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-Chronic Fatigue Symptoms
--By Mayo Clinic Staff

-Chronic fatigue syndrome has eight official signs and symptoms, plus the central symptom that gives the condition its name:

**Fatigue
**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.