A diagnosis of chronic fatigue syndrome (also called immune dysfunction syndrome (CFIDS), myalgic encephalomyelitis ) is made if these two criteria are met:
- New onset fatigue not alleviated by rest, not due to exertion, and results in reduced level of functioning during occupational, educational, social, or personal activities
- Four or more of the following symptoms are present for six months or more:
- Impaired memory or concentration
- Prolonged exhaustion and sickness after activity
- Unrefreshing sleep and muscle aches and pain
- joint pain, headaches, soar throat and or cervical lymph node swelling.
Reference:
Fukuda et al, Annals of Internal Medicine, Vol. 121, December 15, 1994, pp. 953-959.
AHRQ Evidence Report on Defining and Managing Chronic Fatigue Syndrome
Visit: http://www.cfids.org/
Keiji Fukuda, M.D., M.P.H., Stephen E. Straus, M.D., Ian Hickie, M.D., F.R.A.N.Z.C.P., Michael C. Sharpe, M.R.C.P., M.R.C. Psych., James G. Dobbins, Ph.D., Anthony L. Komaroff, M.D., F.A.C.P. and the International Chronic Fatigue Syndrome Study Group
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