Chronic fatigue syndrome has eight official signs and symptoms, plus the central symptom that gives the condition its name:
- Loss of memory or concentration
- Sore throat
- Enlarged lymph nodes in your neck or armpits
- Unexplained muscle pain
- Pain that moves from one joint to another without swelling or redness
- Headache of a new type, pattern or severity
- Unrefreshing sleep
- Extreme exhaustion lasting more than 24 hours after physical or mental exercise
When to see a doctor
Fatigue can be a symptom of many illnesses, such as infections or psychological disorders. In general, see your doctor if you have persistent or excessive fatigue.
Aug. 30, 2016
- Chronic fatigue syndrome (CFS). Centers for Disease Control and Prevention. http://www.cdc.gov/cfs/. Accessed March 30, 2014.
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- Gluckman SJ. Clinical features and diagnosis of chronic fatigue syndrome. http://www.uptodate.com/home. Accessed March 30, 2014.
- Chronic fatigue syndrome/myalgic encephalomyelitis. Chicago, Ill.: International Association for Chronic Fatigue Syndrome/Myalgic Encephalomyelitis. http://www.iacfsme.org/Portals/0/PDF/PrimerFinal3.pdf. Accessed March 31, 2014.
- Smith MEB, et al. Treatment of myalgic encephalomyelitis/chronic fatigue syndrome: A systematic review for a National Institutes of Health Pathways to Prevention workshop. Annals of Internal Medicine. 2015;162:841.
- Fleming KC (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 22, 2016.