Chronic Fatigue Syndrome (CFS or SEID) Center

Chronic fatigue syndrome (CFS) or systemic exertion intolerance disease (SEID) is a debilitating and complex disorder characterized by profound fatigue that lasts six months or longer, is not improved by bed rest, and may be worsened by physical or mental activity. Read more: Chronic Fatigue Syndrome (CFS or SEID) Article

IMAGES

Chronic Fatigue Syndrome (CFS or SEID) See a medical illustration of fibromyalgia trigger points plus our entire medical gallery of human anatomy and physiology See Images

Treatment & Diagnosis

Medications & Supplements

Prevention & Wellness

Medically Reviewed by a Doctor on 12/5/2017

Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.