Chronic fatigue syndrome is exactly what its name implies, namely an overwhelming sense of fatigue. Symptoms may represent several ongoing disorders which begin abruptly, tend to come and go, and may last for 6 months. Because there are no specific laboratory tests, diagnosis is made by the presence of chronic fatigue that does not resolve. The clinical disorder is defined by fatigue severe enough to decrease daily activity by at least 50% for at least 6 months. In order to have this condition, it is necessary to eliminate all other clinical conditions, including possible psychiatric problems.
Causes of Chronic Fatigue Syndrome
The etiology of chronic fatigue syndrome is unknown. It may be an the result of an immunological abnormalities or infectious agent.
Signs and Symptoms of Chronic Fatigue Syndrome
The symptoms of chronic fatigue syndrome are quite variable. They include sleep disturbances, that may produce increased sleep or insomnia. There are often problems with neuropsychological function, such as sensitivity to light, forgetfulness, irritability, depression, vision changes, confusion, and difficulty concentrating. Fatigue may be quite severe. It may be seen in conjunction with generalized muscle weakness, muscle aches, headaches and joint pain. Sometimes there is mild fever, sore throat and painful lumps in the neck, armpit or groin.
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Medical Content Last Updated on 07/12/2008
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