Chronic Fatigue Syndrome

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The diagnosis of chronic fatigue syndrome means that the sufferer has experienced fatigue for at least six months in the absence of known medical causes as well as had other characteristic symptoms. These include significant impairment in short-term memory, poor concentration, tender lymph nodes, sore throat, muscle pain, joint pain without swelling or redness, non-refreshing sleep, malaise lasting more than 24 hours after exertion, and headaches of a new type, pattern or severity. Other signs and symptoms may also be present, like mild fever, earache, diarrhea, or double vision. Dizziness, balance problems, fainting, food sensitivities, night sweats, chills, vision disturbances, mood changes, and depression have also been reported. The symptoms can be generalized and may occur due to many different causes; therefore, the diagnosis of chronic fatigue syndrome relies upon excluding other medical causes of the symptoms.

Medically Reviewed by a Doctor on 4/28/2014

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REFERENCE:

Longo, Dan, et al. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill Professional, 2011.

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