Glossary for Lack of energy

Medical terms related to Lack of energy or mentioned in this section include:

• 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.
• Acyl-CoA dehydrogenase, short chain, deficiency of: A rare disorder where the body lacks enzymes needed to convert some fats (short-chain fatty acids) into energy. Symptoms are exacerbated by fasting or acute illness. The severity of symptoms is variable with some patients remaining virtually asymptomatic their whole life while other suffer symptoms from infancy.
• Alcohol abuse: Excessive alcohol as a symptom of other conditions
• Asthenia: Weakness, lack of energy or strength.
• Bipolar disorder: Cycles of mania and depression; commonly called "manic-depression".
• COPD: Severe obstruction of bronchial air flow typically from bronchitis and/or emphysema.
• Chronic fatigue syndrome: A persistent debilitating fatigue of recent onset
• Cocaine abuse: Stimulant drug with various effects
• Common symptoms: The most common symptoms
• Congestive cardiac failure: A condition characterized by breathlessness and abnormal sodium and water retention.
• Depressive disorders: Depression or its various related conditions.
• Depressive symptoms: Inappropriate depressed mood.
• Diabetes-like symptoms: Symptoms similar to those of diabetes
• Drowsiness: Excessive tiredness or sleepiness
• Drug abuse: Drug use as a symptom of other conditions
• Drug-related insomnia: Drug related insomnia is sleeplessness that is attributable to the excessive usage of medications.
• Dysthymia: Chronic depression usually associated with elderly people suffering stress from a variety of causes.
• Fatigue: Excessive tiredness or weakness.
• Gelineau's syndrome: A neurological disorder sudden uncontrollable urge to sleep, sleep paralysis and other symptoms.
• HIV/AIDS: HIV is a sexually transmitted virus and AIDS is the progressive immune failure that HIV causes.
• Hemochromatosis: Excess of iron leading to problems with joints, liver, heart and pancreas.
• Hemochromatosis type 1: A genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. Type 1 is the most common form of the disorder, has an adult onset and is inherited recessively.
• Hemochromatosis type 2: A rare genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. Type 2 is a more severe type, has a juvenile onset and is inherited recessively.
• Hemochromatosis type 3: A rare genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. Type 3 has an onset that is between type 1 and type 2 and is inherited recessively.
• Hemochromatosis type 4: A rare genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. Type 4 has an adult onset but is inherited dominantly.
• Hereditary Hemochromatosis: A genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. There are 4 types of hemochromatosis and they are distinguished by age of onset, genetic cause and type of inheritance. Some sufferers may be asymptomatic.
• Hypothyroidism: The decreased activity of the thyroid gland
• Insomnia: feeling of melancholy
• Kleine-Levin Syndrome: A rare disorders marked by episodes of enormous eating and sleeping with increased dependence or aggressiveness. In between, episodes, the person is generally normal.
• Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency: A rare inherited genetic condition where the body is unable to convert certain fats to energy i.e. there is not enough of a certain enzyme (3-hydroxyacyl-coenzyme A dehydrogenase) which is needed to metabolize a type of fat called long-chain fatty acids. The build-up of these fatty acids in the body causes damage.
• Low haemoglobin: Decreased concentration of haemoglobin in the blood.
• Lupus: Autoimmune disease with numerous effects on various organs and linings.
• Medium-Chain Acyl-CoA Dehydrogenase Deficiency: A rare disorder where the body lacks enzymes needed to convert some fats (medium-chain fatty acids) into energy and hence these fats build up in the body and cause damage.
• 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.
• Methylmalonic aciduria - homocystinuria: A rare group of disorders characterized by methylmalonic aciduria and homocystinuria resulting from abnormal metabolism of vitamin B12 by the liver. There are various subtypes of the condition with varying ages of onset and severity of symptoms.
• Methylmalonicaciduria with homocystinuria, cobalamin F: An inherited organic acid disorder where an enzyme deficiency (cbl F) 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.
• Mitochondrial trifunctional protein deficiency: A rare genetic condition where the body is unable to convert certain fats to energy. More specifically, there is insufficient levels of a particular enzyme needed to metabolize a type of fat called long-chain fatty acids.
• Muscle symptoms: Symptoms affecting the muscles of the body
• Muscle weakness: Weakness of the muscles or loss of tone
• Obesity: Excessive body weight especially fat.
• 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.
• Premenstrual dysphoric disorder: Premenstrual dysphoric disorder is a diagnosis used to indicate serious premenstrual distress with associated deterioration in functioning.
• Pseudohypoparathyroidism: An inherited disorder where the body is unable to respond to the parathyroid hormone even though there are normal levels of it. Impaired bone growth is the main feature of this disorder.
• Renal failure: A condition characterized by a failure of the kidney to excrete toxic metabolites from the body
• Shift work sleep disorder: Shift work sleep disorder is a circadian rhythm sleep disorder which affects people who change their work or sleep schedules frequently or work longterm on other than the day shift.
• Short Chain Acyl CoA Dehydrogenase Deficiency (SCAD): A rare disorder where the body lacks enzymes needed to convert some fats (short-chain fatty acids) into energy. Symptoms are exacerbated by fasting or acute illness. The severity of symptoms is variable with some patients remaining virtually asymptomatic their whole life while other suffer symptoms from infancy.
• Short-Chain Acyl-CoA Dehydrogenase Deficiency: A rare disorder where the body lacks enzymes needed to convert some fats (short-chain fatty acids) into energy.
• Sick: Feeling ill or off color
• Sleep apnea: A condition which is characterized by transient attacks of apnea that usually occur during ones sleep
• Tiredness: Feeling tired either physically or mentally
• Viral diseases: Any disease that is caused by a virus
• Weakness: Symptoms causing weakness of the body

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