
  • Congenital mitral stenosis: A heart malformation that is present at birth. The mitral valve is narrower than normal which affects blood flow between the upper and lower chambers on the left side of the heart. It usually occurs in conjunction with other malformations
  • Congenital myotonic dystrophy: A form of muscular dystrophy which is usually apparent at birth or within a few years. and affects the skeletal muscles, heart conduction, smooth muscle, eyes and the central nervous system. The range of severity varies from asymptomatic to fetal death.
  • Congestive heart failure: A condition which is characterized by breathlessness due to oedema and congestion of the lungs
  • Conotruncal heart malformations: A rare group of heart defect involving the outflow tracts. Examples include truncus arteriosus, transposition of great arteries and tetralogy of Fallot. Obviously the symptoms will be determined by which specific defect is involved.
  • Constipation: Hardness of stool or difficulty or inability to pass feces.
  • Contractures hyperkeratosis lethal: A rare fatal congenital syndrome where numerous abnormalities arise from reduced fetal movement due to excessively tight skin.
  • Cor pulmonale: Right ventricular enlargement and failure caused by pulmonary hypertension.
  • Corns: Conical hardened skin on the toes
  • Cortisone - Teratogenic Agent: There is evidence to indicate that exposure to Cortisone 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.
  • Crane-Heise syndrome: A very rare fatal disorder characterized by numerous abnormalities.
  • Craniofacial dysostosis - arthrogryposis - progeroid appearence: A very rare syndrome characterized usually caused by fetal exposure to the cytomegalovirus and resulting in features such as short stature, mental retardation, joint movement problems and facial anomalies.
  • Craniolenticulosutural dysplasia: A rare syndrome characterized by skeletal defects and an unusual facial appearance consisting mainly of a prominent forehead, wide-set eyes, broad nose and a prominent forehead with a birthmark.
  • Crixan - Teratogenic Agent: There is evidence to indicate that exposure to Crixan (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.
  • Cushing's symphalangism: A rare syndrome characterized by deafness and the fusion of joints in the middle of fingers and toes as well as fusion of hand and foot bones.
  • Cushing-like symptoms: Symptoms similar to those of Cushing's disease
  • Cutis laxa, recessive type 2: A very rare syndrome characterized primarily by loose skin and delayed development.
  • Cycad nut poisoning: The cycad nut contains a toxic chemical called cyasin which can be leeched out by soaking in water. The nuts are often used as a food source but it is important to leech out the toxic chemicals first. Eating nuts that still contain the toxin can cause serious symptoms. Cycad nuts may also increase the risk of developing liver cancer.
  • Cyclosporin - Teratogenic Agent: There is evidence to indicate that exposure to Cyclosporin (an immunosuppressant 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.
  • Cyclosporine - Teratogenic Agent: There is evidence to indicate that exposure to Cyclosporine (an immunosuppressant 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.
  • Cyclothiazide - Teratogenic Agent: There is evidence to indicate that exposure to Cyclothiazide (a diuretic) 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.
  • Cyprus facial neuromusculoskeletal syndrome: A rare inherited syndrome characterized by variable neurological, muscular and skeletal abnormalities as well as a characteristic face.
  • Cystic Fibrosis: Cystic fibrosis is a hereditary disease affecting the exocrine (mucus) glands of the lungs, liver, pancreas, and intestines, causing progressive disability due to multisystem failure.
  • Dactylitis: Sausage shaped swelling of the fingers and the toes.
  • Dana syndrome: A rare inherited disorder characterized by the gradual degeneration of the white matter of the spinal cord and pernicious anemia. Various neurological symptoms can result.
  • Dandy-Walker malformation postaxial polydactyly: A very rare syndrome where the Dandy-Walker malformation is associated with extra fingers and toes.
  • De Barsy Syndrome: A rare inherited disorder characterized by loose, inelastic skin, involuntary limb movements, cloudy corneas and other abnormalities.
  • De Grouchy Syndrome: A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted.
  • Deal-Barratt-Dillon syndrome: A very rare syndrome characterized mainly by scaly skin, jaundice, diarrhea and Fanconi syndrome (bone marrow fails to make sufficient new blood cells).
  • Decerebrate posturing: Rigid extension of a persons legs as a result of decerebration.
  • Declomycin - Teratogenic Agent: There is evidence to indicate that exposure to Declomycin (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.
  • Declostatin - Teratogenic Agent: There is evidence to indicate that exposure to Declostatin (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.
  • Deep vein thrombosis: The formation of a thrombosis in the deep veins usually within the legs
  • Degenerative Disc Disease: Chronic or recurrent back and neck pain due to degeneration and occasionally prolapse of spinal discs.
  • Del(1) (23-q25): A very rare chromosomal disorder where a portion of the long arm (23q-q25) of chromosome one is missing.
  • Del(1) (q12-q21.3): A very rare chromosomal disorder where a portion of the long arm (q12-q21.3) of chromosome one is missing.
  • Del(1) (q24-q25.3): A very rare chromosomal disorder where a portion of the long arm (q24-q25.3) of chromosome one is missing. The type and severity of symptoms is variable.
  • Del(1) (q42-qter): A very rare chromosomal disorder where a portion of the long arm (q42-qter) of chromosome one is missing. The type and severity of symptoms is variable.
  • Deletion 13q: A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic material.
  • Deletion 18q: A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted.
  • Deletion 2q: 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.
  • Deletion 3p: A rare chromosomal disorder where a portion of chromosome 3 is absent and is characterized by mental and growth deficiency, drooping upper eyelid and extra digits.
  • Deletion 4p: A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • Deletion 6q: A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material.
  • Deletion 8p: A rare chromosomal disorder involving deletion of genetic material from the short arm (p) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted.
  • Demeclocycline - Teratogenic Agent: There is evidence to indicate that exposure to Demeclocycline (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.
  • Dermatoleukodystrophy: A very rare progressive brain disease associated with thick wrinkled skin. Only two reported cases with both dying within three years of birth.
  • Dermatomyositis: A muscle disease characterized by chronic muscle inflammation resulting in progressive muscle weakness and a characteristic rash.
  • Desbuquois dysplasia: A rare condition characterized by short-limbed dwarfism, characteristic facial features and skeletal abnormalities.
  • Desmoid tumor: Benign tumors that occur in soft tissue and often develop in tendons, ligaments and tend to occur in the arms, legs and abdomen. The tumors are quite aggressive in that they are difficult to get rid of an though they aren't malignant, they can spread to surrounding tissue.
  • Diabetes-like symptoms: Symptoms similar to those of diabetes
  • Diabetic neuropathy: nerve damage which maybe motor, sensory and autonomic
  • Diaphanospondylodysostosis: A rare disorder characterized by bone formation anomalies including a lack of bone formation in the spine during the fetal stage as well as kidney problems.
  • Diastematomyelia: A congenital malformation involving a split in the spinal cord (diastematomyelia). Symptoms vary according to the size and location of the defect. Mild cases may cause few if any symptoms.
  • Diastrophic dysplasia: A rare genetic disorder characterized by short stature as well as skeletal, spine and ear abnormalities.
  • Difficulty climbing stairs: difficulty in climbing stairs is seen in certain disorders
  • Dilated cardiomyopathy: A rare chronic heart muscle condition where one or both heart ventricles are dilated or have impaired contractility.
  • Dimedrol - Teratogenic Agent: There is evidence to indicate that exposure to Dimedrol 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.
  • Dinno-Shearer-Weisskopf syndrome: A very rare syndrome characterized mainly by long limbs, tall stature, large head, ataxia and facial anomalies.
  • Diomedi-Bernardi-Placidi syndrome: A very rare syndrome characterized mainly by epilepsy, mental retardation and progressive leg weakness and spasticity.
  • Diphenhydramine - Teratogenic Agent: There is evidence to indicate that exposure to Diphenhydramine 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.
  • Disc Disorders: Disorders that affect the discs of the spine
  • Discoid lupus erythematosus: Form of lupus affecting the skin.
  • Distal arthrogryposis syndrome: A rare genetic disorder characterized by congenital contractures and other physical defects.
  • Distal arthrogryposis, Moore-Weaver type: A rare disorder characterized mainly by clenched fists, permanent flexion of toes and fingers and head and facial abnormalities.
  • Distal myopathy: An inherited muscle condition that tends to mainly affect the end portions of arms and legs - hands, feet, forearms and lower legs.
  • Distal myopathy with vocal cord weakness: A very rare syndrome characterized mainly by muscle weakness in the end portion of the arms and legs as well as the vocal cord and pharynx.
  • Distichiasis with Congenital Anomalies of the heart and Peripheral Vasculature: A very rare condition characterized by congenital heart defects, a double row of eyelashes (distichiasis) and peripheral blood vessel anomalies.
  • Distinctive Craniofacial Features - Pterygia - Mental Retardation: A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies.
  • Disulfiram - Teratogenic Agent: There is evidence to indicate that exposure to Disulfiram 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.
  • Diuril - Teratogenic Agent: There is evidence to indicate that exposure to Diuril ( a diuretic) 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.
  • Dobriner syndrome: An inherited metabolic disorder involving a deficiency of coproporphyrinogen oxidase. The condition is similar to but milder than intermittent porphyria and sometimes includes photosensitivity.
  • Doxorubicin-induced cardiomyopathy: Heart disease caused by the use of a cancer drug called Doxorubicin.
  • Doxycycline - Teratogenic Agent: There is evidence to indicate that exposure to Doxycycline 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.
  • Dressler (D.)syndrome: A rare autoimmune blood disorder where erythrocytes are destroyed suddenly after exposure to cold (usually 15şC or lower).
  • Drug-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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Sulfones: Damage or injury to the liver caused by exposure to sulfone 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.
  • Drug-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.
  • Drug-induced liver damage - Allopurinol: Damage or injury to the liver caused by exposure to allopurinol. Allopurinol is 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.
  • Drug-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.
  • Drug-induced liver damage - Anabolic C-17: Damage or injury to the liver caused by exposure to Anabolic C-17 which is an endocrine agent. Endocrine 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.
  • Drug-induced liver damage - Anesthetic agent: 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.
  • Drug-induced liver damage - Antianginal agents: Damage or injury to the liver caused by exposure to antianginal agents. Antianginal 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.
  • Drug-induced liver damage - Antiarrhythmics: Damage or injury to the liver caused by exposure to antiarrhythmics. Antiarrhythmics 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.
  • Drug-induced liver damage - Antibiotics: Damage or injury to the liver caused by exposure to 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.
  • Drug-induced liver damage - Anticoagulants: Damage or injury to the liver caused by exposure to anticoagulants. Anticoagulants 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.
  • Drug-induced liver damage - Antifungals: 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.
  • Drug-induced liver damage - Antihyperlipidemic agents: Damage or injury to the liver caused by exposure to antihyperlipidemic agents. Antihyperlipidemic 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.
  • Drug-induced liver damage - Antihypertensives: Damage or injury to the liver caused by exposure to antihypertensives. Antihypertensives 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.
  • Drug-induced liver damage - Antineoplastic agents: Damage or injury to the liver caused by exposure to antineoplastic agents. Antineoplastic 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.
  • Drug-induced liver damage - Antithyroid drugs: Damage or injury to the liver caused by exposure to endocrine agents called antithyroid drugs. Endocrine 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.
  • Drug-induced liver damage - Benzodiazepine: Damage or injury to the liver caused by exposure to a psychotropic agent called benzodiazepine. Psychotropic 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.
  • Drug-induced liver damage - British anti-Lewisite penicillamine: Damage or injury to the liver caused by exposure to British anti-Lewisite penicillamine. British anti-Lewisite penicillamine is 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.
  • Drug-induced liver damage - Butyrophenone: Damage or injury to the liver caused by exposure to a psychotropic agent called butyrophenone. Psychotropic 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.
  • Drug-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.
  • Drug-induced liver damage - Chloramphenicol: Damage or injury to the liver caused by exposure to Chloramphenicol. Chloramphenicol is 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.
  • Drug-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.
  • Drug-induced liver damage - Cimetidine: Damage or injury to the liver caused by exposure to Cimetidine. Cimetidine is 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.
  • Drug-induced liver damage - Colchicine: Damage or injury to the liver caused by exposure to colchicine. Colchicine is 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.
  • Drug-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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Dantrolene: Damage or injury to the liver caused by exposure to Dantrolene. Dantrolene is 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.
  • Drug-induced liver damage - Diflunisal: Damage or injury to the liver caused by exposure to diflunisal. Diflunisal is 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.
  • Drug-induced liver damage - Disulfiram: Damage or injury to the liver caused by exposure to Disulfiram. Disulfiram is 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.
  • Drug-induced liver damage - Diuretic Agents: Damage or injury to the liver caused by exposure to diuretic agents. Diuretic 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.
  • Drug-induced liver damage - Erythromycin estolate: Damage or injury to the liver caused by exposure to an antibiotic called erythromycin estolate. Erythromycin estolate is 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.
  • Drug-induced liver damage - Erythromycin ethyl succinate: Damage or injury to the liver caused by exposure to an antibiotic called Erythromycin ethyl succinate. Erythromycin ethyl succinate is 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.
  • Drug-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.
  • Drug-induced liver damage - Fenoprofen: Damage or injury to the liver caused by exposure to fenoprofen. Fenoprofen is 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.
  • Drug-induced liver damage - Glucocorticoids: Damage or injury to the liver caused by exposure to endocrine agents called glucocorticoids. Endocrine 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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Ibuprofen: Damage or injury to the liver caused by exposure to ibuprofen. Ibuprofen is 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.
  • Drug-induced liver damage - Indomethacin: Damage or injury to the liver caused by exposure to indomethacin. Indomethacin is 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.
  • Drug-induced liver damage - Iodide ion: Damage or injury to the liver caused by exposure to Iodide ion. Iodide ion is 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.
  • Drug-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.
  • Drug-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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Naproxen: Damage or injury to the liver caused by exposure to naproxen. Naproxen is 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.
  • Drug-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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Oral hypoglycemics: Damage or injury to the liver caused by exposure to oral hypoglycemics which are endocrine agents. Endocrine 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.
  • Drug-induced liver damage - Penicillin: Damage or injury to the liver caused by exposure to an antibiotic called penicillin. Penicillin is 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.
  • Drug-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.
  • Drug-induced liver damage - Phenothiazines: Damage or injury to the liver caused by exposure to a psychotropic agent called phenothiazine. Psychotropic 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.
  • Drug-induced liver damage - Phenylbutazone: Damage or injury to the liver caused by exposure to phenylbutazone. Phenylbutazone is 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.
  • Drug-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.
  • Drug-induced liver damage - Ranitidine: Damage or injury to the liver caused by exposure to Ranitidine. Ranitidine is 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.
  • Drug-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.
  • Drug-induced liver damage - Salicylate: Damage or injury to the liver caused by exposure to salicylates. Salicylates 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.
  • Drug-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.
  • Drug-induced liver damage - Steroids: Damage or injury to the liver caused by exposure to steroids which are endocrine agents. Endocrine 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.
  • Drug-induced liver damage - Sulfonamide: Damage or injury to the liver caused by exposure to Sulfonamide 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.
  • Drug-induced liver damage - Sulindac: Damage or injury to the liver caused by exposure to sulindac. Sulindac is 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.
  • Drug-induced liver damage - Tamoxifen: Damage or injury to the liver caused by exposure to Tamoxifen which is an endocrine agent. Endocrine 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.
  • Drug-induced liver damage - Telithromycin: Damage or injury to the liver caused by exposure to an antibiotic called Telithromycin. Telithromycin is 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.
  • Drug-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.
  • Drug-induced liver damage - Thioxanthene: Damage or injury to the liver caused by exposure to a psychotropic agent called Thioxanthene. Psychotropic 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.
  • Drug-induced liver damage - Thorotrast: Damage or injury to the liver caused by exposure to Thorotrast. Thorotrast is 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.
  • Drug-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.
  • Drug-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.
  • Drug-induced liver damage - Vitamin A: Damage or injury to the liver caused by exposure to Vitamin A. Vitamin A is 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.
  • Drug-induced liver damage - Zoxazolamine: Damage or injury to the liver caused by exposure to Zoxazolamine. Zoxazolamine is 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.
  • Drug-induced liver damage - anticonvulsives: Damage or injury to the liver caused by exposure to certain 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.
  • Drug-induced liver damage - antituberculous agents: 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.
  • Drug-induced liver damage - antiviral medication: 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.
  • Drug-induced liver damage - endocrine agent: Damage or injury to the liver caused by exposure to endocrine agents. Endocrine 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. 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.
  • Drug-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.
  • Drug-induced liver damage - monoamine oxidase inhibitors: Damage or injury to the liver caused by exposure to psychotropic agents called monoamine oxidase inhibitors. Psychotropic 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.
  • Drug-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.
  • Drug-induced liver damage - psychotropic agents: Damage or injury to the liver caused by exposure to certain psychotropic agents. Psychotropic 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.
  • Drug-induced liver damage - tricyclic antidepressant: Damage or injury to the liver caused by exposure to a psychotropic agent called tricyclic antidepressant. Psychotropic 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.
  • Drug-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.
  • Drugs-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.
  • Duane anomaly - mental retardation: A very rare syndrome characterized mainly by mental retardation and eye movement problems (Duane anomaly).
  • Duane-radial ray syndrome: A very rare inherited disorder characterized by impaired control of eye movement and bone abnormalities in the hands and feet.
  • Duchenne Muscular Dystrophy: An inherited degenerative disease of the muscles which progresses rapidly compared to other muscle wasting diseases.
  • Duodenal atresia tetralogy of Fallot: A rare birth defect characterized by a heart defect and an intestinal malformation where the duodenum is absent or closed off which prevents digested material passing through.
  • Dup (1) (q21.2-qter) and dup (14)(pter-q13): A very rare chromosomal disorder where a portion of the long arm (q21.2-qter) of chromosome one and the long arm of chromosome 14 (pter-q13) is duplicated. In the reported case, the fetus was aborted.
  • Dup (1) (q25-qter) and del (18p): A very rare chromosomal disorder (single reported case) where the end portion of the long arm (q25-qter) of chromosome one is duplicated and the short arm of chromosome 18 is missing.
  • Dup (1) (q32-qter) and del (7)(q32-qter): A very rare chromosomal disorder where a portion of the long arm (q32-qter) of chromosome one is duplicated and the long arm of chromosome 7 (q32) is deleted. There have only been a couple of reported cases and symptoms may vary somewhat between patients.
  • Dup (1)(pter-p31) and del(2)(q33-qter): A very rare chromosomal disorder where a portion of the short arm (pter-p31) of chromosome one is duplicated and a portion of the long arm (q33-qter) of chromosome 2 is deleted. The reported patient died at 3 months of age.
  • Dup(1) (p31-p21): A very rare chromosomal disorder where a portion of the short arm (p31-p21) of chromosome one is duplicated. The type and severity of symptoms is variable.
  • Duplication 10p: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 10 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated.
  • Duplication 12p: A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material deleted.
  • Duplication 12q: A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated.
  • Duplication 13: A rare and very severe chromosome disorder leading to mental retardation and physical defects. It is so severe that many babies die soon after birth. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated.
  • Duplication 18: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than the more common Down syndrome. Duplication 18 syndrome causes mental retardation and numerous physical defects that often cause an early infant death. The condition has variable severity depending on how many of the body's cells have the extra chromosome and how much of the extra chromosome is duplicated. In severe forms all cells have an extra copy of the complete chromosome 18 whereas milder forms may have only some cells having the extra chromosome. Other mild forms may have an extra copy of only part of chromosome 18 in some or all of the body cells.
  • Duplication 5p: A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated.
  • Duplication 5q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Duplication 7p: A rare chromosomal disorder where there are three copies of all or part 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 duplicated.
  • Duplication 7q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Duplication of leg mirror foot: A birth malformation characterized by the absence of the tibia and partial duplication of the foot. The partial duplication of the foot means that one foot can have as many as nine toes. Usually only one foot is affected.
  • Dwarfism: An abnormally short individual
  • Dwarfism - stiff joint - ocular abnormalities: A very rare form of dwarfism characterized by short stature as well as stiff joints and eye abnormalities.
  • Dyggve-Melchior-Clausen Syndrome: A rare genetic bone growth disorder characterized by short stature and other skeletal deformities.
  • Dysequilibrium syndrome: A very rare syndrome characterized mainly by mental retardation and nonprogressive incoordination.
  • Dysostosis peripheral: A rare condition characterized by malformed bones in the hands and feet. The severity of the malformation is variable.
  • Dysplastic cortical hyperostosis: A very rare syndrome characterized mainly by abnormal bone and brain development.
  • Dystonia: A neurological disorder involving involuntary sustained muscle contractions.
  • EDS V: A rare genetic connective tissue disorder characterized by skin hyperextensibility, moderate joint hypermobility and moderate vascular fragility.
  • Ebstein's anomaly: A heart defect where the tricuspid valve is malformed
  • Eccentrochondrodysplasia: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of certain enzymes needed to break it down.
  • Eclampsia: serious complication of pregnancy and is characterised by high blood pressure and convulsions
  • Ecstacy - Teratogenic Agent: There is evidence to indicate that exposure to Ecstacy 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.
  • Ectodermal dysplasia - arthrogryposis - diabetes mellitus: A rare syndrome characterized by diabetes, short stature and tooth, hair and nail abnormalities.
  • Eczema: Skin rash usually from allergic causes.
  • Edema: The abnormal retention of fluid in a given anatomical area
  • Edward Syndrome: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than the more common Down syndrome. Duplication 18 syndrome causes mental retardation and numerous physical defects that often cause an early infant death. The condition has variable severity depending on how many of the body's cells have the extra chromosome and how much of the extra chromosome is duplicated. In severe forms all cells have an extra copy of the complete chromosome 18 whereas milder forms may have only some cells having the extra chromosome. Other mild forms may have an extra copy of only part of chromosome 18 in some or all of the body cells.
  • Edwards Syndrome: A rare inherited genetic disorder where a portion of chromosome 18 is duplicated. Most affected individuals die during the fetal stage and surviving infants have serious defects and tend to live for only a short while.
  • Ehlers Danlos syndrome type 4, autosomal dominant: A rare genetic connective tissue disorder characterized by delicate skin, fragile blood vessels, distinctive facial features and minimal joint problems - previously known as EDS type 4.
  • Ehlers danlos syndrome: An inherited disorder of the connective tissue causing it to become weak and fragile. Connective tissue is found in skin, muscles, tendons and ligaments and hence all of these may be affected by weakness
  • Ehlers-Danlos syndrome Type I: A rare genetic connective tissue disorder characterized by hyperextensible joints, hyperextensible skin and poor wound healing.
  • Ehlers-Danlos syndrome type 3: A rare genetic connective tissue disorder characterized by lax joints, hyperextensible skin and mild connective tissue fragility - a mild form of the condition.
  • Ehlers-Danlos syndrome type II: A rare genetic connective tissue disorder characterized by hypermobile joints, hyperextensible skin and poor wound healing - a milder form of Type 1 with hypermobility limited to hands and feet.
  • Ehlers-Danlos syndrome type III: A rare genetic connective tissue disorder characterized by lax joints, hyperextensible skin and mild connective tissue fragility - a mild form of the condition.
  • Ehlers-Danlos syndrome type IV: A rare genetic connective tissue disorder characterized by small joint hypermobility, easy bruising and characteristic facial appearance - a vascular or ecchymotic form of the condition.
  • Ehlers-Danlos syndrome type V: A rare genetic connective tissue disorder characterized by skin hyperextensibility, moderate joint hypermobility and moderate vascular fragility.
  • Ehlers-Danlos syndrome, classic type: A rare genetic connective tissue disorder characterized by hypermobile joints, joint dislocations and skin hyperextensibility and fragility - a combination of ED types I and II.
  • Ehlers-Danlos syndrome, hypermobile type: A rare genetic connective tissue disorder characterized by generalized joint hypermobility and smooth hyperextensible skin as well as joint pain and discolations.
  • Ehlers-Danlos syndrome, hypermobility type: A rare genetic connective tissue disorder characterized by hypermobile joints, hyperextensible skin and - previously known as EDS type 3.
  • Ehlers-Danlos syndrome, vascular type: A rare genetic connective tissue disorder characterized by delicate skin, fragile blood vessels, distinctive facial features and minimal joint problems - previously known as EDS type 4.
  • Eijkman's syndrome: A group of nervous symptoms that is associated with vitamin B1 (thiamine) deficiency. The deficiency leads to a condition called Beri-Beri. Severe cases result in progressive paralysis leading to convulsions and death as the nerves become increasingly inflamed and wasted.
  • Eisenmenger Syndrome: Increased lung blood pressure that can result from conditions such as a hole in the wall between the two heart chambers.
  • Elattoproteus syndrome: A rare disorder involving a lack of growth of various parts of the body such as the skin and the fatty layer under the skin.
  • Emanuel syndrome: A rare chromosomal disorder where a portion of chromosome 11 is translocated with a portion of chromosome 22. The disorder involves a wide range of abnormalities such as kidney, genital and heart abnormalities, mental retardation, small head and failure to thrive.
  • Endocrine agent-induced liver damage: Damage or injury to the liver caused by exposure to endocrine agents. Endocrine 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. 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.
  • Endocrine agent-induced liver damage - Anabolic C-17: Damage or injury to the liver caused by exposure to Anabolic C-17 which is an endocrine agent. Endocrine 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.
  • Endocrine agent-induced liver damage - Antithyroid drugs: Damage or injury to the liver caused by exposure to endocrine agents called antithyroid drugs. Endocrine 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.
  • Endocrine agent-induced liver damage - Glucocorticoids: Damage or injury to the liver caused by exposure to endocrine agents called glucocorticoids. Endocrine 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.
  • Endocrine agent-induced liver damage - Oral contraceptives: Damage or injury to the liver caused by exposure to oral contraceptives which are endocrine agents. Endocrine 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.
  • Endocrine agent-induced liver damage - Oral hypoglycemics: Damage or injury to the liver caused by exposure to oral hypoglycemics which are endocrine agents. Endocrine 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.
  • Endocrine agent-induced liver damage - Steroids: Damage or injury to the liver caused by exposure to steroids which are endocrine agents. Endocrine 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.
  • Endocrine agent-induced liver damage - Tamoxifen: Damage or injury to the liver caused by exposure to Tamoxifen which is an endocrine agent. Endocrine 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.
  • Endometriosis: Misplaced uterus tissue causing scar tissue.
  • Eosinophilic fasciitis: A rare disorder where the skin on the limbs become painfully inflamed and looses it's elasticity.
  • Ephedrine - Teratogenic Agent: There is evidence to indicate that exposure to Ephedrine 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.
  • Epiphyseal dysplasia, multiple, 2: Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. It is caused by a defect in the COL9A2 gene.
  • Epiphyseal dysplasia, multiple, 3: Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. The knees and ankles are usually the most affected joints. Mild weakness of muscles in the upper arms and legs was also sometimes present. It is believed to be caused by a defect in the COL9A3 gene.
  • Epiphyseal dysplasia, multiple, 4: An inherited bone and cartilage disorder which is usually mild enough to go undiagnosed.
  • Epiphyseal dysplasia, multiple, 5: Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. The hips and knees were the main joints involved. It is caused by defects in the gene for matrilin-3 (MATN3).
  • Epiphyseal stippling syndrome - osteoclastic hyperplasia: A rare syndrome characterized by abnormal bone development primarily affecting the long bones and lower spine.
  • Ergotamine - Teratogenic Agent: There is evidence to indicate that exposure to Ergotamine 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.
  • Erysipelas: An infectious skin disease with symptoms such as redness, swelling, fever, large blisters and pain.
  • Erythema nodosum: Allergic skin condition usually on the legs
  • Erythrasma: A condition where there is a bacterial skin infection that is located in the armpits or the groin
  • Erythromelalgia: A rare disorder characterized by periods of burning pain, redness and warmth in the feet and hands.
  • Erythromycin - Teratogenic Agent: There is evidence to indicate that exposure to Erythromycin (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.
  • Esophageal Atresia, Coloboma, Clubfoot: A rare condition characterized by the association of eye coloboma, clubfoot and atresia of the esophagus.
  • Everlasting pea poisoning: The everlasting pea is a vine which bears pink, pea-like flowers and flat seed pods. It's usually found growing in the wild in many parts of the world. The seeds contains various chemicals (amines, phenol, glycoside) which can cause poisoning symptoms if large quantities are eaten.
  • Ewing's sarcoma: Ewing's sarcoma is a malignant round-cell tumor. It is a rare disease in which cancer cells are found in the bone or in soft tissue. The most common areas in which it occurs are the pelvis, the femur, the humerus, and the ribs.
  • Excessive dieting: Excessive limitation of food intake can lead to problems and effects such as dizziness, depression, intestinal problems, edema and impaired growth.
  • Exostoses, multiple: A rare genetic disorder characterized mainly by limb deformities and other skeletal abnormalities caused primarily by a disorder of the bone growth plates.
  • Eye defects - arachnodactyly - cardiopathy: A rare syndrome characterized mainly by eye defects, long, thin fingers and heart disease.
  • FACES syndrome: A rare syndrome characterized mainly by short stature, webbed fingers and toes and skeletal abnormalities.
  • Fabry's Disease: An inherited metabolic disorder where phospholipids are deposited mostly in the blood vessels as well as other tissues and organs. Symptoms include skin lesions, small red spots on the abdomen, thighs and scrotum, fever, peripheral edema, hypertension and renal failure. Also called angiokeratoma corporis diffusion, Anderson's syndrome, Anderson-Fabry disease, Morbus Anderson-Fabry, Ruiter-Pompen syndrome or Sweeley-Klionsky disease.
  • Faciocardiomelic dysplasia, lethal: A very rare lethal syndrome characterized by facial, heart and skeletal abnormalities.
  • Fahr's Syndrome: A rare neurologic disorder where calcium is deposited in various parts of the brain resulting in progressive loss of motor and mental function.
  • Fairbank disease: A rare inherited disorder that affects the secondary growth centers of bones usually in the hips, knees and ankles and results in mild dwarfism.
  • Fallot syndrome: A congenital heart disorder consisting of four heart defects - hole between the ventricles (ventricular septal defect), obstruction from right ventricles to the lungs (subpulmonary stenosis), overriding aorta and thickened right ventricle muscle.
  • Familial amyloid polyneuropathy: A rare inherited condition where impaired nerve function is caused by amyloid deposits in peripheral nerves.
  • Familial dilated cardiomyopathy: A rare inherited heart muscle condition where one or both heart ventricles are dilated or have impaired contractility. The heart becomes unable to pump sufficient blood around the body.
  • Familial hypertryptophanemia: A rare genetic metabolic disorder characterized by high levels of tryptophan in the blood. The disorder tends to run in families (familial).
  • Familial interstitial fibrosis: A rare familial disorder involving fibrosis and scarring of the lung tissue which causes the lung to become stiff and unable to function normally.
  • Familial pulmonary arterial hypertension: Familial pulmonary arterial hypertension refers to high blood pressure in the arteries that carry blood to the lungs. Blood pressure in other parts of the body is normal or sometimes even low. The condition occurs in a familial pattern i.e. tends to run in families.
  • Familial renal cell carcinoma: A genetic form of kidney cancer that develops in the lining of the tubules in the kidney and tends to run in families.
  • Fanconi-ichthyosis-dysmorphism: A very rare syndrome characterized by scaly skin (ichthyosis), anemia, muscle anomalies and various other abnormalities. All six reported cases died within 6 months.
  • Favre-Chaix angiodermatitis: Skin and blood vessel changes that occur in the feet due to chronically poor blood supply. The size of the lesion may vary from tiny to covering a large part of the foot.
  • Felty syndrome: A rare complication of long-term rheumatoid arthritis which involves an enlarged spleen and blood abnormalities.
  • Femoral facial syndrome: A rare genetic disorder characterized by underdeveloped femur, short nose and cleft palate.
  • Femoral lump: A palpable lesion located anatomically on the leg
  • Femur-fibula-ulna syndrome: A very rare syndrome characterized mainly by abnormalities of the thigh, forearm and calf bone. The degree of abnormality and number of limbs involved is variable. The upper limbs are affected more than the lower limbs and the right side is affected more than the left side.
  • Fenfluramine - Teratogenic Agent: There is evidence to indicate that exposure to Fenfluramine (a weight loss 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.
  • Fetal PCB syndrome: A condition that occurs in infants born to mothers exposed to PCB (polychlorinated biphenyl) during pregnancy. The chemical is believed to affect calcium metabolism. In 1968 many cases occurred in Japan following consumption of cooking rice oil contaminated with PCB.
  • Fetal aminopterin syndrome: A rare disorder which produces multiple abnormalities and results from a failed abortion attempt using the drugs aminopterin and methotrexate.
  • Fibromatosis multiple non ossifying: A very rare syndrome characterized mainly by bone abnormalities which causes the bones to fracture easily.
  • Fibrosing alveolitis: A condition characterized by abnormalities in the fibrous tissues between lung alveoli which results in inflammation.
  • Fibula aplasia complex - brachydactyly: A very rare syndrome characterized mainly by short fingers small or absent fibula (calf bone) and other bone abnormalities.
  • Fibular aplasia - ectrodactyly: A very rare syndrome characterized mainly by various bone abnormalities involving the arms and feet.
  • Fibular dimelia - diplopodia: A birth malformation characterized by the absence of the tibia and partial duplication of the foot. The partial duplication of the foot means that one foot can have as many as nine toes. Usually only one foot is affected.
  • Fibular hypoplasia or aplasia - femoral bowing - oligodactyly: A rare syndrome characterized mainly by abnormalities involving the thighbone, fingers and fibula (calf bone).
  • Fine-Lubinsky syndrome: A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation.
  • Fingernail bleeding: Bleeding from the fingernail
  • Fingernail blueness: A blue discolouration of the fingernail
  • Fingernail bruise: A haematoma that occurs on the fingernail
  • Fingernail itch: A sensation that causes a desire to scratch the fingernail
  • Fingernail lump: A lump located on the fingernail
  • Fingernail rash: A rash that is located in the fingernail
  • Fingernail symptoms: Symptoms affecting the fingernails
  • Fitzsimmons-Guilbert syndrome: A very rare syndrome characterized mainly by paraplegia, short fingers and bone abnormalities. The paraplegia progresses slowly.
  • Flat foot: This is a condition where there has been a loss of one or more of the arches of the foot causing the foot to be flattened
  • Focal dermal hypoplasia: A rare genetic disorder characterized by bone, skin, teeth and pigmentation abnormalities as well as asymmetry of the face, trunk ant extremities.
  • Folliculitis: An inflammatory reaction which occurs in the follicles
  • Foot Spasm: A sudden involuntary contraction of the muscles of the foot.
  • Foot bleeding: Bleeding from the foot
  • Foot bruise: A haematoma that occurs on the foot
  • Foot burning sensation: A burning sensation located in the foot
  • Foot coldness: A cold sensation occurring on the foot
  • Foot conditions: Any condition that may affect the foot
  • Foot deformities: deformities associated with the feet.
  • Foot deformity: A alteration of the foot structurally that it doesn't appear as normal
  • Foot drop: a deficit in turning the ankle and toes upward, known as dorsiflexion.
  • Foot fracture: A fracture of one or several bones of the foot
  • Foot injury: Any injury to the foot
  • Foot itch: Itchy feeling of the foot
  • Foot lump: A palpable lesion located anatomically on the foot
  • Foot numbness: Loss of feeling or sensation
  • Foot odor: Odorous or smelly feet
  • Foot pain: Pain affecting one or both feet
  • Foot paralysis: A loss of the motor and or sensory function of the foot due to either a muscular or neural mechanism
  • Foot paresthesia: Foot tingling, prickling, numbness or burning sensations
  • Foot rash: An eruption on the skin of the foot.
  • Foot sprain: Damage to ligaments in the foot.
  • Foot swelling: Swelling of one or both feet
  • Foot symptoms: Symptoms affecting one or both feet
  • Foot ulcer: Ulcer on foot area
  • Foot weakness: A decrease in the usual strength of the movements of the foot
  • Fractured femur: A fracture that occurs in the femur of the leg
  • Fragile-X Syndrome: A rare inherited characterized by various physical anomalies as well as mental retardation. The symptoms are milder in females.
  • Frank-Ter Haar syndrome: A rare genetic bone disorder characterized by skeletal abnormalities, enlarged corneas and characteristic facial abnormalities.
  • Fraser-Jequier-Chen syndrome: A very rare disorder characterized by a cleft epiglottis and larynx, extra fingers and toes and kidney, pancreatic and bone abnormalities. The internal organs are also located on the opposite side of the body to normal (situs inversus totalis).
  • Freeman-Sheldon Syndrome: A very rare genetic disorder characterized by abnormal development of the skeleton and muscles.
  • Freiberg disease: A condition where progressive degeneration of the head of a toe bone (usually the second toe) results in foot pain.
  • Fried syndrome: A rare syndrome characterized mainly by mental retardation, buildup of fluid inside the skull and an unusual facial appearance. The disorder is inherted in a X-linked manner.
  • Fried-Goldberg-Mundel syndrome: A rare syndrome characterized mainly by leg malformations and an abnormally positioned urethral opening (hypospadias) in males.
  • Friedreich's ataxia: Progressive muscle weakness from nerve damage.
  • Frontonasal dysplasia - Klippel Feil syndrome: A rare congenital disorder characterized by abnormal fusion of two or more vertebrae in the neck (Klippel Feil syndrome) as well as larynx and voice box abnormalities.
  • Froster-Iskenius-Waterson syndrome: A rare syndrome characterized by multiple joint contractures at birth, hyperthermia and twisting of neck muscles.
  • Fryns-Aftimos syndrome: A rare syndrome characterized mainly by abnormal brain development, epilepsy, mental retardation and unusual facial appearance.
  • Fryns-Fabry-Remans syndrome: A rare syndrome characterized by the progressive fusion of the front of the vertebrae as well as the excessive growth of the whole body.
  • Fryns-Smeets-Thiry syndrome: A rare syndrome characterized by short stature, mental retardation, small head, skeletal anomalies and various other abnormalities.
  • Fuhrmann syndrome: A rare syndrome characterized mainly by abnormalities involving the thighbone, fingers and fibula (calf bone).
  • Fuhrmann-Rieger-de Sousa syndrome: A rare syndrome characterized mainly by abnormalities involving the thighbone, fingers and fibula (calf bone).
  • Furlong-Kurczynski-Hennessy syndrome: A very rare syndrome characterized by the association of premature fusion of skull bones with Marfanoid features. The disorder arises from abnormal connective tissue.
  • Game-Friedman-Paradice syndrome: A rare condition characterized by retarded growth, hydrocephaly, underdeveloped lungs and various other anomalies. The condition was observed in four offspring from one family.
  • Ganglion cyst: Cyst affecting the sheath of tendons
  • Garret-Tripp syndrome: A rare syndrome characterized mainly by extra digits, a lack of hair and scaly skin on the scalp, face and neck.
  • Gastro-enteropancreatic neuroendocrine tumor: A rare form of gastrointestinal tumor. It includes two main groups of cancer called carcinoid and endocrine pancreatic tumors. Some of the tumors consist of hormone secreting cells which results in excessive secretion of certain hormones.
  • Generalized lipodystrophy with mental retardation, deafness, short stature and slender bones: A recessively inherited disorder characterized by short stature, mental retardation, deafness, slender bones and degeneration of the body's fat tissue.
  • Genital herpes: Sexually transmitted infection of the genital region.
  • Gentamicin - Teratogenic Agent: There is evidence to indicate that exposure to Gentamicin (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.
  • Genu valgum, St Helena familial: A severe inherited form of knock-knees.
  • Genu varum: A condition where the legs bend outwards at the knees. Also called bowleg.
  • Gigantism: Gigantism refers to abnormally high linear growth due to excessive action of insulin-like growth factor-I (IGF-I) while the epiphyseal growth plates are open during childhood.
  • Glassy cell carcinoma of the cervix: A rare type of cervical cancer.
  • Glomerulonephritis: A condition which affects the kidneys and is characterized by inflammatory changes that occur in the glomeruli
  • Gnathodiaphyseal dysplasia: A rare genetic disorder affecting the skeleton and characterized by fragile bones, bowed long bones and recurring infections of the jaw bone.
  • Golden-Lakin syndrome: A rare syndrome characterized by a webbed neck, sunken chest, curved spine abd various other abnormalities.
  • Gonadal dysgenesis XY type associated anomalies: A very rare syndrome characterized mainly by
  • Gordon Syndrome: A genetic musculoskeletal disorder characterized mainly by camptodactyly, cleft palate and club foot. The type and severity of symptoms is variable.
  • Gout: Painful joints, most commonly the big toe.
  • Gracile bone dysplasia: An inherited disorder characterized by brittle bones and thin, slender long bones and ribs as well as other abnormalities.
  • Gram's syndrome: A postmenopausal syndrome involving high blood pressure, rheumatoid arthritis of the knee and the development of multiple lipomas.
  • Grand-Kaine-Fulling syndrome: A very rare syndrome characterized by disease of the retinal blood vessels and degeneration of the central nervous system.
  • Granuloma annulare: A harmless skin disease characterized by raised, bumpy, ring-shaped skin lesions.
  • Graves disease: A condition which is an autoimmune disease that affects the thyroid resulting hyperthyroidism
  • Grebe Syndrome: A rare genetic disorder characterized by very short limbs and extra fingers and toes.
  • Greenberg dysplasia: A very rare form of short-limbed dwarfism.
  • Growth plate injuries: Injury to the growing ends of young bones.
  • Guillain-Barre syndrome: An acute condition which is characterized by polyradiculoneuropathy that affects the peripheral nervous system
  • Guizar-Vasquez-Sanchez-Manzano syndrome: A rare syndrome characterized by loose joints, chest deformity and unusual facial appearance.
  • HEM dysplasia: A rare disorder characterized by hydrops, dwarfism and abnormal bone calcification. The condition generally results in fetal death.
  • HTLV: Virus associated with affecting the immune system.
  • Halm-Munk syndrome: A rare inherited disorder involving red, thickened patches of skin on the palms and soles, skin infections and nail and teeth abnormalities.
  • Hammer toe: Toe bent into hammer-like shape
  • Hand, Foot, & Mouth Disease: Common contagious viral infant or child condition
  • Haspeslagh Fryns Muelenaere syndrome: A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies.
  • Heart defects - limb shortening: A very rare syndrome characterized mainly by short limbs and heart defects.
  • Heart failure: A condition which is characterized by an inability of the heart to pump blood efficiently and effectively
  • Heart symptoms: Symptoms affecting the heart
  • Hecht syndrome: A rare genetic disorder characterized by the inability to open the mouth due to short muscles as well as hand movement abnormalities also due to shortened muscles.
  • Heel burning sensation: A burning sensation on the heel
  • Heel pain: Pain in the hindfoot heel area
  • Heel paresthesia/ tingling: A loss of sensation located at or around the heel
  • Heel spur: Bony spur on the heel bone
  • Hemoglobin S/hemoglobin Lepore, Boston: A blood disorder that mainly causes hemolytic anemia with great variability of symptoms.
  • Hemolytic uremic syndrome: A rare condition characterized by acute kidney failure, hemolytic anemia and thrombocytopenia (reduced blood platelet count). The condition is often caused by upper respiratory infections or infectious diarrhea.
  • Hepatic Venoocclusive Disease with immunodeficiency: An inherited disorder characterized by the association of immunodeficiency and liver disease involving the blockage of small veins in the liver due to swelling and fibrosis.
  • Hepatotoxicity: Damage or injury to the liver caused by a drug, chemical or other agent. 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.
  • Hereditary Spastic Paraplegia: A slow-progressing degeneration of the tract that connects the brain to the spinal cord (corticospinal tract) resulting in muscle spasticity, weakness and paralysis. The severity of symptoms is determined by the nature and extent of the damage.
  • Hereditary amyloidosis: An inherited form of amyloidosis which is characterized by a build up of the protein amyloid in tissues and organs. This form of amyloidosis tends to affect mainly the nervous system and gastrointestinal tract. Symptoms are determined by the size and location of the amyloid deposits.
  • Hereditary angioedema: An inherited disorder where a blockage in a lymphatic vessel or blood vein causes temporary swelling of affected parts of the body which sometimes includes organs.
  • Hereditary 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. Symptoms can last for up to five days with usually weeks between episodes. Type I is the most common type and is due to the reduced production of C1 inhibitor proteins. Episodes can be triggered by emotional or physical stress but can occur spontaneously.
  • Hereditary 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. Symptoms can last for up to five days with usually weeks between episodes. Type 2 is due to defective C1 inhibitor proteins which are present at normal levels.
  • Hereditary angioedema, type III: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. Symptoms can last for up to five days with usually weeks between episodes. Type 3 is due to a defect in Coagulation factor XII rather than a deficient or dysfunctional C1 (complex blood protein) as in types 1 and 2. This type is exacerbated by increased estrogen levels which can be caused by pregnancy or oral contraception. The severity of the disorder is variable with some patients only suffering episodes during pregnancy or after starting oral contraception. In other cases, adolescence triggered episodes
  • Hereditary peripheral nervous disorder: A group of inherited disorders affecting the peripheral nerves (nerves other than the brain and spinal cord). The motor, sensory and/or autonomic nerves may be affected. Examples of such conditions includes Dejerine-Sottas disease and Charcot-Marie-Tooth disease.
  • Herrmann Opitz arthrogryposis syndrome: A very rare syndrome characterized mainly by contractures, skeletal abnormalities and short stature.
  • Herrmann-Opitz craniosynostosi: A very rare syndrome characterized mainly by mental retardation, skeletal abnormalities and an unusual facial appearance.
  • High arched foot: High arch between the toes and the heel.
  • Hip Replacement: The replacement of a hip with an synthetic joint
  • Hip cancer: The presence of tumour growth in the bone of the hip, 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; cancer affecting bone of hip likely to affect other bones e.g. vertebra, ribs
  • Hip conditions: Any condition that affects the hip
  • Hip injury: Any injury that affects the hip
  • Hirsutism: A condition which is characterized by excessive body and facial hair
  • Homocystinuria: A rare inherited metabolic disorder involving the amino acid methionine and resulting in a harmful accumulation of homocysteine in the body.
  • Homocystinuria due to cystathionine beta-synthase deficiency: A rare genetic biochemical disorder where a deficiency of cystathionine beta-synthase results in high levels of methionine and homocysteine in the blood and reduced levels of cyteine in the blood. There are two subtypes of the disorder with varying manifestations. One type responds to Vitmain B6 supplementation and the other doesn't. Those who do respond to Vitamin B6 tend to have milder manifestations.
  • Homocystinuria syndrome: A rare genetic connective tissue disorder caused by an enzyme deficiency and characterized by dislocation of eye lens, malar flush and osteoporosis.
  • Hookworm: Worm spread through feces with poor sanitation.
  • Hoon-Hall syndrome: A very rare syndrome characterized mainly by dislocated joints and various other skeletal abnormalities.
  • Horseshoe Crab poisoning: The Asiatic horseshoe crab is eaten mainly in parts of Asia. Various parts of the crab become toxic during the reproductive season - flesh, unlaid green eggs and viscera. Poisoning most often occurs in Thailand. Eating the crabs should be avoided during reproductive season as poisoning can readily result in death.
  • Humerospinal dysostosis - congenital heart disease: A very rare syndrome characterized mainly by various skeletal defects and heart disease which is present at birth.
  • Huntington's disease: Inherited disease causing progressive mental deterioration.
  • Hydrochlorothiazide - Teratogenic Agent: There is evidence to indicate that exposure to Hydrochlorothiazide 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.
  • Hydrolethalus syndrome: A rare genetic disorder characterized by hydrocephalus, micrognathia and polydactyly.
  • Hydrops ectrodactyly syndactyly: A very rare disorder characterized mainly be webbed fingers and toes, hand defect and hydrops (abnormal accumulation of fluid in the fetus).
  • Hypertension due to coarctation of the aorta: Hypertension due to coarctation of the aorta is high blood pressure resulting from a birth defect where a heart blood vessel called the aorta is abnormally narrowed. The high blood pressure tends to affect mainly the upper part of the body. Babies and very young children tend to have more severe symptoms as the degree of narrowing tends to be greater than in older children or adults.
  • Hyperthyroidism: The excessive activity of the thyroid gland
  • Hypertrichosis, hyperkeratosis, mental retardation, and distinctive facial features: A very rare disorder characterized by thickened skin, mental retardation, increased body hair and a characteristic face.
  • Hypertrophic neuropathy of Dejerine-Sottas: An inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in numbness, muscle weakness and loss of function. The severity of the condition is variable.
  • Hypertryptophanemia: A rare genetic metabolic disorder characterized by high levels of tryptophan in the blood.
  • Hyperventilation: Abnormally fast and deep breathing.
  • Hypocalcemia: Low blood calcium levels
  • Hypocalcemia, autosomal dominant: A dominantly inherited disorder of phosphate and calcium metabolism which results in low blood calcium levels. The severity of the condition is highly variable with some patients being asymptomatic.
  • Hypochondroplasia: A rare genetic disorder characterized by short stature which becomes more obvious during and after childhood.
  • Hypomagnesemia primary: Low blood magnesium levels which is caused by the abnormal absorption and excretion of the mineral and can be caused by such things as kidney problems and intestinal malabsorption.
  • Hypomelanosis of Ito: A rare genetic neurocutaneous disorder characterized by unusual patterns of depigmented skin and associated disorders such as seizures, psychomotor retardation and eye abnormalities.
  • Hypomyelination and congenital cataract: An inherited disorder characterized by congenital cataract and progressive neurological impairment due to reduced myelination of nerves.
  • Hypoparathyroidism: causesd by lack of PTH
  • Hypophosphatemia, Familial: An inherited disorder involving low blood phosphate levels due to problems with the transport of phosphate and problems with vitamin D metabolism. Vitamin D and phosphates are not properly absorbed from the kidneys which can lead to bone problems if not treated.
  • Hypophosphatemic rickets: A rare genetic type of rickets involving defective phosphate transport and vitamin D metabolism in the kidneys. Poor calcium absorption from the intestines leads to bone softening.
  • Hypoplastic thumbs - hydranencephaly: A very rare syndrome characterized mainly by underdeveloped thumb and abnormal brain development where the cerebral space is filled with cerebrospinal fluid instead of brain tissue.
  • Hypothyroidism: The decreased activity of the thyroid gland
  • Ichthyosis-cheek-eyebrow syndrome: A rare genetic disorder involving sparse eyebrows, full cheeks and a skin condition characterized by fish-like scales.
  • Idaho syndrome: A very rare syndrome characterized by a variety of abnormalities including clubfoot, mental retardation, finger abnormalities and a congenital heart defect.
  • Idiopathic Parkinson's disease: Idiopathic Parkinson's disease is Parkinson's disease for which no particular cause can be determined - it is the most prevalent form of the condition. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Idiopathic alveolar hypoventilation syndrome: A rare condition characterized by a reduced breathing rate despite no respiratory system abnormalities. The cause of the condition is unknown.
  • Idiopathic edema: A condition involving salt retention that isn't a result of impaired heart, kidney or liver function.
  • Idiopathic minimal change nephrotic syndrome: A rare kidney disorder which has no apparent cause. The filtering structures of the kidneys are only slightly damaged and appear to be almost normal. Progression to kidney failure is very rare.
  • Idiopathic pulmonary hypertension: A rare condition where sclerosis of the pulmonary arteries cause cyanosis, polycythemia and heart failure.
  • Iliotibial Band Syndrome: Knee inflammation usually from prolonged overuse
  • Imaizumi Kuroki syndrome: A very rare syndrome characterized mainly by premature skull fusion and forearm abnormalities.
  • Immunoglobulinic amyloidosis: A disease characterized by the abnormal deposit of amyloid in various parts of the body, especially organs such as the kidneys, heart, liver, gastrointestinal tract and peripheral nerves. It occurs when plasma cells in the bone marrow produce too much of a protein portion of an antibody called the light chain. The exact symptoms are determined by the extent of the organ involvement.
  • Inclusion Body Myositis: Progressive inflammatory muscle disease causing muscle weakness.
  • Incontinentia Pigmenti: A rare genetic skin pigmentation disorder characterized by eye, teeth, bone, nail and hair malformations as well as central nervous abnormalities and mental deficiency.
  • Indigo Carmine - Teratogenic Agent: There is evidence to indicate that exposure to Indigo Carmine 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.
  • Infant botulism food poisoning: Very dangerous food poisoning needing medical attention.
  • Infantile axonal neuropathy: A very rare form of progressive nerve damage that starts early in life. The central nervous system is also usually involved.
  • Infex - Teratogenic Agent: There is evidence to indicate that exposure to Infex (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.
  • Inflammatory pelvic pain: Inflammatory pelvic pain can be chr, cyclic,non cyclic, localized of generalized, or a combination. It affects women of reproductive age and older. It's important to note that sudden, severe pain with mass indicates a serious disorder such as an ectopic pregnancy, and it also requires immediate evaluation and treatment.
  • Ingrown nails: Inward growth of finger-nails or toe-nails.
  • Inguinal swelling: A lump or swelling in the inguinal region.
  • Insulin - Teratogenic Agent: There is evidence to indicate that exposure to Insulin 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.
  • Intellectual deficit - cataracts - calcified pinnae - myopathy: A very rare syndrome characterized mainly by mental retardation, cataracts, muscle disease and calcified ear cartilage. The muscle wasting starts in the lower legs and eventually involves the small hand muscles.
  • Intermittent claudication: is muscle pain which occurs during physical exercise and is relieved by rest. It usually is a feature or arterial abnormality of the lower limbs
  • Intervertebral disc disease: Degenerative changes in the discs located between vertebrae. The severity of the disorder is variable.
  • Irons-Bhan syndrome: A very rare syndrome characterized mainly by lymphoedema in the legs, heart defects and a hydrocele (swollen testicles).
  • Ischiopatellar dysplasia: A very rare disorder involving abnormal bone development in the legs and pelvis. Other anomalies involving the face and skull may also be involved occasionally.
  • Isoproterenol - Teratogenic Agent: There is evidence to indicate that exposure to Isoproterenol 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.
  • Isthmus 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.
  • Ivemark Syndrome: A rare progressive disorder characterized by absence or abnormal development of the spleen and malformations of the heart vessels.
  • Jackson-Weiss Syndrome: A rare inherited disorder involving bone abnormalities such as fusion of upper foot bones and premature fusion of skull bones which prevents the skull from growing normally. Symptoms can range from mild to severe.
  • Jacobsen syndrome: A very rare chromosomal disorder involving the absence of a portion of chromosome 11q. The range and severity of symptoms is determined by the size of the portion that is deleted.
  • Jadassohn-Lewandowsky syndrome: A rare, inherited disorder characterized by thickening of nails, white patches on mouth and anus(leukoplakia) and thickened hard skin on soles and palms.
  • Jaffe-Lichtenstein-Sutro syndrome: A rare disorder characterized by pain and limited movement in one or more large joints such as the knee.
  • Jequier-Kozlowski-skeletal dysplasia: A very rare syndrome characterized mainly by various skeletal abnormalities and facial anomalies.
  • Jeune syndrome - situs inversus: A very rare syndrome characterized mainly by short-limbed dwarfism, small chest, abnormally placed internal organs and various other abnormalities.
  • Joint injury - ankle: An injury to the ankle which is the joint between the foot and lower leg. Severity of symptoms varies depending on the type and severity of the injury and often the primary symptom is pain. An ankle injury can involve damage to the bones, ligaments or other tissues of the joint. The injury may be acute (e.g. trauma) or chronic (e.g. overuse).
  • Joint injury - knee: An injury to the knee which is the joint between the upper and lower leg. Severity of symptoms varies depending on the type and severity of the injury and often the primary symptom is pain. A knee injury can involve damage to the bones, ligaments or other tissues of the joint. The injury may be acute (e.g. trauma) or chronic (e.g. overuse).
  • Joint injury - toes: An injury to the toe joints. Severity of symptoms varies depending on the type and severity of the injury and often the primary symptom is pain. A toe joint injury can involve damage to the bones, ligaments or other tissues of the joint. The injury may be acute (e.g. trauma) or chronic (e.g. overuse).
  • Joubert Syndrome: A rare neurological disorder where there is a defect in the part of the brain that controls coordination and balance.
  • Juvenile Rheumatoid Arthritis: Chronic arthritis affecting children and teens
  • Juvenile osteoporosis: Osteoporosis (progressive bone loss) that occurs in children. Osteoporosis in children can be caused by certain medical conditions (e.g. diabetes, malabsorption syndromes, kidney disease, hyperthyroidism), certain medications (e.g. corticosteroids, anticonvulsants), prolonged immobility or sometimes for no detectable reason (idiopathic).
  • Juvenile primary lateral sclerosis: A very rare genetic disorder characterized by increasing weakness and stiffness of the muscles in the arms, legs and face due to damage to nerve cells that control motor movement.
  • Kaplan-Plauchu-Fitch syndrome: A very rare syndrome characterized mainly by cone-shaped skull, short stature, deafness and various facial and digital abnormalities.
  • Kaposi sarcoma: A form of cancer caused by a type of herpesvirus that occurs mainly in the skin but may also affect the lymph nodes, internal organs and mucosal areas. There are four forms of the condition: Classical Indolent form, Endemic African KS, iatrogenic KS and acquired immunodeficiency syndrome-associated KS. Symptoms depend on the extent of internal organ and lymphatic system involvement.
  • Kaposi sarcoma, classical indolent form: A form of cancer caused by a type of herpesvirus that occurs mainly in the skin but may also occur in lymph nodes, internal organs and mucosal areas. The classic type tends to occur mainly on the lower legs but the lymph nodes and internal organs may rarely be involved. Symptoms depend on the extent of internal organ involvement.
  • Karsch-Neugenbauer syndrome: A rare genetic disorder characterized by a split hand deformity, cataracts and rapid involuntary eye movements.
  • Kawasaki disease: A childhood illness that generally affects the skin, mouth and lymph nodes.
  • Keratosis palmoplantaris - periodontopathia - onychogryposis: A rare syndrome characterized by gum disease, nail and skin problems and various other anomalies.
  • Kidney disease-Induced Hypertension: Kidney disease-Induced Hypertension is high blood pressure resulting from kidney diseases. The blood vessels to the kidney become narrowed or damaged which affects the ability of the blood to flow through them which in turn increases the blood pressure.
  • Kidney symptoms: Symptoms affecting one or both kidneys.
  • Klaricid - Teratogenic Agent: There is evidence to indicate that exposure to Klaricid (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.
  • Klinefelter syndrome, variants: A genetic condition where males have at least one extra X chromosome or extra copies of both the X and Y chromosomes in each cell. Normally male cells contain one X and one Y chromosome in each cell. The condition is not inherited but is a result of problems during cell division.
  • Klippel Trenaunay Weber syndrome: A rare genetic disorder characterized by benign skin growths made up of blood vessels, overgrowth of various limb tissues and varicose veins.
  • Knee blueness: A blue discolouration on the knee
  • Knee bruise: A haematoma that occurs on the knee.
  • Knee burning sensation: A burning sensation on the knee
  • Knee coldness: A cold sensation occurring on the knee
  • Knee collapse: Failure of the knee to bear weight with collapse
  • Knee conditions: Any condition that affects the knee
  • Knee injury: Any injury that occurs to the knee
  • Knee itch: A sensation that causes a desire to scratch the skin of the knee
  • Knee locking: Inability to either straighten or bend knee
  • Knee lump: A palpable lesion located anatomically on the knee
  • Knee pain: Pain in or around the knee joint
  • Knee paralysis: A loss of the motor and or sensory function of the knee due to either a muscular or neural mechanism
  • Knee paresthesia/ tingling: A loss of sensation located at or around the knee
  • Knee rash: An eruption on the skin of the knee.
  • Knee spasm: A sudden involuntary contraction of the muscles of the knee.
  • Knee sprain: Damage to ligaments in the knee.
  • Knee swelling: Swelling of the knee joint
  • Knee symptoms: Symptoms affecting the knee
  • Knee tendinitis: Inflammation of the tendons of the knee joint.
  • Knee tingling/paresthesias: A tingling and numbness that is located at the knee
  • Kneecap itch: A sensation thatcauses a desire to scratch the skin of the kneecap
  • Kneecap lump: A palpable lesion located anatomically on the kneecap
  • Kneecap pain: A feeling of distress and agonycaused by the stimulation of pain nerve endings in the kneecap
  • Kneecap rash: An eruption on the skin of the kneecap.
  • Kneecap swelling: A swelling of the lower leg located around the kneecap
  • Knock-knee: A condition where the legs bend inwards at the knees. Also called genu valgum.
  • Knock-knees: Legs vurve inwardly so that the knees are closer together than normal.
  • Kohler disease: A rare disorder where the foot becomes sore, swollen and difficult to walk on due to damage to midfoot bone (navicular bone). The cause is unknown.
  • Koller syndrome: A rare syndrome involving thickened bones and dry skin with characteristic fish-like scales.
  • Kosztolanyi syndrome: A very rare syndrome characterized mainly by severely retarded development, long thin fingers, mental retardation and skull and facial abnormalities.
  • Kozlowski Celermajer Tink syndrome: A very rare syndrome characterized by the association of heart disease with a short upper arm bone and spinal anomalies. There are also other variable symptoms.
  • Kozlowski-Celermajer syndrome: A rare disorder characterized by congenital heart disease and spine and upper arm bone abnormalities.
  • Krause-Kivlin syndrome: A rare genetic disorder characterized by short limb dwarfism, mental retardation and Peters anomaly.
  • Kurczynski-Casperson syndrome: A very rare syndrome characterized mainly by premature fusion of skull bones, abnormal ears and webbing of the last two toes.
  • Lambert syndrome: A rare syndrome characterized by a club foot, inguinal hernia, biliar atresia and branchial dysplasia.
  • Lamotrigine - Teratogenic Agent: There is evidence to indicate that exposure to Lamotrigine 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.
  • Large feet: Large size of the feet
  • Larsen syndrome, dominant type: A congenital, genetic disorder characterized by many abnormalities including joint dislocations, bone abnormalities and an unusual dish-shaped face. The dominant form tends to have less severe dwarfism and more severe flattening of the face and is less likely to include webbed fingers, cleft palate and genital anomalies than the recessive form.
  • Lateral body wall complex: A very rare syndrome characterized involving the absence of the whole or part of an arm or leg as well as a severe defect of the abdominal wall. Death often occurs at birth.
  • Lathyrism: A condition caused by eating certain legumes from the Lathyrus genus of plants. Some of the spacies involved are Lathyrus sativa, cicera, ochrus and clymenum. The chemicals within the legumes of these plants are toxic to the nerves.
  • Le Marec-Bracq-Picaud syndrome: A very rare syndrome characterized mainly by a large head, short arms and clubfoot.
  • Ledderhose disease: A rare disorder where numerous fibrous nodules develop in the bottom of the foot and eventually affect the tendons in the foot which can cause foot problems.
  • Lederle - Teratogenic Agent: There is evidence to indicate that exposure to Lederle (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.
  • Ledermycin - Teratogenic Agent: There is evidence to indicate that exposure to Ledermycin (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.
  • Left ventricle-aorta tunnel: An abnormal opening that connects the left ventricle and the ascending aorta
  • Leg Duplication - Mirror Foot: A birth malformation characterized by the absence of the tibia and partial duplication of the foot. The partial duplication of the foot means that one foot can have as many as nine toes. Usually only one foot is affected.
  • Leg absence - deformity - cataract: A very rare syndrome characterized mainly by missing bones in one leg, cataracts and progressive spinal curvature.
  • Leg blueness: A blue discolouration on the leg
  • Leg bruise: A haematoma that occurs on the leg.
  • Leg burning sensation: A burning sensation located in the leg
  • Leg coldness: A cold sensation occurring on the leg
  • Leg conditions: Conditions that affect ones leg
  • Leg cramps: Leg pain that is caused by continuous muscle contractions
  • Leg injury: Any injury that occurs to ones legs
  • Leg itch: A sensation that causes a desire to scratch the skin of the leg
  • Leg lump: A palpable lesion located anatomically on the leg
  • Leg numbness: Loss of feeling or sensation
  • Leg pain: Pain affecting the leg
  • Leg pain on walking: When a person experiences pain in their legs on walking
  • Leg paralysis: A loss of the motor and or sensory function of the leg due to either a muscular or neural mechanism
  • Leg paresthesia: Leg tingling, prickling, numbness or burning sensations
  • Leg rash: Any rash on the legs or feet
  • Leg spasm: A sudden involuntary contraction of the muscles of the leg.
  • Leg swelling: Swelling of one or both legs
  • Leg symptoms: Symptoms affecting the leg
  • Leg ulcer: A deep break in the skin of the leg.
  • Leg ulcers: Ulcers or sores on the legs.
  • Leg weakness: Muscle weakness of the leg
  • Legg-Calve-Perthes disease: Femur/hip bone disease mostly in children
  • Leiomyosarcoma: A rare soft tissue cancer that arises from smooth muscle cells which form the involuntary muscles. Smooth muscle cells can occur in the skin, uterus, stomach, intestine and blood vessel walls. The main location for these tumors is in the uterus, retroperitoneum, pelvis and large blood vessels such as the inferior vena cava. Symptoms depend on the size and location of the tumor.
  • Leprechaunism: A very rare genetic disorder characterized by insulin resistance which leads to growth delay and endocrine system abnormalities.
  • Leriche's Syndrome: A condition caused by blockage of the abdominal aorta and iliac artery resulting in wasting of buttock muscles, lack of pulse in femoral arteries and inability to maintain a penile erection.
  • Lethal chondrodysplasia, Moerman type: A very rare lethal syndrome characterized mainly by abnormal bone development.
  • Limb symptoms: Symptoms affecting the limbs
  • Limb transversal defect - cardiac anomaly: A very rare syndrome characterized mainly by heart anomaly and leg and hand malformations involving missing bones.
  • Limb-girdle muscular dystrophy type 2C: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the gamma-sarcoglycan gene. The severity of the condition is greatly variable from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Limb-girdle muscular dystrophy type 2D: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the alpha-sarcoglycan gene. The severity of the condition is greatly variable from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Limb-girdle muscular dystrophy type 2E: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the beta-sarcoglycan gene. The severity of the condition is greatly variable from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Limb-girdle muscular dystrophy type 2F: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the delta-sarcoglycan gene. The severity of the condition is greatly variable from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Limb-girdle muscular dystrophy type 2G: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the telethonin protein.
  • Limb-girdle muscular dystrophy type 2I: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the FKRP (fukutin-related protein) gene.
  • Lipoma: Tumor of fat cells usually just under the skin
  • Lipomatous hemangiopericytoma: A rare slow-growing tumor that tends to occur mainly in deep in the thigh or in the retroperitoneum (space between the abdominal organs and the back of the abdominal space). Symptoms are determined by the size and location of the tumor.
  • Lissencephaly - immunodeficiency: A very rare syndrome characterized mainly by abnormal brain development and a poor immune system.
  • Lissencephaly type III - metacarpal bone dysplasia: A rare syndrome characterized by an abnormally smooth brain as well as abnormal bone development in the hands.
  • Lithium - Teratogenic Agent: There is evidence to indicate that exposure to Lithium 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.
  • Liver symptoms: Symptoms affecting the liver
  • Lobstein disease: A group of rare inherited diseases that involves fragile bones. There are many different types based on the severity and extent of symptoms. Some types are severe enough to cause stillbirth or infant death whereas other types may cause few if any problematic symptoms.
  • Localized epiphyseal dysplasia: A very rare syndrome characterized mainly by localized abnormality of part of the bone where growth occurs.
  • Low birth weight - dwarfism - dysgammaglobulinemia: A very rare syndrome characterized mainly by low birth weight, short stature and a immune system abnormality.
  • Lujan-Fryns syndrome: A rare genetic disorder characterized by mental retardation and marfanoid habitus (features of Marfan's syndrome).
  • Lumbar malsegmentation - short stature: A very rare syndrome characterized mainly by short stature and abnormal segmentation of the vertebrae in the abdominal segment of the spine.
  • Lupus: Autoimmune disease with numerous effects on various organs and linings.
  • Lutz-Richner-Landolt syndrome: A rare disorder involving kidney and biliary abnormalities.
  • Lyme disease: Lyme disease is an emerging infectious disease caused by at least three species of bacteria belonging to the genus Borrelia.
  • Lymphatic Filariasis: Parasitic worm infection of the lympatic system
  • Lymphedema hereditary type 1: A rare inherited condition where tissue swelling (mainly involving the legs) occurs because of blockage of lymph drainage system.
  • Lymphedema, congenital: A very disorder present from birth where the lymph system is obstructed. Often, other abnormalities are also present.
  • Lymphedema, hereditary: A rare inherited condition where tissue swelling (mainly involving the legs) occurs because of blockage of lymph drainage system.
  • Lymphedema, hereditary, 1B: A rare inherited condition where tissue swelling (mainly involving the legs) occurs because of blockage of lymph drainage system.
  • Lymphedema, microcephaly and chorioretinopathy syndrome: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Lymphoedema - Microcephaly - Chorioretinopathy Syndrome: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Lymphoedema - Microcephaly - chorioretinopathy: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Lymphoedema - atrial septal defects - facial changes: A rare inherited syndrome characterized by lymphoedema of the legs at birth, heart defects and facial anomalies.
  • Lymphoedema - cerebral arteriovenous anomaly: A rare syndrome characterized by a malformation of the brain blood vessels, lymphoedema of the feet and primary pulmonary hypertension.
  • Lymphoedema - cleft palate: A rare inherited condition characterized by the association of a cleft palate and tissue swelling (mainly involving the legs) occurs because of blockage of lymph drainage system.
  • Lymphoedema tarda: A rare form of primary lymphedema that occurs in patients over the age of 35 years and usually affects the legs.
  • MDMA - Teratogenic Agent: There is evidence to indicate that exposure to MDMA 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.
  • MLCRD Syndrome: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Machado-Joseph Disease: Rare genetic muscle disease causing muscle weakness.
  • Macrocephaly pigmentation large hands feet: An extremely rare condition characterized mainly by the association of an enlarged head, pigmentation anomalies and large hands and feet.
  • Macrocephaly, mental retardation, short stature, spastic paraplegia and CNS malformations: A very rare syndrome characterized mainly by a large head, short stature and central nervous system problems.
  • Macrodactyly of the foot: A birth defect where the foot grows larger than normal.
  • Malignant germ cell tumor: Malignant tumors that are made up of germ cells which are immature cells that eventually become reproductive system tissues in males and females. The symptoms depend on the location of the tumor which may occur in the ovaries, testes or anywhere along the body's midline such as the chest, head, abdomen, pelvis and lower back.
  • Mandibuloacral dysplasia: A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. There are two subtypes with type B involving loss of fat layers under the skin mainly in the extremities, face and trunk whereas type A involves mainly the extremities. The severity of the symptoms is variable.
  • Mandibuloacral dysplasia with type A lipodystrophy: A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. Loss of fat layers under the skin occurs mainly in the extremities in type B. The severity of the symptoms is variable.
  • Mannosidosis, alpha B lysosomal: 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.
  • Mansonella ozzardi infection: Infection with a type of nematode (Mansonella ozzardi) found in Central America, South America and the Caribbean. Infection occurs through the bit of infected midges and blackflies.
  • Mansonelliasis: Infection with a nematode (worm-like parasite) called Mansonella. Transmission usually occurs through the bite of a midge.
  • Maple syrup urine disease, type 1A: A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and physical retardation if untreated. Various types of maple syrup urine disease involve different genetic defects - type 1A specifically involves a defect in the E1-alpha subunit gene.
  • Maple syrup urine disease, type 1B: A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and physical retardation if untreated. Various types of maple syrup urine disease involve different genetic defects - type 1B specifically involves a defect in the E1-beta subunit gene.
  • Maple syrup urine disease, type II: A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and physical retardation if untreated. Various types of maple syrup urine disease involve different genetic defects - type 2 specifically involves a defect in the E2 subunit gene.
  • Maple syrup urine disease, type III: A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and physical retardation if untreated. Various types of maple syrup urine disease involve different genetic defects - type 3 specifically involves a defect in the E3 subunit gene.
  • Marden-Walker Syndrome: A rare genetic disorder characterized by blepharophimosis, joint contractures and fixed facial expression.
  • Marden-Walker-like syndrome: A very rare syndrome characterized mainly by long, thin fingers, contractures from birth and narrow eye slits.
  • Marfan Syndrome type 2: A very rare syndrome characterized by some of the skeletal and heart blood vessel abnormalities seen in Marfan syndrome but there are no eye abnormalities. The genetic cause of the two types is different.
  • Marfan syndrome: A genetic connective tissue disorder involving a defect of chromosome 15q21.1 which affects the production of the fibrillin needed to make connective tissue.
  • Marfan-Like syndrome: Any congenital condition with a group of symptoms that resembles Marfan syndrome but doesn't quite fulfill all the criteria. Marfan syndrome is a connective tissue disorder that affects the skeleton, lungs, eyes, heart and blood vessels.
  • Marfanoid - mental retardation syndrome autosomal: A very rare syndrome characterized mainly by psychomotor retardation, a flat face and some symptoms of Marfan syndrome (long arms and legs, tall stature, reduced skin fat and poor muscle tone).
  • Marie-Bamberg syndrome: A rare condition characterized by clubbing of fingers and toes, excessive sweating and development of fibrous tissue around the ends of bones. The condition is a form of hypertrophic osteoarthropathy that occurs secondary to other conditions such as cardiopulmonary disease and certain cancers.
  • Marine turtle poisoning: Marine turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marine turtle poisoning - Green Sea Turtle: Green Sea turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marine turtle poisoning - Hawksbill Turtle: Hawksbill turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marine turtle poisoning - Leatherback Turtle: Leatherback turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marine turtle poisoning - Loggerhead Turtle: Loggerhead turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marine turtle poisoning - Soft-shelled Turtle: Soft-shelled turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amongst patients - obviously the more that is eaten, the more severe the symptoms are.
  • Marinesco-Sjogren syndrome: A group of recessively inherited disorder characterized mainly by incoordination due to a brain anomaly.
  • Marinesco-Sjögren I: A rare condition characterized by cerebellar ataxia, speaking difficulty, mental retardation, short stature and tooth, hair and nail abnormalities.
  • Maroteaux-Verloes-Stanescu syndrome: A very rare syndrome where abnormal bone development starts early in life and is fairly severe but after a few years, the bones return to almost normal. Adult height is nearly normal and bowed limbs usually straighten.
  • Massa-Casaer-Ceulemans syndrome: A very rare syndrome characterized mainly by abnormal brain development (lissencephaly - smooth brain) and multiple joint contractures at birth.
  • Maternally inherited diabetes and deafness with cardiomyopathy: A rare inherited disorder characterized by deafness, heart muscle disease and diabetes.
  • McCune-Albright Syndrome: A rare genetic multisystem disorder characterized by abnormal skin pigmentation and endocrine gland dysfunction and replacement of parts of bone tissue with fibrous material.
  • McKusick type metaphyseal chondrodysplasia: A rare genetic disorder characterized by short stature, skeletal abnormalities and fine, fragile hair.
  • McKusick-Kaufman syndrome: A rare genetic disorder characterized by hydrometrocolpos (fluid buildup in vagina and uterus), extra fingers and congenital heart defects.
  • Meckel Syndrome: A rare genetic disorder involving numerous abnormalities and characterized by death within the first few weeks.
  • Meckel syndrome, type 5: A very rare lethal syndrome characterized mainly by kidney and liver abnormalities, extra fingers and a gap in the back of the skull through which some brain matter protrudes. Type 5 is caused by a defect in the RPGRIP1L gene on chromosome 16q12.2.
  • Megaloblastic anemia: A rare blood disorder where insufficient vitamin B12 absorption results in reduced production of red blood cells and increased levels of abnormal, enlarged red blood cells (megaloblasts). Vitamin B12 insufficiency can result from absorption problems or lack of dietary intake of the vitamin or folic acid.
  • Megalocytic interstitial nephritis: A rare form of chronic kidney disease where the kidney is inflamed. The body's own immune system may be involved in the inflammation.
  • Megarbane syndrome: A very rare disorder characterized by short stature, loose joints, hernias, facial abnormalities and severe psychomotor retardation.
  • Meige's lymphedema: A rare inherited condition where tissue swelling (mainly involving the legs) occurs because of blockage of lymphatic drainage system. Onset is after 35 years.
  • Melnick-Needles syndrome: A rare genetic bone disorder characterized by skeletal abnormalities and characteristic facial abnormalities.
  • Membranous nephropathy, idiopathic: A rare kidney disorder which occurs for no obvious reason and involves thickening and dysfunction of the filtering part of the kidneys.
  • Meningitis: Infection of the membrane around the brain (as a symptom)
  • Meningococcal disease: Dangerous bacterial infection causing meningitis or bacteremia.
  • Meniscus injury: Knee damage often from trauma or injury
  • Mental Retardation - Pterygia - Shortness - Distinctive Facial Appearance: A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies.
  • Mental retardation - coloboma - slimness: A very rare syndrome characterized mainly by mental retardation, retinal coloboma and a slim build.
  • Mental retardation - epilepsy - bulbous nose: A very rare syndrome characterized mainly by mental retardation, epilepsy and a bulbous nose. The condition has been reported in only two families.
  • Mental retardation - hip luxation - G6PD variant: A very rare syndrome characterized mainly by mental retardation, partially dislocated hips and an enzyme defect (G6PD).
  • Mental retardation - hypotonic facies syndrome, X-linked, 1: A group of rare syndromes characterized by severe mental retardation, unusual facial appearance and other variable abnormalities.
  • Mental retardation - microcephaly - phalangeal - facial abnormalities: A very rare syndrome characterized mainly by mental retardation, small head, facial and bone abnormalities in the fingers and toes.
  • Mental retardation - myopathy - short stature - endocrine defect: A very rare syndrome characterized mainly by mental retardation, muscle disease, short stature and endocrine defects.
  • Mental retardation - short stature - heart and skeletal anomalies: A very rare syndrome characterized mainly by mental retardation, short stature and heart and skeletal anomalies.
  • Mental retardation - spasticity - ectrodactyly: A very rare syndrome characterized mainly by mental retardation, spasticity and a cleft hand. In the reported case, the parents came from the same bloodline.
  • Mental retardation - unusual facies - talipes - hand anomalies: A very rare syndrome characterized mainly by mental retardation, unusual facial appearance, clubfoot and hand abnormalities.
  • Mental retardation cataracts calcified pinnae myopathy: A very rare syndrome characterized mainly by mental retardation, cataracts, muscle disease and calcified ear cartilage. The muscle wasting starts in the lower legs and eventually involves the small hand muscles.
  • Mental retardation unusual facies ampola type: A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities.
  • Mental retardation, Wolff type: A very rare syndrome characterized mainly by severe mental retardation and facial anomalies. The parents came from the same bloodline.
  • Mental retardation, X-linked - acromegaly - hyperactivity: A rare syndrome characterized mainly by mental retardation, hyperactivity and enlarged hands, feet and testes.
  • Mental retardation, X-linked, 45: A rare form of mental retardation inherited in a X-linked manner. It occurs as a result of a defect in the zinc finger protein-81 gene on chromosome Xp22.1-p11.
  • Mental retardation, X-linked, Cabezas type: A rare X-linked disorder characterized by mental retardation, muscle wasting, short stature and other problems. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may have mild or no symptoms.
  • Mental retardation, X-linked, Siderius type: A rare inherited form of mental retardation involving a defect on chromosome Xp11.2.
  • Mental retardation, X-linked, Stevenson type: A rare disorder characterized by mental retardation, reduced muscle tone and other anomalies. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may have mild or no symptoms.
  • Meralgia paresthetica: A rare disorder where compression or injury of a nerve that connects the thigh to the spine results in abnormal, painful sensations in the outer part of the thigh. The condition is most common in middle-aged, overweight males.
  • Metal-induced liver damage: Damage or injury to the liver caused by a exposure to a metal (usually ingestion). 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.
  • Metaphyseal chondrodysplasia Spahr type: A rare genetic bone development disorder characterized mainly by bowed legs.
  • Metaphyseal chondrodysplasia with cone-shaped epiphyses, normal hair, and normal hands: A rare disorder of cartilage development which causes abnormal bone development that mainly affects the legs.
  • Metaphyseal dysostosis mental retardation conductive deafness: A rare, recessively inherited disorder characterized by mental retardation, deafness and skeletal abnormalities.
  • Metaphyseal dysplasia Pyle type: A rare genetic disorder characterized by bone deformities involving the limbs, skull and other parts of the skeleton.
  • Metatrophic dysplasia: A very rare form of dwarfism involving short limbs and a long trunk. Less than 100 cases of the condition have been reported.
  • Methacycline - Teratogenic Agent: There is evidence to indicate that exposure to Methacycline 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.
  • Methocarbamol - Teratogenic Agent: There is evidence to indicate that exposure to Methocarbamol 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.
  • Methotrexate - Teratogenic Agent: There is evidence to indicate that exposure to Methotrexate 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.
  • Methyclothiazide - Teratogenic Agent: There is evidence to indicate that exposure to Methyclothiazide 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.
  • Methylmalonicacidemia with homocystinuria, cbl D: An inherited organic acid disorder where an enzyme deficiency (cblD) impairs the body's ability to break down certain proteins (methionine, threonine, isoleucine and valine) consumed in the diet. This results in a buildup of methylmalonic acid and homocystine which results in harmful affects.
  • Metolazone - Teratogenic Agent: There is evidence to indicate that exposure to Metolazone 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.
  • Miconazole - Teratogenic Agent: There is evidence to indicate that exposure to Miconazole 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.
  • Microbrachycephaly - ptosis - cleft lip: A very rare syndrome characterized mainly by a small, short head, droopy eyelids and a cleft lip.
  • Microcephalic osteodysplastic dysplasia, Saul-Wilson type: A rare skeletal disorder characterized by various abnormalities including short stature, short digits, cataracts and small head.
  • Microcephalic osteodysplastic primordial dwarfism types 1 and 3: Microcephalic osteodysplastic primordial dwarfism types 1 and 3 were originally regarded as separate conditions but it was recently concluded that they were different expressions of the same condition. The main differences between the two forms is a difference in the radiological bone anomalies. The condition is characterized mainly by bone abnormalities, short stature and a small head.
  • Microcephalic osteodysplastic primordial dwarfism, type 2: A very rare syndrome characterized mainly by
  • Microcephaly - lymphoedema - Chorioretinopathy Dysplasia Syndrome: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Microcephaly - lymphoedema - chorioretinopathy: A very rare syndrome characterized mainly by a small head, lymphedema and eye anomalies.
  • Microcephaly - seizures - mental retardation - heart disorders: A very rare syndrome characterized mainly by a small head, seizures, mental retardation and heart disorders.
  • Microcephaly, hiatal hernia and nephrotic syndrome: A rare genetic disorder primarily involving physical and developmental abnormalities as well as kidney disease.
  • Microcephaly, holoprosencephaly, and intrauterine growth retardation: A rare syndrome involving a small head, retarded fetal growth and holoprosencephaly (brain malformation where the two halves of the brain fail to separate).
  • Microphthalmia syndromic, type 9: A rare inherited disorder characterized by small or absent eyes and lung, heart and diaphragmatic abnormalities. The disorder is caused by a defect on the STRA6 gene.
  • Mifepristone - Teratogenic Agent: There is evidence to indicate that exposure to Mifepristone 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.
  • Migraine: Severe complex headaches that occur periodically
  • Minocycline - Teratogenic Agent: There is evidence to indicate that exposure to Minocycline 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.
  • Mirror polydactyly - vertebral segmentation - limbs defects: A very rare syndrome characterized by extra thumbs, defective vertebral segmentation and malformed limbs.
  • Misoprostol - Teratogenic Agent: There is evidence to indicate that exposure to Misoprostol 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.
  • Mitochondrial Parkinson's disease: A form of Parkinson's disease that seems to be linked to mitochondrial defects - mitochondria are the energy-producing components of body cells. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Mobius syndrome: Type of facial paralysis.
  • Moebius Syndrome: Moebius syndrome is a very rare condition characterized by underdevelopment of the facial nerves (particularly sixth and seventh cranial nerves) which causes facial paralysis.
  • Moebius sequence: A rare genetic disorder characterized by facial paralysis due to problems with 6th and 7th nerve development.
  • Mohr syndrome: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • Morava-Mehes syndrome: A rare syndrome characterized mainly by an underdeveloped bones in the forearm, calf and fourth and fifth fingers, short stature and unusual facial appearance.
  • Morphine withdrawal: Symptoms that occur when Morphine use is discontinued or reduced. Morphine is a pain-killing drug. Symptoms may vary depending on the level of dependence. Symptoms are usually the most severe between 36 and 72 hours after withdrawal and symptoms tend to abate within a week. Craving may persist for months.
  • Morquio syndrome: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (galactosamine-?-sulfate - type A, ? galactosidase - type B) needed to break it down. The symptoms are variable with type A and B being clinically indistinguishable.
  • Morquio syndrome type A: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (galactosamine-?-sulfate) needed to break it down.
  • Morquio syndrome, type B: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (? galactosidase) needed to break it down.
  • Morse-Rawnsley-Sargent syndrome: A very rare syndrome characterized mainly by abnormal brain development and reduced fetal movement.
  • Motor and Sensory Neuropathy with Sensorineural Hearing Loss, Bouldin type: A rare condition observed in two sibling and characterized by hearing loss during adulthood and motor and sensory neuropathy.
  • Mousa-Al Din-Al Nassar syndrome: A very rare syndrome characterized mainly by ataxia, spasticity and eye anomalies.
  • Moynahan syndrome III: A rare syndrome characterized mainly by short stature, defective tooth enamel, clubfoot, skin problems and a variety of other anomalies. Blisters tend to occur during the warmer months of the year.
  • Mucopolysaccharidosis type 6: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (Arylsulfatase ?) needed to break it down.
  • Mucopolysaccharidosis type I Hurler syndrome: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-diuronidase) needed to break it down. There are three main sub-types of the disorder: Hurler - severe form, Scheie - mild form and Hurler/Scheie form which is intermediate.
  • Mucopolysaccharidosis type I Scheie syndrome: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-iduronidase) needed to break it down.
  • Mulibrey Nanism syndrome: A very rare inherited malformation characterized by very small stature (dwarfism), pericardial constriction and yellow dots in fundus of the eye.
  • Multicore disease: A nonprogressive congenital muscle disease which mainly involves weakness of the proximal muscles. The severity of symptoms is variable.
  • Multiple Hereditary Exostoses: An hereditary condition which is characterized by benign bony growths projecting from a bone surface
  • Multiple Sclerosis: Autoimmune attack on spinal nerves causing diverse and varying neural problems.
  • Multiple myeloma: A rare malignant cancer that occurs in the bone marrow. More common in skull, spine, rib cage, pelvis and legs.
  • Multiple pterygium syndrome: A very rare disorder characterized by webbing of various parts of the body, contractures, short stature, fusion of neck vertebrae and facial anomalies.
  • Multiple pterygium syndrome, autosomal recessive: A very rare disorder characterized by webbing of various parts of the body, contractures, short stature, fusion of neck vertebrae and facial anomalies.
  • Multiple sclerosis - ichthyosis - factor 8 deficiency: A very rare syndrome characterized mainly by multiple sclerosis, scaly skin and a blood anomaly.
  • Munk disease: A type of kidney disease that is more prevalent in children. It involves the build up of fats in the cells of the kidney tubules. The symptoms experienced may vary with the severity of the condition.
  • Muscular Dystrophy: Any of various muscle wasting diseases
  • Muscular Dystrophy, Limb-Girdle, Type 3: An inherited muscle disease affecting mainly the upper leg muscles. The upper arm muscles may or may not be affected. The extent and degree of muscle involvement is variable. The condition progresses slowly with independent mobility lost after a few decades of onset.
  • Muscular dystrophy, Duchenne and Becker type: An inherited l disorder characterized by progressive muscle weakness. The disorder is caused by a genetic anomaly and results in insufficient quantities of or ineffective dystrophin which is needed for normal muscle functioning. The disorder is expressed in males but females can be carriers.
  • Muscular dystrophy, limb-girdle, autosomal recessive, type 2E: An autosomal recessive form of limb-girdle muscular dystrophy where muscle weakness and atrophy is caused by mutations of the beta-sarcoglycan gene. The severity of the condition is greatly variable from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Muscular phosphorylase kinase deficiency: A very rare genetic defect which affects muscles and causes rapid fatigue on exertion and muscle cramping and weakness.
  • Musculoskeletal chronic fatigue syndrome: Musculoskeletal 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. Musculoskeletal chronic fatigue syndrome tends to be dominated by musculoskeletal symptoms.
  • Mycotoxin-induced liver damage - Aflatoxin: Damage or injury to the liver caused by exposure to a mycotoxin called Aflatoxin which is a toxin produced by some Aspergillus fungus. 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. The toxin is also know to increase the risk of developing liver cancer.
  • Mycotoxin-induced liver damage - Cyclochlorotine: Damage or injury to the liver caused by exposure to a Mycotoxin called Cyclochlorotine which is a toxin produced by a particular fungus (Penicillium islandicum). 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. The toxin is also know to increase the risk of developing liver cancer.
  • Mycotoxin-induced liver damage - Luteoskyrins: Damage or injury to the liver caused by exposure to a Mycotoxin called Luteoskyrin which is a toxin produced by a particular fungus (Penicillium islandicum). 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. The toxin is also know to increase the risk of developing liver cancer.
  • Mycotoxin-induced liver damage - Ochratoxin: Damage or injury to the liver caused by exposure to a Mycotoxin called Ochratoxin. Ochratoxin is a toxin produced by a particular fungus (Aspergillus ochraceus and Penicillium verrucosum). It is a relatively common food contaminant and can be found in mouldy grain, pork, coffee and dried grapes. 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. The toxin is also know to increase the risk of developing liver cancer.
  • Mycotoxin-induced liver damage - Rubratoxin: Damage or injury to the liver caused by exposure to a Mycotoxin called Rubratoxin. Rubratoxin is a toxin produced by a particular fungus (Penicillium rubrum and purpurogenum) which is most commonly found on cereal grains. 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. The toxin is also know to increase the risk of developing liver cancer.
  • Mycotoxin-induced liver damage - Sterigmatocystin: Damage or injury to the liver caused by exposure to a Mycotoxin called Sterigmatocystin. It is a toxin produced by a particular fungus (Aspergillus). Sterigmatocystin may also increase the risk of developing liver cancer. Most likely sources of exposure are foods such as wheat, maize, hard cheese and green coffee beans contaminated with mould. 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. The toxin is also know to increase the risk of developing liver cancer.
  • Myelitis: Spinal cord inflammation.
  • Myopathy with lactic acidosis and sideroblastic anemia: A rare disorder of the bone marrow and skeletal muscles which manifests as muscle disease and anemia. Progressive intolerance to exercise usually starts during childhood with anemia occurring around adolescence.
  • Myopathy, Distal, with Early Respiratory Failure, Autosomal Dominant: A rare form of genetic muscle disease which starts during adulthood.
  • Möbius syndrome: Möbius syndrome is a very rare condition characterized by underdevelopment of the facial nerves (particularly sixth and seventh cranial nerves) which causes facial paralysis.
  • N syndrome: A rare genetic disorder characterized by mental and physical retardation, eye abnormalities, retarded growth, hearing impairment and a high risk of developing cancers, particularly leukemia. It is an extremely rare condition originally described in two brothers.
  • Nail Ridges: Linear elevations that may be either horizontal or vertical on the fingernails or toenails.
  • Nail abnormalities: abnormalities of the nail may be missed if the clinician is not aware of the classic patterns that are seen so infrequently
  • Nail abnormality: An abnormality of the finger and/or toe nails.
  • Nail symptoms: Symptoms affecting the fingernails or toenails
  • Nail-Patella Syndrome: A rare inherited disorder characterized by small or absent kneecap and ridged and/or absent nails as well as other abnormalities
  • Naked brimcap poisoning: Naked brimcap is a brown mushroom which becomes slimy when wet and is covered in thin hairs. The mushroom is often found growing in the wild in the US. This mushroom is poisonous and can lead to death if sufficient quantities are eaten. They are considered less toxic if cooked. This mushroom is unusual in that some people are able to eat them if they are cooked for a long time without any ill effect and can then develop a condition called immune hemolysis (where the body's immune system attacks it's own red blood cells).
  • Narcolepsy: Narcolepsy is characterized by the classic tetrad of excessive daytime sleepiness, cataplexy, hypnagogic hallucinations, and sleep paralysis.
  • Nasopharyngeal teratoma with Dandy-Walker - diaphragmatic hernia: A very rare syndrome characterized mainly by a nasopharyngeal tumor, diaphragmatic hernia and the Dandy-Walker anomaly (brain cyst).
  • Nemalin myopathy, late onset type: A very rare inherited muscle disorder and is characterized by muscle weakness caused by the presence of nemalin rods in the muscle tissue which affects its function. The muscle weakness may be severe but is generally not a progressive condition. The main muscles affected are the limbs, neck and face. The legs are generally more affected in the late onset type.
  • Neomycin - Teratogenic Agent: There is evidence to indicate that exposure to Neomycin 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.
  • Nephronophthisis familial, adult - spastic quadriparesis: A very rare syndrome characterized mainly by progressive kidney destruction and spasticity and weakness of arms and legs.
  • Nephrosis neuronal dysmigration Syndrome: A rare genetic disorder primarily involving physical and developmental abnormalities as well as kidney disease. The type and severity of symptoms that can occur is variable.
  • Nephrotic syndrome: A condition involving excess loss of protein in the urine, reduced albumin levels in the blood and swelling.
  • Nerve sheath neoplasm: Tumors that develop from the protective sheath surrounding nerves. There are two types of nerve sheath tumors: schwannomas and neurofibromas. They most often occur around the spinal cord. Symptoms are determined by the size and exact location of the tumor.
  • Nerve symptoms: Symptoms affecting the nerves
  • Neural tube defect: Any defect that occurs to the neural tube
  • Neurodermatitis: Lichen simplex chronicus refers to thickened itchy skin that results from persistently rubbing or scratching an area of skin.
  • Neuroectodermal tumors primitive: A type of brain tumor that consists of small round cells and is believed to originate from primitive nerve cells in the brain. Symptoms are determined by the exact location of the tumor.
  • Neuroendocrine carcinoma of the cervix: A rare form of cervical cancer which tends to be quite aggressive.
  • Neurofaciodigitorenal syndrome: A very rare syndrome characterized mainly by
  • Neuronal intranuclear inclusion disease: A very rare syndrome characterized mainly by muscle and nerve degeneration.
  • Neuropathy - ataxia - retinitis pigmentosa: A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable.
  • Neuropathy ataxia and retinis pigmentosa: A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable.
  • Neuropathy hereditary sensory and autonomic type 1: A neurological condition which can start in late childhood or adulthood and progresses slowly. It involves mainly sensory loss in the hands and feet as well as autonomic symptoms.
  • Neuropathy sensory spastic paraplegia: A very rare syndrome characterized mainly by sensory nerve degeneration and spastic paraplegia. The extremities of the hands and feet have reduced pain sensation and disfiguring ulcers tend to develop.
  • Neuropathy, Hereditary Sensory and Autonomic Type I: Type I hereditary sensory neuropathy is an inherited condition characterized by progressive degeneration of the nervous system which manifests primarily as loss of sensation in the hands and feet. The sensory loss is worse in the feet and legs than the hands and arms. Muscle wasting and weakness of variable severity tends to occur after sensory loss.
  • Neuropathy, Hereditary Sensory, Type I: Type I hereditary sensory neuropathy is an inherited condition characterized by progressive degeneration of the nervous system which manifests primarily as loss of sensation in the hands and feet. The sensory loss is worse in the feet and legs than the hands and arms. Muscle wasting and weakness of variable severity tends to occur after sensory loss.
  • Neuropathy, distal hereditary motor, Jerash type: An inherited neuromuscular disease that causes progressive muscle wasting and weakness in the limbs without any sensory impairment.
  • Neuropathy, distal hereditary motor, type VIIA: An inherited neuromuscular disease that causes progressive muscle wasting and weakness in the limbs and vocal cord paralysis. There is no sensory impairment.
  • Neuropathy, hereditary, sensory, radicular: A rare inherited degenerative disorder of the nervous system characterized by sensory loss in limbs, pain and foot ulcers.
  • Neurotoxic shellfish poisoning: Rare food poisoning from eating contaminated shellfish
  • Neurotoxicity syndromes: Altered nervous system functioning caused by exposure to certain chemicals (manmade or natural) that affect the nervous system - essentially it is the poisoning of the nervous system. Examples of toxic compounds that may cause neurotoxicity include lead, certain solvents and pesticides. Symptoms may occur immediately or gradually over a period of time.
  • Nievergelt syndrome: A rare inherited bone disease which causes abnormalities in the lower leg and lower arm bones as well as dwarfism and digit anomalies.
  • Night blindness - skeletal anomalies - unusual facies: A very rare syndrome characterized mainly by night blindness, a distinctive face and skeletal abnormalities.
  • Non-inflammatory pelvic pain: Very little is known about non-inflammatory pelvic pain.
  • Nonkeratan-sulfate-excreting Morquio syndrome: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of certain enzymes needed to break it down. This disorder is distinguished form other similar conditions by the fact that no keratosulfate is excreted in the urine.
  • Nonne-Milroy disease: A rare form of lymphedema (dilation of the lymphatic system) which is present at birth and causes enlargement of various parts of the body.
  • Numb thigh: Numbness, or decreased sensations of the thigh
  • Numbness in Both Feet: Loss of normal sensation occurring in both feet
  • Numbness in one foot: Loss of normal sensation occurring in one foot
  • Nytol - Teratogenic Agent: There is evidence to indicate that exposure to Nytol 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.
  • OFD syndrome type 8: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • OFD syndrome type IX: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger and retinal abnormalities.
  • OHSS: Excessive stimulation of the ovaries that usually occurs as a complication of in vitro fertilization but may also occur spontaneously. The degree of excessive ovarian stimulation may vary from mild to severe.
  • Occult spinal dysraphism: A rare disorder characterized by progressive neurological deterioration due to compression of the spinal cord in the spine.
  • Occupational liver damage - 1,1,1-Tetrachloroethane: Damage or injury to the liver caused by exposure to 1,1,1-Tetrachloroethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 1,1,2-Tetrachloroethane: Damage or injury to the liver caused by exposure to 1,1,2-Tetrachloroethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 1,2-Dibromoethane: Damage or injury to the liver caused by exposure to 1,2-Dibromoethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 1,2-Dichloroethane: Damage or injury to the liver caused by exposure to 1,2-Dichloroethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 2-Nitropropane: Damage or injury to the liver caused by exposure to 2-Nitropropane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 2-acetylamino-fluorene: Damage or injury to the liver caused by exposure to 2-acetylamino-fluorene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 3,3-Dichlorobenzidine: Damage or injury to the liver caused by exposure to 3,3-Dichlorobenzidine and all its salts in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - 4-Dimethylaminoazobenzene: Damage or injury to the liver caused by exposure to 4-Dimethylaminoazobenzene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Acetates: Damage or injury to the liver caused by exposure to various Acetates in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Acetonitrile: Damage or injury to the liver caused by exposure to Acetonitrile in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Acrylonitrile: Damage or injury to the liver caused by exposure to Acrylonitrile in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Alcohol: Damage or injury to the liver caused by exposure to alcohol in an occupational (industrial) setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Alicyclic Hydrocarbons: Damage or injury to the liver caused by exposure to alicyclic hydrocarbons in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aliphatic Amines: Damage or injury to the liver caused by exposure to Aliphatic Amines in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aliphatic Hydrocarbons: Damage or injury to the liver caused by exposure to certain aliphatic hydrocarbons in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aliphatic hydrogenated hydrocarbons: Damage or injury to the liver caused by exposure to aliphatic hydrogenated hydrocarbons in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Allyl alcohol: Damage or injury to the liver caused by exposure to allyl alcohol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Amyl acetate: Damage or injury to the liver caused by exposure to Amyl acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aromatic Hydrocarbons: Damage or injury to the liver caused by exposure to certain Aromatic Hydrocarbons in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aromatic amines: Damage or injury to the liver caused by exposure to certain aromatic amines (e.g. 2-acetylamino-fluorene) in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Aromatic halogenated hydrocarbons: Damage or injury to the liver caused by exposure to certain aromatic halogenated hydrocarbons in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Arsenic: Damage or injury to the liver caused by exposure to arsenic in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Arsine: Damage or injury to the liver caused by exposure to Arsine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Benzene: Damage or injury to the liver caused by exposure to Benzene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Benzyl chloride: Damage or injury to the liver caused by exposure to Benzyl chloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Beryllium: Damage or injury to the liver caused by exposure to beryllium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Beta-Propiolactone: Damage or injury to the liver caused by exposure to Beta-Propiolactone in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Bipyridyl pesticides: Damage or injury to the liver caused by exposure to Bipyridyl pesticides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Bismuth: Damage or injury to the liver caused by exposure to bismuth and bismuth compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Boron: Damage or injury to the liver caused by exposure to boron and boron compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Boron hydrides: Damage or injury to the liver caused by exposure to Boron hydride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Bromide: Damage or injury to the liver caused by exposure to Bromide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Cadmium: Damage or injury to the liver caused by exposure to Cadmium and Cadmium compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Carbolic Acids and Anhydrides: Damage or injury to the liver caused by exposure to carbolic acids and anhydrides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Carbon Disulfide: Damage or injury to the liver caused by exposure to Carbon Disulfide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Carbon tetrachloride: Damage or injury to the liver caused by exposure to Carbon tetrachloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Carbonyls (metal): Damage or injury to the liver caused by exposure to Carbonyls (metal) in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chlorinated benzenes: Damage or injury to the liver caused by exposure to Chlorinated benzenes in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chlorinated naphthalenes: Damage or injury to the liver caused by exposure to Chlorinated naphthalenes in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chlorodiphenyls and derivatives: Damage or injury to the liver caused by exposure to Chlorodiphenyls and derivatives in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chloroform: Damage or injury to the liver caused by exposure to chloroform in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chloroprene: Damage or injury to the liver caused by exposure to chloroprene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Chromium: Damage or injury to the liver caused by exposure to chromium and chromium compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Copper: Damage or injury to the liver caused by exposure to copper in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Cresol: Damage or injury to the liver caused by exposure to Cresol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Cyclopropane: Damage or injury to the liver caused by exposure to cyclopropane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dibromochloropropane: Damage or injury to the liver caused by exposure to Dibromochloropropane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dimethyl sulfate: Damage or injury to the liver caused by exposure to Dimethyl sulfate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dimethylnitrosamine: Damage or injury to the liver caused by exposure to Dimethylnitrosamine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dinitrobenzene: Damage or injury to the liver caused by exposure to Dinitrobenzene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dinitrophenol: Damage or injury to the liver caused by exposure to Dinitrophenol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Dinitrotoluene: Damage or injury to the liver caused by exposure to Dinitrotoluene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Diphenyl: Damage or injury to the liver caused by exposure to Diphenyl in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethanolamines: Damage or injury to the liver caused by exposure to Ethanolamines in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethyl Acetate: Damage or injury to the liver caused by exposure to Ethyl Acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethyl Ether: Damage or injury to the liver caused by exposure to ethyl ether in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethyl Salicylate: Damage or injury to the liver caused by exposure to Ethyl Salicylate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethyl alcohol: Damage or injury to the liver caused by exposure to ethyl alcohol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethylene Dibromide: Damage or injury to the liver caused by exposure to Ethylene Dibromide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethylene chlorohydrin: Damage or injury to the liver caused by exposure to ethylene chlorohydrin in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethylene dichloride: Damage or injury to the liver caused by exposure to Ethylene dichloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethylene oxide: Damage or injury to the liver caused by exposure to Ethylene oxide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ethylenediamine: Damage or injury to the liver caused by exposure to Ethylenediamine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Germanium: Damage or injury to the liver caused by exposure to Germanium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Hydrazine and derivatives: Damage or injury to the liver caused by exposure to Hydrazine and its derivatives in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Hydrogen Cyanide: Damage or injury to the liver caused by exposure to Hydrogen Cyanide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Hydrogen bromides: Damage or injury to the liver caused by exposure to Hydrogen bromides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Ionizing radiation: Damage or injury to the liver caused by exposure to Ionizing radiation in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Iron: Damage or injury to the liver caused by exposure to Iron in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Isopropyl acetate: Damage or injury to the liver caused by exposure to Isopropyl acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Kepone pesticides: Damage or injury to the liver caused by exposure to Kepone pesticides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Mercaptans: Damage or injury to the liver caused by exposure to Mercaptans in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Methyl Bromide: Damage or injury to the liver caused by exposure to Methyl Bromide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Methyl Chloride: Damage or injury to the liver caused by exposure to Methyl Chloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Methyl acetate: Damage or injury to the liver caused by exposure to Methyl acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Methylene chloride: Damage or injury to the liver caused by exposure to Methylene chloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Methylene dianiline: Damage or injury to the liver caused by exposure to Methylene dianiline in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - N,N-Dimethylformamide: Damage or injury to the liver caused by exposure to N,N-Dimethylformamide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - N-N-Dimethylacetamide: Damage or injury to the liver caused by exposure to N-N-Dimethylacetamide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - N-Nitrosodimethylamine: Damage or injury to the liver caused by exposure to N-Nitrosodimethylamine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - N-butyl acetate: Damage or injury to the liver caused by exposure to N-butyl acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - N-propyl acetate: Damage or injury to the liver caused by exposure to N-propyl acetate in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Naphthalene: Damage or injury to the liver caused by exposure to Naphthalene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Naphthol: Damage or injury to the liver caused by exposure to Naphthol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nickel: Damage or injury to the liver caused by exposure to nickel and nickel compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nitriles: Damage or injury to the liver caused by exposure to certain nitriles in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nitrobenzene: Damage or injury to the liver caused by exposure to Nitrobenzene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nitromethane: Damage or injury to the liver caused by exposure to Nitromethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nitroparaffins: Damage or injury to the liver caused by exposure to Nitroparaffins in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Nitrophenol: Damage or injury to the liver caused by exposure to Nitrophenol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Phenol: Damage or injury to the liver caused by exposure to Phenol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Phosphine: Damage or injury to the liver caused by exposure to Phosphine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Phosphorus: Damage or injury to the liver caused by exposure to Phosphorus in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Phthalic Anhydride: Damage or injury to the liver caused by exposure to phthalic anhydride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Picric Acid: Damage or injury to the liver caused by exposure to Picric Acid in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Polybrominated biphenyls: Damage or injury to the liver caused by exposure to Polybrominated biphenyls in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Polychlorinated biphenyls: Damage or injury to the liver caused by exposure to Polychlorinated biphenyls in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Propylene dichloride: Damage or injury to the liver caused by exposure to Propylene dichloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Pyridine: Damage or injury to the liver caused by exposure to Pyridine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Pyrogallol: Damage or injury to the liver caused by exposure to Pyrogallol in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Selenium: Damage or injury to the liver caused by exposure to selenium and selenium compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Stibine: Damage or injury to the liver caused by exposure to Stibine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Styrene/ethyl benzene: Damage or injury to the liver caused by exposure to Styrene/ethyl benzene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Tetrachloroethane: Damage or injury to the liver caused by exposure to Tetrachloroethane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Tetrachloroethylene: Damage or injury to the liver caused by exposure to Tetrachloroethylene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Tetramethylthiuram disulfide: Damage or injury to the liver caused by exposure to Tetramethylthiuram disulfide in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Tetryl: Damage or injury to the liver caused by exposure to Tetryl in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Thallium: Damage or injury to the liver caused by exposure to Thallium and Thallium compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Thallium sulfate pesticides: Damage or injury to the liver caused by exposure to Thallium sulfate pesticides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Thorium dioxide: Damage or injury to the liver caused by exposure to Thorium dioxide (Thorotrast) in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Tin: Damage or injury to the liver caused by exposure to tin and tin compounds in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Toluene: Damage or injury to the liver caused by exposure to Toluene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Trichloroethylene: Damage or injury to the liver caused by exposure to Trichloroethylene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Trinitrotoluene: Damage or injury to the liver caused by exposure to Trinitrotoluene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Turpentine: Damage or injury to the liver caused by exposure to Turpentine in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Uranium: Damage or injury to the liver caused by exposure to Uranium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Vinyl Chloride: Damage or injury to the liver caused by exposure to Vinyl Chloride in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Whole body vibration: Damage or injury to the liver caused by whole body vibration in an occupational setting. This often occurs when operating equipment which cause constant physical vibration such as occurs when driving off-road vehicles or forklifts. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - Xylene: Damage or injury to the liver caused by exposure to Xylene in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational liver damage - n-Heptane: Damage or injury to the liver caused by exposure to n-Heptane in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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. Occupational liver damage is considered relatively uncommon due to current safe industrial practices.
  • Occupational metal-induced liver damage - Antimony: Damage or injury to the liver caused by a exposure to antimony in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Arsenic: Damage or injury to the liver caused by a exposure to arsenic in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Barium: Damage or injury to the liver caused by a exposure to barium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Beryllium: Damage or injury to the liver caused by a exposure to beryllium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Bismuth: Damage or injury to the liver caused by a exposure to bismuth in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Boranes: Damage or injury to the liver caused by a exposure to boranes in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Boron: Damage or injury to the liver caused by exposure to boron in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Cadmium: Damage or injury to the liver caused by exposure to Cadmium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Chromium: Damage or injury to the liver caused by a exposure to chromium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Cobalt: Damage or injury to the liver caused by exposure to Cobalt in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Copper: Damage or injury to the liver caused by exposure to copper in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Germanium: Damage or injury to the liver caused by a exposure to germanium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Gold: Damage or injury to the liver caused by exposure to gold in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Hafnium: Damage or injury to the liver caused by a exposure to hafnium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Halides: Damage or injury to the liver caused by a exposure to halides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Hydrazines: Damage or injury to the liver caused by a exposure to hydrazines in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Iron: Damage or injury to the liver caused by a exposure to iron in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Lanthanides: Damage or injury to the liver caused by a exposure to Lanthanides in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Lead: Damage or injury to the liver caused by a exposure to lead in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Manganese: Damage or injury to the liver caused by a exposure to manganese in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Mercury: Damage or injury to the liver caused by exposure to mercury in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Molybdenum: Damage or injury to the liver caused by a exposure to molybdenum in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Nickel: Damage or injury to the liver caused by a exposure to nickel in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Niobium: Damage or injury to the liver caused by a exposure to niobium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Phosphorus: Damage or injury to the liver caused by a exposure to phosphorus in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Selenium: Damage or injury to the liver caused by a exposure to selenium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Tellurium: Damage or injury to the liver caused by a exposure to tellurium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Thallium: Damage or injury to the liver caused by a exposure to thallium in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Occupational metal-induced liver damage - Tin: Damage or injury to the liver caused by a exposure to tin in an occupational setting. Often other organs and tissues are also affected but only the liver toxicity symptoms are listed below. 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.
  • Odonto onycho dysplasia with alopecia: A very rare syndrome characterized mainly by tooth, nail and hair abnormalities.
  • Oedema of the lower extremity: An abnormal accumulation of fluid in the lower extremity
  • Oliver syndrome: An extremely rare condition characterized by extra fingers and/or toes and mental retardation.
  • Olivopontocerebellar Atrophy: A group of diseases progressive degeneration occurs in a particular area of the brain (olivopontocerebellar area) which results in various neurological symptoms.
  • Omeprazole - Teratogenic Agent: There is evidence to indicate that exposure to Omeprazole 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.
  • Omodysplasia: A rare disorder characterized by short-limbed dwarfism, dislocated forearm and facial anomalies.
  • Omodysplasia type 1: A very rare syndrome characterized mainly by extremely short stature due to short bones in the arms and legs.
  • Oncogenic osteomalacia: A rare type of cancer (mesenchymal) that results in osteomalacia or rickets. Osteomalacia and rickets normally occurs as a consequence of a diet deprived of vitamin D. The tumor can occur in bone or soft tissue. The removal of the tumor alleviates the osteomalacia.
  • Opioid withdrawal: Symptoms that occur when opioid use is discontinued or reduced. Symptoms may vary depending on the level of dependence. Opioids includes heroin, methadone and codeine.
  • Opitz-Reynolds-Fitzgerald syndrome: A very rare syndrome characterized mainly by extra little fingers, deafness and bone abnormalities of the face.
  • Opthalmo acromelic syndrome: A very rare syndrome characterized mainly by missing eyes and limb anomalies.
  • Opthalmoplegia - mental retardation - lingua scrotalis: A very rare syndrome characterized mainly by weak or paralyzed eye muscles, mental retardation and a fissured tongue.
  • Oral facial digital syndrome, type 4: A rare inherited disorder characterized by facial, digital and oral abnormalities. Type IV is differentiated from the other types by the presence of severe shinbone deformity.
  • Oral facial digital syndrome, type IV: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities, brain defects and short stature.
  • Orofaciodigital syndrome, Shashi type: A rare genetic disorder involving oral, facial and digital abnormalities as well as the absence of the pituitary gland.
  • Osgood-Schlatter Disease: A condition where the bony lump below the knee becomes inflamed resulting in swelling, pain and tenderness.
  • Osler-Vaquez disease: An uncommon chronic blood disease involving an increased red blood cell count.
  • Ossified Ear cartilages with Mental deficiency, Muscle Wasting and Bony Changes: A very rare syndrome characterized mainly by mental retardation, cataracts, muscle disease and calcified ear cartilage. The muscle wasting starts in the lower legs and eventually involves the small hand muscles.
  • Osteoarthritis: A form of degenerative arthritis due to chronic degeneration
  • Osteoarthritis, Hip: A common degenerative hip joint disorder that tends to affect older people. The main symptom is pain.
  • Osteochondritis Dissecans: A rare condition caused by an interruption of the blood supply to section of bone in a joint which can result in a piece of bone breaking off and causing pain. The knee is most often affected but it can occur in ankles and elbows.
  • Osteochondroma: A bone development abnormality characterized by the development of a benign bone tumor that occurs on the ends of long bones. Symptoms, if any, are determined by the location and size of the tumor. The tumor can occur singly or in multiples and in rare instances the tumors may become malignant.
  • Osteochondrosis: A disease that is affects the growth ossification centres in children
  • Osteogenesis imperfecta - congenital joint contractures: 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 and Bruck Syndrome 2.
  • Osteogenesis imperfecta Type I: A rare genetic connective tissue disorder characterized by fragile bones, blue sclerae and hyperextensible joints.
  • Osteogenesis imperfecta, type 1A: A rare genetic connective tissue disorder characterized by fragile bones and hyperextensible joints - a type of osteogenesis imperfecta I where the teeth are opalescent and blue sclerae may be absent.
  • Osteogenesis imperfecta, type 1B: A rare genetic connective tissue disorder characterized by fragile bones and hyperextensible joints - a milder form of osteogenesis imperfecta I where the teeth are normal and blue sclerae may be absent.
  • Osteogenesis imperfecta, type 4: A rare genetic connective tissue disorder characterized by fragile bones and blue sclerae - a form of OI involving moderate osteoporosis and no joint hyperextensibility.
  • Osteoid Osteoma: Benign bone tumor usually in long bones
  • Osteolysis hereditary multicentric: A very rare skeletal disorder characterized by bone loss in the hand and foot bones (carpals and tarsals) as well as abnormalities involving the long bones and digits.
  • Osteomalacia: Softening of bones caused by a vitamin D deficiency.
  • Osteomyelitis: An infection that occurs in bone
  • Osteopetrosis, autosomal recessive 2: 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. This form is relatively mild with survival possible for a couple of decades in some cases.
  • Osteosclerosis - ichthyosis - premature ovarian failure: A very rare syndrome characterized mainly by increased bone density, scaly skin and premature menopause.
  • Osteosclerosis with ichthyosis and premature ovarian failure: A very rare syndrome characterized mainly by increased bone density, scaly skin and premature menopause.
  • Oto-Palatal-digital syndrome: A very rare syndrome characterized a variety of abnormalities including skeletal anomalies, distinctive face and cleft palate. There are two types of the disorder (type 1 and 2) with type 2 being more severe.
  • Oto-facio-osseous-gonadal syndrome: A rare syndrome characterized by ear, facial, bone and gonadal abnormalities.
  • Oto-palato-digital syndrome, type 2: A rare genetic disorder characterized by head, face, mouth and bone abnormalities.
  • Otoonychoperoneal syndrome: A very rare syndrome characterized mainly by underdeveloped ears and nails, shoulder anomalies and straight collarbones.
  • Otospondylomegaepiphyseal dysplasia: A rare genetic disorder where abnormal bone growth causes hearing loss, skeletal abnormalities and characteristic facial features.
  • Oxytetracycline - Teratogenic Agent: There is evidence to indicate that exposure to Oxytetracycline 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.
  • PEHO-like syndrome: A rare birth disorder characterized by brain anomalies due to prenatal ischemia. Clinically it is the same as true PEHO syndrome but differs in the type of brain abnormality involved. True PEHO syndrome is inherited and tends to involve an underdeveloped cerebellum which is absent in PEHO-like syndrome.
  • POEMS syndrome: A very rare disorder that has widespread effects on the body: P - polyneuropathy, O - organopathy, E - endocrinopathy, M - monoclonal gammopathy, S - skin changes.
  • Pachyonychia congenital syndrome: A rare genetic ectodermal disorder characterized by thick nails, thick skin on palms and soles and white patches on tongue and inside of cheek.
  • Paget's disease of bone: A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile.
  • Paget's disease, type 1: A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile. Type 1 is caused by a mutation on chromosome 6p21.3.
  • Paget's disease, type 4: A rare disorder involving pigmentation and vascular abnormalities. The lesions usually involve large areas of the body and the pigmentation color can include pink, bluish and brown.
  • Pallister-Ulnar mammary syndrome: A rare genetic condition characterized by extra or missing digits, breast and dental abnormalities.
  • Pancreas conditions: Any condition that affects the pancreas
  • Panic attack: A condition which is characterized by an acute episode of intense anxiety
  • Panic disorder: is a severe medical condition characterized by extremely elevated mood
  • Papaverine - Teratogenic Agent: There is evidence to indicate that exposure to Papaverine 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.
  • Paragonimiases - lung infection: Infection by a parasitic worm, Paragonimus westermani, which are a type of lung fluke which invade the lungs and other organs where they cause problems. Infection occurs through eating freshwater crabs and crayfish which have not been cooked sufficiently.
  • Paralytic shellfish poisoning: Rare food poisoning from eating contaminated shellfish
  • Paramethadione - Teratogenic Agent: There is evidence to indicate that exposure to Paramethadione 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.
  • Paraplegia: Paralysis of the lower half of the body.
  • Paraplegia - brachydactyly - cone-shaped epiphysis: A very rare syndrome characterized mainly by paraplegia, short fingers and bone abnormalities. The paraplegia progresses slowly.
  • Parastremmatic dwarfism: A rare disorder characterized by severe dwarfism, kyphoscoliosis, contractures of the large joints and twisted and bowed limb bones.
  • Parkinson disease 10 (PARK10): Type 10 Parkinson disease is linked to a genetic mutation on chromosome 1p32. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 11 (PARK11): Type 11 Parkinson disease is linked to a genetic mutation on chromosome 2q21.2. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 12 (PARK12): Type 12 Parkinson disease is linked to a genetic mutation on chromosome Xq21-q25. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 13 (PARK13): Type 13 Parkinson disease is linked to a genetic mutation on chromosome 2p12. This form of the condition tends to progress slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 2, autosomal recessive juvenile (PARK2): Type 2 Parkinson disease is juvenile form of the condition and is linked to a genetic mutation on chromosome 6q25.2-q27. The condition may be inherited in a recessive manner and symptoms tend to be milder following sleep. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 3, autosomal dominant Lewy body (PARK3): Type 3 Parkinson disease is linked to a genetic mutation on chromosome 2p13. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 4, autosomal dominant Lewy body (PARK4): Type 4 Parkinson disease is linked to a genetic mutation on chromosome 4q21. This form of the condition tends to start around the age of 45 years and progresses rapidly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 5 (PARK5): Type 5 Parkinson disease is linked to a genetic mutation on chromosome 4p14. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 6, autosomal recessive early-onset (PARK6): Type 6 Parkinson disease is an early-onset form of the condition and is linked to a genetic mutation on the PINK1 gene on chromosome 1p36. The condition may be inherited in a recessive manner and symptoms tend to fluctuate during the day. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 7, autosomal recessive early-onset (PARK7): Type 7 Parkinson disease is linked to a genetic mutation in the DJ1 gene on chromosome 1p36. This form of the condition tends to start before the age of 40 years and progresses slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 8 (PARK8): Type 8 Parkinson disease is linked to a genetic mutation on chromosome 1p32. This form of the condition tends to progress slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease 9 (PARK9): Type 9 Parkinson disease is linked to a mutation in the ATP13A2 gene on chromosome 1p36. This condition progresses rapidly and usually starts during the second decade of life. Dementia, eye movement problems and wasting of the brain tissue occur in addition to the typical symptoms of Parkinson's disease. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Parkinson disease, familial, type 1 (PARK1): Type 1 familial Parkinson disease is linked to a genetic mutation on chromosome 4q21. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
  • Paroxetine - Teratogenic Agent: There is evidence to indicate that exposure to Paroxetine 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.
  • Partial Trisomy 18 Syndrome: A rare genetic chromosomal syndrome where the child has an extra third copy of only part of chromosome 18 in the body's cells. It is a less severe form of Edwards syndrome - the most severe form involves and extra copy of the whole of chromosome 18 in all of the body's cells. The severity of the condition is highly variable depending on how many of the body's cells are involved and how much of the chromosome is involved.
  • Partial atrioventricular canal: A type of congenital heart defect involving and abnormal opening between the heart chambers and defective valves that control blood flow in the heart. The partial form of the condition involves only the two upper heart chambers. Symptoms are determined by the severity of the defect. Often symptoms do not become apparent until later in life.
  • Patterson pseudoleprechaunism syndrome: A very rare disorder characterized by excessive pigmentation, looks skin, unusual face, several mental retardation and bone abnormalities.
  • Pelvic dysplasia arthrogryposis of lower limbs: A very rare syndrome characterized mainly by pelvic anomalies and joint contractures involving the legs.
  • Pelvic lipomatosis: A rare disorder where benign fatty growths develop in the pelvic area. Mainly occurs in obese, hypertensive, black males during old age. The main symptoms of the disorder tend to be related to compression of various genitourinary organs by the abnormal mass.
  • Pena Shokeir syndrome, type 1: 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.
  • Pena-Shokeir syndrome Type 2: A rare progressive congenital syndrome involving degeneration of the brain and spinal cord and characterized by facial, head, skeletal and muscular abnormalities as well as eye abnormalities.
  • Penfluridol - Teratogenic Agent: There is evidence to indicate that exposure to Penfluridol 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.
  • Penicillamine - Teratogenic Agent: There is evidence to indicate that exposure to Penicillamine 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.
  • Penicillamine, D - Teratogenic Agent: There is evidence to indicate that exposure to Penicillamine, D 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.
  • Peptidic growth factors deficiency: A very rare syndrome characterized mainly by diabetes, skin abnormalities, small jaw and muscle contractures.
  • Periodic limb movements in sleep: Repeated involuntary leg movements during sleep.
  • Peripheral vascular disease: Disease of arteries supplying the legs or sometimes arms
  • Peroxisomal bifunctional enzyme deficiency: A rare disorder involving abnormal steroid metabolism due to an enzyme 17-beta-hydroxysteroid dehydrogenase 4) deficiency. The symptoms which make the condition appear very similar to another condition called neonatal adrenoleukodystrophy.
  • Pes planus: A collapse of the arch of the foot, leading to a flattening of the feet.
  • Phenylephrine - Teratogenic Agent: There is evidence to indicate that exposure to Phenylephrine 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.
  • Pierre Robin syndrome - fetal chondrodysplasia: A very rare inherited disorder involving bone growth abnormalities, impaired hearing and a characteristic face.
  • Pierre-Robin syndrome with fetal chondrodysplasia: A very rare inherited disorder involving bone growth abnormalities, impaired hearing and a characteristic face.
  • Pierson syndrome: A very rare syndrome characterized mainly by a small pupil and kidney disease at birth.
  • Pitt-Hopkins syndrome: A very rare syndrome characterized mainly by mental retardation with periods of overbreathing and apnea.
  • Pituitary cancer, childhood: Cancer (malignant) of the pituitary gland in children. The pituitary gland produces various hormones and some pituitary tumors (functioning tumors) can affect the secretion of one or more of these hormones resulting in a range of symptoms depending on the exact location of the tumor. Some pituitary tumors do not affect hormone production (nonfunctioning tumors).
  • Pituitary tumors, adult: A benign or cancer tumor that develops in the tissue of the pituitary gland in adults. The pituitary gland produces various hormones and some pituitary tumors (functioning tumors) can affect the secretion of one or more of these hormones resulting in a range of symptoms depending on the exact location of the tumor. Some pituitary tumors do not affect hormone production (nonfunctioning tumors).
  • Pizotifen - Teratogenic Agent: There is evidence to indicate that exposure to Pizotifen 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.
  • Plant toxin-induced liver damage - Albitocin: Damage or injury to the liver caused by exposure to a toxin called albitocin found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Cycasin: Damage or injury to the liver caused by exposure to a toxin called cycasin found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Icterogenin: Damage or injury to the liver caused by exposure to a toxin called Icterogenin found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Indospicine: Damage or injury to the liver caused by exposure to a toxin called Indospicine found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Lanthana: Damage or injury to the liver caused by exposure to a toxin called Lanthana found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Ngaione: Damage or injury to the liver caused by exposure to a toxin called Ngaione found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Nutmeg: Damage or injury to the liver caused by exposure to a toxin called Nutmeg found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Pyrrolidizine: Damage or injury to the liver caused by exposure to a toxin called Pyrrolidizine found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Safrole: Damage or injury to the liver caused by exposure to a toxin called Safrole found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plant toxin-induced liver damage - Tannic Acid: Damage or injury to the liver caused by exposure to a toxin called Tannic Acid found in certain plants. Often other organs and tissues are also affected by this toxin but only the liver toxicity symptoms are listed below. 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.
  • Plasmalogenes synthesis deficiency isolated: A rare genetic disorder involving abnormal development of bones due to a particular enzyme deficiency (peroxisomal dihydroxyacetonephosphate acyl transferase).
  • Plasmalogens synthesis deficiency isolated: A rare genetic disorder involving abnormal development of bones due to a particular enzyme deficiency (peroxisomal dihydroxyacetonephosphate acyl transferase).
  • Plica Syndrome: Knee inflammation usually triggered by overuse or injury.
  • Plum syndrome: A very rare syndrome characterized mainly by eye, brain and bone abnormalities.
  • Polyarteritis nodosa: A serious blood vessel disease where small and medium-sized arteries become swollen and damaged and are unable to adequately supply oxygenated blood to various tissues in the body. The disease can occur in a mild form or a serious, rapidly fatal form.
  • Polycythemia rubra: An uncommon chronic blood disease involving an increased production of red blood cells by the bone marrow. The production of platelets and white blood cells may also be increased.
  • Polydactyly - myopia syndrome: A very rare syndrome characterized mainly by extra fingers and toes as well as progressive nearsightedness.
  • Polydactyly visceral anomalies cleft lip palate: A rare syndrome characterized mainly by the association of extra digits, cleft lip and/or palate and visceral anomalies. Various other abnormalities may also be present.
  • Polymyalgia rheumatica: A condition characterized by muscle pain and stiffness, fatigue and fever. It is often associated with giant-cell arteritis which is a related but more serious condition.
  • Polyneuritis: Widespared inflammation of nerves
  • Polyneuropathy - Ophthalmoplegia - Leukoencehalopathy - Intestinal Pseudo-Obstruction: A rare genetic disorder which affects a number of body systems and manifests results in symptoms such as droopy eyelids, progressive eye muscle weakness, gastrointestinal dysmotility, brain disease, thin body, peripheral neuropathy and muscle disease.
  • Polythiazide - Teratogenic Agent: There is evidence to indicate that exposure to Polythiazide 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.
  • Poor blood supply to legs: The occurrence of poor blood supple to the legs
  • Porphyria, Ala-D: A very rare inherited disorder where involving a lack of the enzyme delta-aminolevulinic acid dehydratase.
  • Porphyria, hereditary coproporphyria: An inherited disorder that affects the nervous system and sometimes the skin. It occurs when a metabolic disorder results in excessive production of coproporphyrins which accumulate in body tissues and is excreted in large amounts.
  • Portuguese type amyloidosis: An inherited form of systemic amyloidosis which involves deposits of a substance called amyloid throughout various parts of the body.
  • Posterior tibial tendon rupture: Rupture of the tendon at the bottom of the foot that helps maintain the foot arch. Some people are more prone to this condition than others - e.g. those who are over weight or have a history of flat feet. The pain usually begins on the inside of the foot behind the ankle.
  • Postoperative hip fracture: The fracture of a hip after an operation
  • Potter syndrome: A congenital condition involving absence of kidneys resulting in decreased amniotic fluid and compression of the fetus. The affected baby has leg deformities, poorly developed lungs and a wrinkled, flattened facial appearance and often don't survive.
  • Potter syndrome type 2: A term that describes the physical appearance that occurs when kidney disease results in a reduced volume of amniotic fluid. In type 2, one kidney is absent and the other is small and malformed.
  • Powell-Venencie-Gordon syndrome: A very rare syndrome characterized mainly by thickened skin on the palms and soles as well as spastic paralysis.
  • Pratesi syndrome: Cramping and coldness in the feet. It is most common in middle-aged males.
  • Prednisone - Teratogenic Agent: There is evidence to indicate that exposure to Prednisone 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.
  • Primary Lateral Sclerosis: A neurological disorder involving the upper motor nerves and causing progressive muscle weakness in the extremities and facial area. This condition involves mutations in the same gene and overlapping symptoms with juvenile primary lateral sclerosis but the difference is that primary lateral sclerosis only involves degeneration of the upper motor neurons whereas infantile-onset spastic paralysis is more severe and involves degeneration of upper and lower motor neurons.
  • Primary pulmonary hypertension: Primary pulmonary hypertension refers to high blood pressure in the arteries that carry blood to the lungs for no apparent reason. Blood pressure in other parts of the body is normal or sometimes even low.
  • Primary pulmonary hypertension - Dexfenfluramine-associated: Dexfenfluramine-associated primary pulmonary hypertension refers to high blood pressure in the blood vessels that carry blood to the lungs as a result of using a diet drug called Dexfenfluramine. Blood pressure in other parts of the body is normal or sometimes even low. Only certain people with a particular genetic anomaly will develop this condition when using the diet drug.
  • Primary pulmonary hypertension - Fenfluramine-associated: Fenfluramine-associated primary pulmonary hypertension refers to high blood pressure in the blood vessels that carry blood to the lungs as a result of using a diet drug called Fenfluramine. Blood pressure in other parts of the body is normal or sometimes even low. Only certain people with a particular genetic anomaly will develop this condition when using the diet drug.
  • Primrose Syndrome: A very rare syndrome characterized mainly by mental retardation, cataracts, muscle disease and calcified ear cartilage. The muscle wasting starts in the lower legs and eventually involves the small hand muscles.
  • Progestagen - Teratogenic Agent: There is evidence to indicate that exposure to Progestagen 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.
  • Prolidase deficiency: A rare metabolic disorder where an enzyme (prolidase) deficiency impairs the breakdown of certain proteins which causes a harmful buildup in the body. The type and severity of symptoms are variable and may include skin disorders, retarded motor development, impaired cognitive development, frequent infections and skeletal abnormalities.
  • Prosencephaly - cerebellar dysgenesis: A very rare condition involving abnormal development of the forebrain.
  • Prostate Cancer: Cancer of the prostate.
  • Proteinuria: Excessive protein excreted in urine.
  • Proximal spinal muscular atrophy: A rare group of muscle disorders which mainly affects the muscles closest to the trunk of the body. Muscles become progressively weak and wasted due to damage to motor neurons in the spinal cord and brainstem.
  • Pseudoachondroplastic dysplasia 2: A very rare syndrome characterized mainly by retarded growth, short limbs and other skeletal deformities.
  • Pseudodiastrophic dysplasia: A rare genetic disorder characterized by short stature, contractures and joint dislocations.
  • Pseudoephedrine - Teratogenic Agent: There is evidence to indicate that exposure to Pseudoephedrine 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.
  • Pseudoprogeria syndrome: A very rare syndrome characterized mainly by absent eyelashes and eyebrows as well a mental retardation.
  • Pseudotrisomy 13 syndrome: A very rare chromosomal disorder characterized mainly by abnormal forebrain development (holoprosencephaly), underdeveloped midface and extra fingers
  • Psoas sign: The occurrence of pain whilst contracting the psoas muscle may indicate an appendicitis the is located posteriorly
  • Psoriasis: Chronic skin rash condition, usually red or silver and blistery.
  • Psychotropic agent-induced liver damage: Damage or injury to the liver caused by exposure to psychotropic agents. Psychotropic 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.
  • Psychotropic agent-induced liver damage - Benzodiazepine: Damage or injury to the liver caused by exposure to a psychotropic agent called benzodiazepine. Psychotropic 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.
  • Psychotropic agent-induced liver damage - Butyrophenone: Damage or injury to the liver caused by exposure to a psychotropic agent called butyrophenone. Psychotropic 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.
  • Psychotropic agent-induced liver damage - Phenothiazines: Damage or injury to the liver caused by exposure to a psychotropic agent called phenothiazine. Psychotropic 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.
  • Psychotropic agent-induced liver damage - Thioxanthene: Damage or injury to the liver caused by exposure to a psychotropic agent called Thioxanthene. Psychotropic 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.
  • Psychotropic agent-induced liver damage - monoamine oxidase inhibitors: Damage or injury to the liver caused by exposure to psychotropic agents called monoamine oxidase inhibitors. Psychotropic 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.
  • Psychotropic agent-induced liver damage - tricyclic antidepressant: Damage or injury to the liver caused by exposure to a psychotropic agent called tricyclic antidepressant. Psychotropic 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.
  • Pterygia - Mental retardation - Distinctive Craniofacial Features: A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies.
  • Pulmonary branches stenosis: A very rare disorder where the pulmonary branches are narrower than normal. The severity of symptoms depends on the degree of narrowing.
  • Pulmonary edema: A condition which is characterized by engorgement of the pulmonary vessels and transudation of fluid into the alveoli
  • Pulmonary hypertension: The occurrence of hypertension the blood vessels of the lungs
  • Pulmonary hypoxic hypertension: Pulmonary hypoxic hypertension is characterized by high blood pressure and low oxygen levels that result from constriction of the blood vessels leading to the lungs.
  • Pulmonary thromboembolic hypertension: Pulmonary thromboembolic hypertension refers to high blood pressure in the blood vessels that carry blood to the lungs due to a blood clot in one of these blood vessels. Blood pressure in other parts of the body is normal or sometimes even low.
  • Purpura simplex: Bruising condition mostly in women
  • Putti-Chavany syndrome: Irritation of one of the sciatic nerves which causes back and foot pain followed by reduced pain and paralysis and sensory abnormalities in the foot.
  • Pyle disease: A rare genetic disorder characterized by numerous bone abnormalities as well as loss of vision and hearing.
  • Pyridoxine deficiency: Deficiency of vitamin B6 which has many uses in the body.
  • Pyruvate Kinase Deficiency: A rare inherited blood disorder involving a deficiency of the enzyme pyruvate kinase.
  • Quadriplegia: Paralysis of all four limbs and usually the entire trunk from the neck down; due to spinal cord damage at level of cervical spine (neck).
  • Queensland tick typhus: Form of typhus from North-Australian ticks
  • Quinethazone - Teratogenic Agent: There is evidence to indicate that exposure to Quinethazone 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.
  • Radial defect - Robin sequence: A very rare syndrome characterized mainly by abnormal forearm bone, club foot, finger and toe abnormalities and a cleft palate.
  • Radio digito - facial dysplasia: A very rare syndrome characterized mainly by abnormalities of the arm bones and facial anomalies.
  • Radio renal syndrome: A very rare syndrome characterized mainly by kidney, forearm and and thumb abnormalities.
  • Ranitidine - Teratogenic Agent: There is evidence to indicate that exposure to Ranitidine 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.
  • Rasmussen-Johnsen-Thomsen syndrome: A very rare syndrome characterized mainly by the lack of an ear canal opening as well as foot deformities.
  • Ray-Peterson-Scott syndrome: A very rare syndrome characterized mainly by pelvic anomalies and joint contractures involving the legs.
  • Raynaud's phenomenon: 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 acrocyanosis.
  • Reductional transverse limb defects: A rare malformation where a there is a portion of a limb missing such as a missing hand or foot.
  • Reiter’s syndrome: A form of reactive arthritis characterized by arthritis, urethritis, conjunctivitis and skin lesions.
  • Renal Cell Carcinoma 2: A genetic form of kidney cancer.
  • Renal Cell Carcinoma 3: A dominantly inherited form of kidney cancer which is linked to chromosome 5q.
  • Renal Cell Carcinoma 4: A genetic form of kidney cancer.
  • Renal cancer, familial: A genetic form of kidney cancer that tends to run in families.
  • Renal dysplasia - limb defects syndrome: A very rare syndrome characterized mainly by abnormal kidney development and various arm bone defects.
  • Renal osteodystrophy: Lack of bone mineralization due to kidney disease.
  • Restless Legs Syndrome: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs.
  • Restless Legs Syndrome, Susceptibility To, 1: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 1 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 12q12-q21.
  • Restless Legs Syndrome, Susceptibility To, 2: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 2 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 14q13-q31.
  • Restless Legs Syndrome, Susceptibility To, 3: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 3 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 9p24-p22.
  • Restless Legs Syndrome, Susceptibility To, 4: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 4 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 2q33.
  • Restless Legs Syndrome, Susceptibility To, 5: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 5 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 20p13.
  • Restless Legs Syndrome, Susceptibility To, 6: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 6 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 6p21.
  • Restless Legs Syndrome, Susceptibility To, 7: A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs. Symptoms tend to occur mainly at night. Type 7 refers to an increased susceptibility to the condition which is caused by a defect in chromosome 2p14.
  • Restless legs: An increased movement of legs during sleep
  • Restrictive cardiomyopathy: A condition which is characterized by restriction to the function of the walls of the heart
  • Rett's syndrome: Autism-like behavioral syndrome in infant girls
  • Rheumatic fever: An inflammatory disorder that can occur as a complication of untreated streptococcal bacterial infection such as strep throat or scarlet fever. The condition may affect the brain, skin, heart and joints.
  • Rheumatoid arthritis: An autoimmune inflammatory condition which primarily affects the joints
  • Rhizomelic chondrodysplasia punctata, type 2: A rare genetic disorder involving abnormal development of bones due to a particular enzyme deficiency (glyceronephosphate O-Acyl transferase). The bones have abnormal calcification of bones near the joints. The genetic defect is located on chromosome 1q42.
  • Rhizomelic dysplasia Patterson Lowry type: A very rare syndrome characterized mainly by short upper arm and thigh bones.
  • Rhizomelic dysplasia, scoliosis, and retinitis pigmentosa: A very rare syndrome characterized by an eye disorder, scoliosis and other skeletal abnormalities.
  • Rhizomelic syndrome: A very rare syndrome characterized mainly by short upper arm and thigh bones. Death frequently occurs in early childhood.
  • Richieri Costa Guion Almeida Cohen syndrome: A very rare syndrome characterized mainly by premature fusion of skull bones, facial anomalies and various other abnormalities.
  • Richieri-Costa-Silveira-Pereira syndrome: A very rare syndrome characterized mainly by short stature, hand anomaly, clubfoot a cleft palate and various other abnormalities.
  • Rickets: A condition that affects the bones due to vitamin D deficiency
  • Rocky Mountain spotted fever: A bacterial disease caused by Rickettsia rickettsii and transmitted by ticks. The condition causes fever and a characteristic rash and may be fatal in severe or untreated cases.
  • Roy-Maroteaux-Kremp syndrome: A very rare syndrome characterized mainly by skin lesions abnormal bone development and spastic paraplegia.
  • Rubinstein-Taybi Syndrome: A rare congenital disorder characterized by very small stature, broad thumbs and toes, slanted palpebral fissures and hypoplastic maxilla.
  • Ruptured achilles tendon: Rupture (break) in the achilles tendon
  • Rénon-Delille syndrome: A rare syndrome characterized by reduced function of the thyroid and ovaries and enlarged hands and feet.
  • SPG: A group of neurodegenerative disorders involving progressive spasticity and increased reflexes in the legs. The rate of progression and severity is variable depending on the subtype involved.
  • Sacral agenesis: A very rare syndrome characterized mainly by the abnormal development of the tailbone (sacrum).
  • Sakati syndrome: A rare genetic condition characterized by head and digital anomalies as well as other abnormalities.
  • Sallis-Beighton syndrome: A rare inherited syndrome characterized mainly by hand and foot abnormalities.
  • Sandhaus Ben-Ami syndrome: A rare disorder characterized by an underdeveloped kneecap and other skeletal abnormalities.
  • Sandrow syndrome: A disorder characterized mainly by hand and foot defects as well as nose abnormalities which affects the ability to breath.
  • Sarcoglycanopathy: A form of limb-girdle muscular dystrophy involving abnormalities of the sarcoglycan protein which results in progressive muscle weakness. The severity is greatly variably from wheelchair confinement at the age of 9 years to asymptomatic adults. Most tend to live to their third decade.
  • Sarcoidosis: Rare autoimmune disease usually affecting the lungs.
  • Satoyoshi syndrome: A very rare syndrome characterized by alopecia, diarrhea, skeletal abnormalities and painful leg cramps caused by physical exercise or emotional stress.
  • Say-Field-Coldwell syndrome: A very rare syndrome characterized mainly by fingerlike thumbs and a dislocated kneecap.
  • Scabies: Mite infection of the skin common in institutions.
  • Scapuloperoneal amyotrophy: An inherited disorder characterized by muscle wasting and weakness in the shoulder and lower leg.
  • Scapuloperoneal myopathy: An inherited disorder involving muscle wasting and weakness in the shoulder and lower leg.
  • Scapuloperoneal myopathy, MYH7-related: A dominantly inherited disorder involving muscle wasting and weakness that occurs mainly in the shoulder and lower leg muscles. It results from a defect in the MYH7 gene on chromosome 14q12.
  • Scapuloperoneal myopathy, X-linked dominant: An inherited disorder involving muscle wasting and weakness that occurs mainly in the shoulder girdle and lower leg muscles. It results from a defect in the FHL1 gene on chromosome Xq27.2.
  • Scapuloperoneal syndrome, neurogenic type: An inherited disorder involving muscle wasting and weakness in the shoulder and lower leg. The legs are often affected first.
  • Scapuloperoneal syndrome, neurogenic, Kaeser type: An inherited disorder involving muscle wasting and weakness in the shoulder and lower leg. The legs are often affected first.
  • Schaefer-Stein-Oshman syndrome: A rare disorder where excessive growth and abnormal hardening affects the head and facial bones.
  • Scheuermann's disease: Bone disease affecting the spine
  • Schinzel Giedion Syndrome: A rare genetic disorder characterized by many skeletal and genital anomalies, unusual face, mental retardation and kidney malformations.
  • Schwartz-Lelek syndrome: A rare disorder characterized mainly by bowed legs, knock knees and an enlarged head.
  • Schwarz-Lélek syndrome: A syndrome characterized by various skeletal abnormalities.
  • Sciatica: neuralgia along the nerve course of the sciatic nerve
  • Scleroderma: A rare, progressive connective tissue disorder involving thickening and hardening of the skin and connective tissue. There are a number of forms of scleroderma with some forms being systemic (involving internal organs).
  • Secernentea Infections: Infection with a type of parasitic nematode (worm). The symptoms are highly variable depending on where the worm migrates to through out the body and which particular species is involved. Some examples of nematodes are Wuchereria, Spirurina, Mansonella, Drucunculus, Loa and Ascaris.
  • Seckel syndrome: A rare condition characterized by fetal and postnatal growth retardation, mental retardation and characteristic facial features.
  • Seckel syndrome 3: Seckel syndrome is a rare inherited disorder mainly involving retarded growth, mental retardation, small head and a facial appearance resembling a bird. It is often referred to as bird-headed dwarfism. There are three subtypes of the disorder with type 1 being the most severe.
  • Seckel-like syndrome, type Buebel: A rare syndrome characterized by dwarfism and other abnormalities characteristic of Seckel syndrome as well as hand and foot anomalies.
  • Secondary pulmonary hypertension: Secondary pulmonary hypertension refers to high blood pressure in the arteries that carry blood to the lungs. Blood pressure in other parts of the body is normal or sometimes even low. The condition may be caused by such things as lung conditions (e.g. emphysema, chronic bronchitis), heart conditions (e.g. congestive heart failure, birth defects involving heart), AIDS or medications such as fenfluramine (a diet drug).
  • Sensory neuropathy type 1: Type I sensory neuropathy is an inherited condition characterized by progressive degeneration of the nervous system which manifests primarily as loss of sensation in the hands and feet. The sensory loss is worse in the feet and legs than the hands and arms. Muscle wasting and weakness of variable severity tends to occur after sensory loss.
  • Septooptic dysplasia - digital anomalies: A very rare syndrome characterized mainly by finger and toe abnormalities as well as abnormal development of the optic nerve and pituitary gland. Antenatal exposure to sedatives may be a factor in the cause of the disorder.
  • Seronegative spondyloarthropathy: Spondyloarthropathy that is negative to rheumatoid facotr
  • Severe achondroplasia with developmental delay and acanthosis nigricans: A very rare inherited disorder characterized by abnormal bone development and brain and skin abnormalities.
  • Shin burning sensation: A burning sensation on the shin.
  • Shin coldness: A cold sensation occurring on the shin.
  • Shin paresthesia/ tingling: A loss of sensation located at or around the shin.
  • Shin spasm: A sudden involuntary contraction of the muscles of the shin.
  • Short limb dwarf lethal, Mcalister Crane type: A very rare syndrome characterized mainly by short arms and legs and resulting in stillbirth or infant death.
  • Short limb dwarfism, Al Gazali type: A very rare lethal disorder involving severe limb shortening and other skeletal deformities.
  • Short limbs - abnormal face - congenital heart disease: A very rare syndrome characterized by the association of short arms and legs, an abnormal facial appearance and congenital heart disease. Limb shortening tends to affects the arms more than the legs.
  • Short rib-polydactyly syndrome, Majewski type: A rare genetic disorder which is a lethal form of short-limb dwarfism and is characterized by short stature, disproportionately short limbs, extra fingers and toes and other deformities.
  • Short rib-polydactyly syndrome, Saldino-Noonan type: A rare genetic disorder characterized by short stature, bone formation abnormalities, heart defects and other deformities.
  • Short stature - Robin sequence - cleft mandible - hand anomalies - clubfoot: A very rare syndrome characterized mainly by short stature, a cleft in the lower jaw, hand anomalies, club foot and mouth abnormalities (Robin sequence).
  • Short stature - craniofacial anomalies - genital hypoplasia: A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies.
  • Short stature - hyperkaliemia - acidosis: A very rare syndrome characterized mainly by short stature and metabolic abnormality.
  • Short stature - monodactylous - ectrodactyly - cleft palate: A very rare syndrome characterized mainly by short stature, missing fingers and a cleft palate.
  • Short stature - talipes - natal teeth: A very rare syndrome characterized mainly by short stature, early tooth eruption, and a foot deformity (talipes).
  • Shprintzen-Golberg craniosynostosis: A very rare syndrome characterized by premature fusion of skull bones and a Marfanoid appearance, skeletal anomalies and learning problems.
  • Sickle cell anemia: Sickle cell anemia is an inherited blood disorder characterized by red blood cells which are crescent-shaped rather than the normal doughnut shape. These abnormally shaped red blood cells are unable to function normally and tend to undergo premature destruction which leads to anemia. If the genetic defect which causes the condition is inherited from both parents the condition can be quite severe whereas if it is inherited from only one parent, often there are no symptoms. The abnormally shaped red blood cells can cause problems when they clump together and block blood vessels.
  • Siderius type X-linked mental retardation syndrome: A rare inherited form of mental retardation involving a defect on chromosome Xp11.2. The symptoms are evident in males but females may be carriers.
  • Sillence syndrome: An extremely rare genetic disorder primarily involving digit abnormalities, scoliosis and club feet.
  • Simvastatin - Teratogenic Agent: There is evidence to indicate that exposure to Simvastatin 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.
  • Singh-Williams-McAlister, syndrome: A rare syndrome characterized mainly by the resorption of certain bones (ankles, knees and wrists). Swelling an pain also occur in the affected bones.
  • Situs inversus totalis with cystic dysplasia of kidneys and pancreas: A rare syndrome where the position of the internal organs of the chest and abdomen is transposed. In addition there are kidney and pancreatic abnormalities.
  • Sjogren's Syndrome: Autoimmune disease damaging the eye tear ducts and other glands.
  • Skeletal dysplasia - mental retardation: A rare recessively inherited disorder characterized mainly by mental retardation, a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities.
  • Sketetal dysplasia coarse facies mental retardation: A rare skeletal disorder where the spine and long bones grow and develop abnormally as well as mental deterioration.
  • Smith-Lemli-Opitz syndrome, type 2: A rare birth disorder where an enzyme deficiency (7-dehydrocholesterol reductase) prevents cholesterol being metabolized properly. The condition causes a variety of physical abnormalities. Type II is a more severe form of the condition.
  • Sole burning sensation: A burning sensation located at or around the sole region of the foot.
  • Sole paresthesia's/ tingling: A loss of sensation located at or around the sole region of the foot.
  • Soto's Syndrome: A rare hereditary disorder characterized by excessive growth during the first few years of life as well as various other mental and physical anomalies.
  • Spastic paraparesis: A rare disorder where parts of the body develop spasticity and weakness. Usually the limbs are involved. The disorder is usually an inherited condition.
  • Spastic paraplegia - neuropathy - poikiloderma: A very rare syndrome characterized mainly by progressive stiffness and weakness of the legs, peripheral nerve degeneration and a skin disorder called poikiloderma. The eyelashes and eyebrows are usually gone by the age of three.
  • Spastic paraplegia 14, autosomal recessive: A rare genetic disorder characterized mainly by lower leg spasticity and mild mental retardation.
  • Spastic paraplegia 16, X-linked: A rare condition characterized by spasticity and weakness of the arms and legs, mental retardation, impaired vision and poor bowel and bladder control. In most cases, sufferers never gain the ability to walk.
  • Spastic paraplegia 17: A rare syndrome characterized by progressive weakness and wasting mainly in the hands and feet.
  • Spastic paraplegia 23: A rare disorder characterized mainly by progressive stiffness and weakness of the leg muscles, premature graying, characteristic facial appearance and a skin pigmentation anomaly. Pigmentation anomalies usually start from the age of 6 months and leg problems may be noticed around the middle of the first decade.
  • Spastic paraplegia 26, autosomal recessive: A rare genetic disorder characterized mainly by progressive weakness of the lower legs. The condition also involves herniation of spinal discs.
  • Spastic paraplegia 3, autosomal dominant: A an early onset, very slow progressing form of spastic paraplegia which involves lower leg spasticity and weakness.
  • Spastic paraplegia 32, autosomal recessive: A rare syndrome characterized mainly by progressive stiffness and increased reflexes in the leg muscles.
  • Spastic paraplegia 4, autosomal dominant: A rare syndrome characterized mainly by progressive stiffness and increased reflexes in the leg muscles. The severity of the condition is very variable as is the age of onset.
  • Spastic paraplegia 6, autosomal dominant: A rare genetic disorder characterized by progressive leg spasticity and weakness.
  • Spastic paraplegia 7, autosomal recessive: A rare syndrome characterized mainly by progressive stiffness and increased reflexes in the leg muscles.
  • Spastic paraplegia 9, autosomal dominant: A rare disorder characterized by muscle wasting and weakness mainly in the legs, short stature, skeletal abnormalities and cataracts.
  • Spastic paraplegia epilepsy mental retardation: A very rare syndrome characterized mainly by epilepsy, mental retardation and progressive leg weakness and spasticity.
  • Spastic paraplegia type 5A, recessive: A rare disorder characterized mainly by progressive stiffness and weakness of lower leg muscles. Bladder and speech problems are also usually present.
  • Spastic paraplegia type 5B, recessive: An extremely rare form of lower leg spasticity and weakness.
  • Spastic paresis - glaucoma - mental retardation: A very rare syndrome characterized by progressive stiffness and weakness of the legs, glaucoma and mental retardation.
  • Spastic quadriplegia - retinitis pigmentosa - mental retardation: A very rare syndrome characterized mainly by progressive stiffness and weakness of the legs and arms, eye problems and mental retardation. The spastic paraplegia is not progressive.
  • Spasticity: When there are hypertonic movements of the muscles and they are stiff
  • Spasticity - multiple exostoses: A very rare syndrome characterized by stiff legs and numerous bone outgrowths.
  • Spina bifida: A congenital condition which is characterized by the abnormal closure of the vertebral arch
  • Spinal AVM: Spinal AVM's refers to a group of abnormal blood vessels (arteries and veins) in the spinal canal. The severity of symptoms depends on the size and growth of the blood vessel malformation. Severe complications such as paralysis can result if the malformed blood vessels rupture and bleed.
  • Spinal Cord Disorders: Any condition that affects the spinal cord
  • Spinal Muscular Atrophy: A rare condition characterized by progressive degeneration of the spinal and brainstem motor neurons. During fetal development excess primary neurons are formed. The body automatically destroys the extra primary neurons so that only some survive and mature into neurons. In spinal muscular dystrophy, the process that destroys the excess primary neurons doesn't switch off and continues destroying the neurons resulting in progressive motor problems. Various types of the condition range from mild to severe enough to cause death within a couple of years of birth.
  • Spinal Muscular Atrophy type III: Type of SMA, a genetic motor neuron disease affecting nerves and muscles.
  • Spinal bulbar motor neuropathy: A rare inherited disease that affects the nerves in the spine and in the bulbous (bulbar) part of the brain stem. The main signs are muscle weakness and wasting.
  • Spinal conditions: Any condition that affects the spine
  • Spinal cord neoplasm: A growth (tumor) that arises from the spinal cord. The tumor may be benign or malignant.
  • Spinal fracture: A fracture of one or multiple bony vertebrae
  • Spinal intradural 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. The type and severity of symptoms is determined by the size and location of the cyst.
  • Spinal muscular atrophy with respiratory distress 1: An inherited neuromuscular disease that causes progressive weakness in the arm and chest muscles leading to severe respiratory problems early in life. Sufferers are never able to sit independently and breathing problems progress rapidly with breathing assistance needed within the first five years.
  • Spinal muscular atrophy, Ryukyuan type: A recessively inherited disorder occurring in males from a Japanese inhabitants of Ryukyu Islands. The disorder is characterized by muscle wasting and weakness that affects the lower legs more than the arms.
  • Spinal muscular atrophy, scapuloperoneal: A recessively inherited disorder involving muscle wasting and weakness that occurs mainly in the shoulder and lower leg girdle muscles. It results from a loss of motor neurons in the spinal cord and brainstem.
  • Spinal muscular atrophy, type I, with congenital bone fractures: A group of inherited motor neuron diseases involving progressive muscle weakness and wasting due to degeneration of motor neurons in the spinal cord. Bone fractures also occur in newborn infants.
  • Spinal stenosis: Narrowing of the spinal cavity around the spinal cord.
  • Spinocerebellar ataxia - dysmorphism: A rare inherited syndrome characterized by ataxia and unusual facial appearance.
  • Spinocerebellar ataxia 18: A rare genetic disorder (chromosome 7q22-31 defect) characterized by muscle atrophy and sensory loss. The severity of symptoms is variable. Gait ataxia and dysarthria (speech disorder) also occur and are symptoms common to all the spinocerebellar ataxia types.
  • Spinocerebellar ataxia with axonal neuropathy, type 2: A neurological disorder characterized by progressive ataxia, tremor and muscle weakness and wasting. The rate of progression and severity is variable with some needing wheelchairs in their second decade and others still capable of some walking in their 4th decade.
  • Spinocerebellar ataxia, autosomal recessive 1: A neurological disorder characterized by progressive ataxia, tremor and muscle weakness and wasting. The rate of progression and severity is variable with some needing wheelchairs in their second decade and others still capable of some walking in their 4th decade.
  • Spinocerebellar ataxia, autosomal recessive 4: A rare neurological disorder caused by a genetic defect (chromosome 1p36, recessive) and resulting in ataxia and eye movement problems.
  • Spinocerebellar ataxia, autosomal recessive 6: A rare disorder that has neurological origins and causes nonprogressive ataxia, which begins during infancy.
  • Spinocerebellar ataxia-dysmorphism syndrome: A rare genetic disorder characterized by characteristic facial anomalies, ataxia, delayed psychomotor development and various skeletal deformities.
  • Spondylitis: Inflammation of the synovial joints of the backbone.
  • Spondylocarpotarsal synostosis: A rare genetic disorder characterized by short stature, fusion of toe and finger bones and failure of spinal segmentation.
  • Spondylocostal dysostosis, Dandy-Walker: A rare syndrome characterized mainly by rib and spine abnormalities as well as the Dandy-Walker anomaly (brain cyst).
  • Spondylocostal dysplasia dominant: A rare, dominantly inherited syndrome characterized mainly by rib and spine abnormalities.
  • Spondyloenchondrodysplasia: A rare genetic disorder where abnormal bone development resluts in symptoms such as flattened spine bones, short stature, large joints and other anomalies. The disorder is also characterized by the development of benign cartilage growths in bones which affects it's growth and strength.
  • Spondyloepimetaphyseal dysplasia congenita, Iraqi: A very rare syndrome characterized mainly by abnormal bone growth. Only a few cases have been reported.
  • Spondyloepimetaphyseal dysplasia joint laxity: A very rare syndrome characterized by abnormal bone growth involving severe scoliosis and loose joints.
  • Spondyloepimetaphyseal dysplasia with hypotrichosis: A rare skeletal disorder where the spine and long bones grow and develop abnormally as well as reduced hair.
  • Spondyloepimetaphyseal dysplasia with joint laxity: A rare skeletal disorder where the spine and long bones grow and develop abnormally. Loose joints and severe curvature of the spine is also present. The condition is severe and death in the first couple of decades is common.
  • Spondyloepimetaphyseal dysplasia, Missouri type: A rare skeletal disorder where the spine and long bones grow and develop abnormally. The Missouri type is characterized by bowed legs, short limbs and abnormal vertebral shape.
  • Spondyloepimetaphyseal dysplasia, hypotrichosis: An inherited bone growth disorder characterized by short stature, bone abnormalities and vision problems. An additional feature of this condition is the reduced amount of hair (hypotrichosis). The bone abnormalities are due to a genetic mutation that affects the development of bone and connective tissue.
  • Spondyloepiphyseal dysplasia tarda, Toledo type: A rare bone development disorder caused by a deficiency of chondroitin sulfate. The short stature tends to be moderate and an eye abnormality is also usually present.
  • Spondyloepiphyseal dysplasia tarda, autosomal dominant: A rare genetic disorder where abnormal bone development primarily involves the spine and epiphyses (end of long bones where growth occurs).
  • Spondylohypoplasia arthrogryposis popliteal pterygium: A very rare inherited syndrome characterized by webbing at the back of the knees, spinal defects and various other skeletal abnormalities.
  • Spondylohypoplasia, arthrogryposis and popliteal pterygium: A very rare inherited syndrome characterized by webbing at the back of the knees, spinal defects and various other skeletal abnormalities.
  • Spondylometaphyseal dysplasia - cone-rod dystrophy: A rare syndrome characterized by skeletal abnormalities (spine and metaphyses) and an eye disorder. Vision impairment starts early in life and tends to progress but often stabilizes during adolescence.
  • Spondylometaphyseal dysplasia with bowed forearms and facial dysmorphism: A rare skeletal disorder involving abnormal bone development. The condition is characterized by bowed forearms, abnormal facial appearance, spinal abnormalities and short limbs.
  • Spondylometaphyseal dysplasia with dentinogenesis imperfecta: A rare skeletal disorder involving abnormal bone development. The condition is characterized by abnormal growth of long bones, loose joints and tooth enamel abnormalities. The shortness in the arms and legs occurs mainly in the middle bones such as the forearm and lower leg bones.
  • Spondylometaphyseal dysplasia, Algerian type: A severe, dominantly inherited skeletal disorder involving abnormal bone development. The condition is characterized by knock knees, curved spine, short stature and abnormal growth of long bones.
  • Spondylometaphyseal dysplasia, axial: A rare skeletal disorder involving abnormal bone development. The condition is characterized by flattened vertebrae, small rib cage, abnormal ribs and other bone abnormalities.
  • Spondylometaphyseal dysplasia, east-African type: A rare, early-onset skeletal disorder involving abnormal bone development. The spine is mildly affected and the hands are spared but the growing ends of long bones are deformed (bracket-shaped) which affects bone growth.
  • Spondylosis: Spinal degeneration of the discs or spinal joints
  • Sports Injuries: Any condition that has resulted from injury to a part of the body due to participation in a sporting activity
  • Sprain: an injury which occurs to ligaments caused by a sudden overstretching.
  • St. Anthony's fire: Very painful burning sensation in the arms and legs caused by excessive exposure to ergotamines. Ergotamines are produced by particular fungi. It is also a drug used for such things as migraine controls and to induce abortions. Ergotamines result in the constriction of blood vessels which can result in tissue death (gangrene) and is also toxic to nerves.
  • Stickler Syndrome: A rare genetic disorder characterized by joint problems, distinctive facial characteristics and eye and ear abnormalities.
  • Stickler Syndrome, type I: A rare genetic disorder characterized by joint problems, distinctive facial characteristics and eye and ear abnormalities. Type 1 is caused by a genetic defect on chromosome 12q13.11-q13.2
  • Stickler Syndrome, type II: A rare genetic disorder characterized by joint problems, distinctive facial characteristics and eye and ear abnormalities. Type 2 is caused by a genetic defect on chromosome 1p21
  • Stickler Syndrome, type III: A rare genetic disorder characterized by joint problems, distinctive facial characteristics and ear abnormalities. Type 3 is caused by a genetic defect on chromosome 6q21.3. Type 3 doesn't involve any of the eye problems that occur in type 1 and 2.
  • Stiff knee: Stiffness of the knee joint
  • Stiff leg: Reduced mobility or movement of the leg
  • Stiff thigh: Stiffness of the thigh area
  • Stiff-Person Syndrome: A very rare progressive neurological disorder involving muscle tightness and painful muscle spasms.
  • Stoll-Levy-Fancfort syndrome: A rare syndrome characterized mainly by deafness, missing fingers, abnormal heart rhythm and missing bones in limbs.
  • Streptomycin - Teratogenic Agent: There is evidence to indicate that exposure to Streptomycin 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.
  • Stroke symptoms: Brain-related symptoms of bleeding or blockage.
  • Strudwick syndrome: An inherited bone growth disorder characterized by short stature, bone abnormalities and vision problems. The bone abnormalities are due to a genetic mutation that affects the development of bone and connective tissue.
  • Subacute combined degeneration of the spinal cord: Gradual spinal cord degeneration
  • Subpulmonary stenosis: A narrowing in the artery that allows blood to flow from the right heart ventricle to the lungs in order to be oxygenated. Severity of symptoms is determined by the degree of narrowing.
  • Sulfasalazine - Teratogenic Agent: There is evidence to indicate that exposure to Sulfasalazine 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.
  • Sulphasalazine - Teratogenic Agent: There is evidence to indicate that exposure to Sulphasalazine 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.
  • Sumatriptan - Teratogenic Agent: There is evidence to indicate that exposure to Sumatriptan 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.
  • Summitt syndrome: A very rare genetic disorder abnormalities of the head, hands and feet as well as obesity.
  • Superficial siderosis of the central nervous system: A rare disorder where hemosiderin (free iron) is deposited in parts of the central nervous system (brain and spinal cord tissue). It is often caused by repeated periods of bleeding in the brain (subarachnoid space).
  • Swollen bone: Enlarged, swollen, or misshapen bones
  • Syndactyly: Fusion of the fingers in the hand.
  • Syndactyly - preaxial polydactyly - sternal deformity: A rare disorder characterized by extra fingers and toes, fusion of fingers and toes and anomalies involving the abdominal and chest wall.
  • Syndactyly, type 2: A birth defect involving webbing between the 3rd and 4th fingers as well as duplication of all or some of the fourth digit within the webbed tissue. The foot may also be involved with webbing between the 4th and 5th toe with an extra 5th toe in the webbed tissue.
  • Synostosis of talus and calcaneus - short stature: A rare inherited disorder characterized by short stature and fusion of the ankle (talus) bone and the heel bone (calcaneus).
  • Syphilis: A sexually transmitted disease caused by a bacteria (Treponema pallidum). The condition is often asymptomatic in the early stages but one or more sores may be present in the early stages. Untreated syphilis usually results in remission of visible symptoms but further severe damage may occur to internal organs and other body tissues which can result in death.
  • Syringomyelia: Spinal cord cysts
  • Syringomyelia, lumbar lesion: A slowly-progressing neurological disorder characterized by a fluid-filled cavity in the spinal cord in the region between the lower ribs and pelvis.
  • TAR syndrome: A rare genetic disorder characterized by the absence of radial bones of both forearms and thrombocytopenia.
  • TAU syndrome: A very rare syndrome characterized mainly by reduced blood platelet level and absent ulna bone (forearm bone).
  • Talo-patello-scaphoid osteolysis, synovitis, and short fourth metacarpals: A rare condition characterized mainly by the loss of bone in the knee, ankle and wrist joints.
  • Talonavicular coalition: An uncommon congenital anomaly where the bones of the talonavicular joint are fused together. Often the condition is detected incidentally and is often asymptomatic.
  • Tang Hsi Ryu syndrome: A rare syndrome characterized by enlarged liver and spleen, increased pigmentation and abnormal peripheral nerve functioning.
  • Tarsal carpal coalition syndrome: A very rare syndrome characterized mainly by fused ankle and wrist bones.
  • Tarsal tunnel syndrome: A pinched nerve in the lower ankle area (posterior tibial nerve) which results in foot pain.
  • Teeth noneruption of with maxillary hypoplasia and genu valgum: A very rare disorder involving abnormal jaw development and unerupted permanent teeth.
  • Tel-Hashomer camptodactyly syndrome: A very rare syndrome characterized mainly by finger flexion, facial anomalies, short stature and muscle problems.
  • Terpin hydrate - Teratogenic Agent: There is evidence to indicate that exposure to Terpin hydrate 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.
  • Tetany: Involuntary cramps of the muscles caused by low blood calcium levels.
  • Tethered Spinal Cord Syndrome: Spinal cord condition from abnormally stretched spinal cord.
  • Tetracycline - Teratogenic Agent: There is evidence to indicate that exposure to Tetracycline 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.
  • Tetraploidy: A very rare chromosomal disorder which results in various abnormalities. Infants are usually stillborn or die within months of birth.
  • Thalassemia: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called ? and ?. There are two subtypes of the disorder (? and ?) depending on what portion of the hemoglobin is abnormally synthesized. Each of these subtypes can be further classified depending on the number of thalassemia genes involved. A total of four genes is needed to make each ? protein chains and two genes are needed to make each ? chain. The main symptom is anemia, the severity of which can vary amongst patients depending on how many defective genes are involved.
  • Thick nails: hardening of the nail plate
  • Thickened nails: A condition which is characterized by thickened nails
  • Thigh Burning Sensation: A burning sensation located on the thigh
  • Thigh Coldness: Cold sensation occurring on or around the thighs.
  • Thigh Itch: Itchy sensation occurring on or around the thighs.
  • Thigh Paralysis: Loss of control of the thigh muscles
  • Thigh Spasm: Involuntary muscle movements in the thigh.
  • Thigh Weakness: Weakness of the muscles in and around the thigh.
  • Thigh bruise: Bruise occurring on or around the thigh.
  • Thigh conditions: Any condition that affects the thigh
  • Thigh injury: Any injury to the thigh
  • Thigh lump: Lump in or around the thigh.
  • Thigh pain: A condition which is characterized by pain which is located in the thigh
  • Thigh paresthesias: Burning, tingling, numbness or sensations of the thigh
  • Thigh rash: Rash occurring on or around the thighs.
  • Thigh swelling: Swelling occurring on the thigh.
  • Thigh symptoms: Symptoms affecting the thigh of the leg
  • Thiopropazate - Teratogenic Agent: There is evidence to indicate that exposure to Thiopropazate 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.
  • Thoracolimb dysplasia, Rivera type: A very rare syndrome characterized mainly by chest and limb abnormalities.
  • Thyroid disorders: Any disorder of the thyroid gland.
  • Tibia absent - polydactyly - arachnoid cyst: A very rare syndrome characterized mainly by extra fingers, an absent shinbone and a brain cyst.
  • Tick paralysis: Paralysis from Australian tick bites
  • Tingling in Both Feet: Abnormal sensation of tingling ("pins and needles") occurring in both feet
  • Tingling in one foot: Abnormal sensation of tingling ("pins and needles") occurring in one foot
  • Tingling thigh: Tingling, pins-and-needles, or abnormal sensations of the thigh
  • Tingling toe: Tingling or pins-and-needles in the toes
  • Tizzard syndrome: A syndrome characterized by large, short hands and feet and small corneas.
  • Todd paralysis: Paralysis of an arm or leg on one side of the body that occurs after an epileptic attack. The paralysis can last from minutes to days.
  • Toe burning sensation: A burning sensation located on the toe
  • Toe coldness: A cold sensation occurring on the toe.
  • Toe lump: A palpable lesion located anatomically on the toe.
  • Toe numbness: Loss of feeling or sensation
  • Toe pain: Pain affecting one or more toes
  • Toe paresthesia: Toe tingling, prickling, numbness or burning sensations
  • Toe rash: An eruption on the skin of the toe.
  • Toe swelling: A swelling located on the toe.
  • Toe symptoms: Symptoms affecting the toes
  • Toe weakness: A decrease in the usual strength of the movements of the toe or toes.
  • Toenail Rash: Rash occurring on the toenail.
  • Toenail bruise: A haematoma that occurs on the toenail
  • Toenail pain: Pain affecting a toenail
  • Toenail symptoms: Symptoms of the nails on the toes
  • Tolbutamide - Teratogenic Agent: There is evidence to indicate that exposure to Tolbutamide 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.
  • Tollner-Horst-Manzke syndrome: A very rare syndrome characterized by extra fingers, cleft lip, cleft palate and abdominal organ anomalies.
  • Tooth and nail syndrome: A genetic condition which affects the teeth and nails
  • Touraine-Solente-Golé syndrome: A skin and bone condition characterized abnormal skin, finger clubbing and limb swelling.
  • Tourette Syndrome: A neurological disorder involving vocal and movement tics where where uncontrollable movements or verbal utterances are made.
  • Townes-Brocks Syndrome: A rare condition characterized by anal, hand, foot and ear abnormalities.
  • Transient ischemic attack: temporary disturbance of blood supply to a restricted area of the brain, resulting in brief neurologic dysfunction that persists, by definition, for less than 24 hours.
  • Transverse myelitis: Inflammation of the spinal cord which results in various neurological and muscle symptoms. The inflammation can occur for no obvious reason or may result from a virus, bacterial infection, autoimmune disease or vaccination. The type and severity of symptoms is determined by the location and degree of inflammation.
  • Triaminic - Teratogenic Agent: There is evidence to indicate that exposure to Triaminic 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.
  • Trichlormethiazide - Teratogenic Agent: There is evidence to indicate that exposure to Trichlormethiazide 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.
  • Trigonocephaly - bifid nose - acral anomalies: A rare syndrome characterized mainly by a prominent triangular shaped forehead, short head, bulbous nose, small jaw, large mouth, poor muscle tone and foot abnormalities.
  • Trigonocephaly - broad thumbs: A rare syndrome characterized mainly by broad thumbs and a prominent triangular shaped forehead.
  • Trimethadione - Teratogenic Agent: There is evidence to indicate that exposure to Trimethadione 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.
  • Triploid syndrome: A complete extra set of chromosomes.
  • Trisomy 13 mosaicism: A very rare chromosomal disorder where there is an extra copy of chromosome 13 in some of the body's cells. Some cases with this chromosomal abnormality have no clinical symptoms. The presence of abnormalities in some cases is dependent on which body cells contain the chromosomal defect. There appears to be a direct correlation between the number of cells in the body containing the chromosomal defect and severity of symptoms and survival.
  • Trisomy 18 Syndrome: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Edwards syndrome is more severe than the more common Down syndrome. Edwards syndrome causes mental retardation and numerous physical defects that often cause an early infant death. The condition has variable severity depending on how many of the body's cells have the extra chromosome and how much of the extra chromosome is duplicated. In severe forms all cells have an extra copy of the complete chromosome 18 whereas milder forms may have only some cells having the extra chromosome. Other mild forms may have an extra copy of only part of chromosome 18 in some or all of the body cells.
  • Trisomy 18 mosaicism: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18 in only some of the body's cells. It is a less severe form of Edwards syndrome - the most severe form involves and extra copy of chromosome 18 in all of the body's cells. The severity of the condition is highly variable depending on how many of the body's cells are involved.
  • Trisomy 19 mosaicism: A very rare chromosomal disorder where there is an extra copy of chromosome 19 in some of the body's cells. Some cases with this chromosomal abnormality have no clinical symptoms. The presence of abnormalities in some cases is dependent on which body cells contain the chromosomal defect.
  • Trisomy 21 mosaicism: A very rare chromosomal disorder where there is an extra copy of chromosome 1 in some of the body's cells. The presence of trisomy 20 in all cells causes Down's syndrome and thus the presence in fewer body cells results in conditions that are similar to Down's but tend to be milder.
  • Trisomy 22 mosaicism: A very rare chromosomal disorder where there is an extra copy of chromosome 22 in some of the body's cells. Some cases with this chromosomal abnormality have no clinical symptoms. The presence of abnormalities in some cases is dependent on which body cells contain the chromosomal defect.
  • Trisomy 6: A rare chromosomal disorder involving the duplication of chromosome 6 which results in variable symptoms including mental retardation, retarded growth, facial anomalies and various other abnormalities. Full Trisomy 6 is results in spontaneous abortion whereas various degrees of Trisomy 6q can result in syndromes of variable severity depending on the size of the duplication.
  • Trochlear dysplasia: An unstable kneecap due to abnormal development of the kneecap.
  • Troell-Junet syndrome: A disorder involving enlarged extremities, diabetes, skull abnormalities and excessive thyroid hormone production.
  • Tropical Spastic Paraparesis: A form of spastic partial paralysis of the lower limbs which occurs in the tropics
  • Truncus Arteriosus: A rare congenital heart vessel abnormality where the heart has only one artery coming out of it which forms the aorta and pulmonary artery and delivers blood to the body and the lungs. Normally the blood flow to the body and the lungs is carried out through separate blood vessels.
  • Tucker syndrome: A rare syndrome characterized by vocal cord paralysis and droopy eyelids.
  • Tumoral calcinosis: A rare disorder characterized by calcified nodules in soft tissue around joints. Abnormal mineral metabolism results in calcium being deposited in the soft tissue. The nodules may become progressively larger and can cause pain.
  • Turner Syndrome: Rare chromosome syndrome with one X but no second X or Y chromosome.
  • Ulna hypoplasia with mental retardation: A condition which is characterised by short upper limbs, club feet, and absence of fingernails.
  • Ulnar hypoplasia with mental retardation: A condition which is characterised by short upper limbs, club feet, and absence of fingernails
  • Unilateral oedema of the lower extremity: Unilateral swelling of the lower extremity caused by the abnormal accumulation of tluid
  • Unusual facies, digital anomalies, and supernumerary teeth: A rare, dominantly inherited syndrome characterized mainly by an unusual face, extra teeth and anomalies of the fingers and toes.
  • Urophathy distal obstructive polydactyly: A rare syndrome characterized by extra digits and an obstructive urinary system disorder.
  • VACTERL with hydrocephalus, X-linked: A rare X-linked syndrome characterized by the VACTERL abnormalities (vertebral anomalies, anal atresia, congenital cardiac disease, tracheoesophageal fistula, renal anomalies, radial dysplasia, limb defects) as well as a buildup of fluid inside the skull (hydrocephalus).
  • Valproic Acid - Teratogenic Agent: There is evidence to indicate that exposure to Valproic 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.
  • Valproic acid antenatal infection: A condition which usually occurs in a fetus due to the mother taking valproic acid for epileptic seizures
  • Van Goethem syndrome: A syndrome which is characterised by multiple birth defects.
  • Vancomycin resistant enterococcal bacteremia: A condition which is characterised by bacteremia caused by an enterococci that is resistant to vancomycin.
  • Vaquez disease: An uncommon chronic blood disease involving an increased red blood cell count.
  • Varicella virus antenatal infection: The infection of a mother with the varicella virus whilst she is pregnant
  • Varicose veins: Appearance of veins in the skin
  • Velocardiofacial syndrome: A genetic disorder which can present with a wide range of phenotypic manifestations which has lead to a number of different names being assigned to the various presentations e.g. DiGeorge Syndrome and Cayler Anomaly Face Syndrome. There are nearly 200 different symptoms that can occur and the severity of the condition is also highly variable depending on the nature and severity of the symptoms that are present.
  • Venencie Powell Winkelmann syndrome: A congenital condition that is characterised by the occurrence of a number of clinical signs and symptoms
  • Vertebral body fusion overgrowth: A condition that is characterised by increased keratinization of the skin with a x-linked genetic trait
  • Vinblastine - Teratogenic Agent: There is evidence to indicate that exposure to Vinblastine 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.
  • Vincristine - Teratogenic Agent: There is evidence to indicate that exposure to Vincristine during pregnancy and even the during the year leading up to the 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.
  • Vitamin B6 - adverse effects: Regular use of large doses of vitamin B6 supplements can cause adverse effects.
  • Vitiligo: A condition which is characterized by chronic pigmentary changes to the skin seen by white patches
  • Vitiligo mental retardation facial dysmorphism uremia: A condition that is characterised by a number of symptoms including mental retardation, facial dysmorphism and uremia
  • Vohwinkel syndrome: A rare condition where tight bands of thickened skin form around the base of fingers and toes and generally leads to self-amputation of the digit. Hearing loss is also associated with the condition.
  • Walbaum Titran Durieux Crepin syndrome: A syndrome characterised by multiple abnormalities
  • Wallerian degeneration: A syndrome that is characterised by the degeneration of the peripheral nerve axon distal to its site of transection in the central nervous system
  • Weaver Syndrome: A syndrome that is considered a variant of the Marshall-Smith syndrome
  • Weaver like syndrome: A rare genetic syndrome characterized by a large mouth, unusual facial features, skeletal anomalies and other abnormalities. The disorder is similar to another genetic disorder called Weaver syndrome but tends to involve endocrinologic abnormalities as well.
  • Wegmann Jones Smith syndrome: A syndrome which is characterised by the occurrence of short limbs, oedema and iris coloboma
  • Weismann-Netter-Stuhl Syndrome: A very rare inherited disorder characterized by bone development abnormalities.
  • Werner syndrome: A form of premature aging where sufferers start aging during adolescence or soon after and appear old by the time they reach their 30's or 40's. Milder forms of the condition may also occur.
  • White nails: White or pale nails.
  • Wiedemann Oldigs Oppermann syndrome: A rare syndrome characterized mainly by excessive hair growth, mental retardation and skeletal abnormalities.
  • X-linked mental retardation - hypotonia: A very rare inherited disorder characterized primarily by mental retardation. Initial symptoms of muscle weakness gives way to spasticity and contractures.
  • X-linked mental retardation craniofacial abnormal microcepahly club: An x-linked condition that is characterised by mental retardation and dysmorphic facies
  • X-linked mental retardation craniofacial abnormal microcephaly club: A rare inherited disorder characterized by mental retardation, small head, club foot and facial and skull abnormalities. The condition is inherited in a X-linked manner and thus only males present with the full severity of the symptoms. Female carriers may be mildly symptomatic or have no symptoms at all.
  • Yaws: A rare infections disease caused by the spiral-shaped bacteria Treponema pertenue. The disease consists of three phases: skin lesions are followed by bone, joint and widespread skin symptoms and finally by inflammation and destruction of cartilage in the nose, pharynx and palate. Transmission can be through direct contact with infected skin, insect bites or sex.
  • Yellow Fever Vaccine - Teratogenic Agent: There is evidence to indicate that exposure to Yellow Fever Vaccine during pregnancy or within ten days of conception, 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.
  • Yellow nail syndrome: A rare nail condition characterized by thickened yellow nails as well as swelling of parts of the body due to lymphatic drainage problems resulting from blocked or damaged lymphatic system.
  • Yersiniosis: A condition which is characterized by infectious diarrhea, enteritis, ileitis and occasionally septicaemia
  • Young Simpson syndrome: A condition that is characterised by mainly mental retardation and physical signs of hypothyroidism
  • Zellweger Syndrome: Zellweger spectrum disorders are a group of rare, genetic, multisystem disorders that were once thought to be separate entities. These disorders are now classified as different expressions (variants) of one disease process. Collectively, they form a spectrum or continuum of disease. Zellweger syndrome is the most severe form; neonatal adrenoleukodystrophy is the intermediate form; and infantile Refsum disease is the mildest form.
  • Zidovudine - Teratogenic Agent: There is evidence to indicate that exposure to Zidovudine 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.
  • Zimmerman-Laband syndrome: A rare inherited condition characterized by fibrosis of the gums and ear, nose, nail and finger abnormalities.
  • Zuclopenthixol - Teratogenic Agent: There is evidence to indicate that exposure to Zuclopenthixol 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.
  • Zunich-Kaye syndrome: A very rare genetic syndrome characterized by a range of symptoms such as colobomas of the eye, heart defects, ichthyosiform dermatosis, mental retardation and ear defects.

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