Fatigue information from trusted sources:
Fatigue
Fatigue is a common health complaint. It is, however, one of the hardest terms to define, and a symptom of many different conditions. Fatigue, also known as weariness, tiredness, exhaustion, or lethargy, is generally defined as a feeling of lack of energy. Fatigue is not the same as drowsiness, but the desire to sleep may accompany fatigue. Apathy is a feeling of indifference that may accompany fatigue or exist independently.
Fatigue
Fatigue is a feeling of weariness, tiredness, or lack of energy.
Chronic Fatigue Syndrome
Chronic fatigue syndrome (CFS) is a complicated disorder characterized by extreme fatigue that may worsen with physical or mental activity, but doesn't improve with rest. Although there are many theories about what causes this condition ranging from viral infections to psychological stress in most cases the cause is still unknown.
Chronic Fatigue Syndrome
Chronic fatigue syndrome (CFS) causes long-term tiredness (fatigue) that affects everyday life. It does not go away with sleep or rest.
Chronic Fatigue Syndrome
Chronic fatigue syndrome is a complex condition characterized by extreme, long-lasting exhaustion. This disorder affects many different body systems, and is often disabling. The main symptom of chronic fatigue syndrome (CFS) is tiredness that does not improve with rest and prevents you from carrying out normal daily activities. The term chronic fatigue syndrome was adopted in 1988, when researchers considered fatigue to be the major symptom. Today, physicians and patient groups often refer to this disorder as chronic fatigue and immune-dysfunction syndrome (CFIDS) to stress that it involves many other symptoms. Symptoms vary among patients, and can even change in the same person over time. Another name for CFS is myalgic encephalomyelitis.
Chronic Fatigue Syndrome
The Epstein-Barr virus (EBV) discovered in 1964, is believed to be the causative agent in infectious mononucleosis. In South African children, it is associated with Burkitt's lymphoma, and in Asian populations with nasopharyngeal carcinoma. Why the virus has these different and varied associations in different geographical areas is unknown. Also it is the cause of chronic fatigue syndrome, a condition that has become widespread in the United States. EBV is a member of the herpes family and is related to the viruses that cause genital herpes and shingles.
Fatigue and Weakness: Causes and Related Conditions
Jan 13, 2009 ... Weakness and fatigue are terms that are often used as if they mean the same thing, but in fact they describe two different sensations.
Fatigue (medical) - Wikipedia, the free encyclopedia
Fatigue (also called exhaustion, lethargy, languidness, languor, lassitude, and listlessness) is a state of awareness describing a range of afflictions, ...
CDC - Chronic Fatigue Syndrome (CFS)
Oct 15, 2010 ... Offers information on diagnosis, treatment, support groups, and research publications. A U.S. Centers for Disease Control and Prevention ...
Fatigue definition - Sleep Disorders Including, Sleep Apnea ...
Mar 10, 2011 ... Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a ...