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Chronic Fatigue Syndrome

Chronic fatigue syndrome means that you feel so tired that you can no longer do your normal daily activities. There are other symptoms too, but being very tired for at least 6 months is the main one. Many people improve in a year or two. Some people continue to have severe fatigue and other symptoms for many years.

By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Nancy Greenwald, MD - Physical Medicine and Rehabilitation
Last Revised January 18, 2013

WebMD Medical Reference from Healthwise

Last Updated: January 18, 2013
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