Diagnosing Chronic Fatigue Syndrome
Chronic fatigue syndrome has straight forward diagnosis criteria that must be met for a diagnosis of chronic fatigue.
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In order to be diagnosed with CFS a patient must satisfy the following three criteria:
- Severe chronic fatigue must have lasted at least six months with other known medical conditions excluded by clinical diagnoses
- The fatigue experienced significantly interferes with work and other day-to-day activities
- The individual has 4 or more of the following 8 symptoms concurrently:
- muscle pain
- sore throat
- unrefreshing sleep
- tender lymph nodes
- headaches of a new type, pattern or severity
- post-exertional malaise lasting more than 24 hours
- substantial impairment in short-term memory or concentration
- multi-joint pain without swelling or redness
Additionally, the symptoms above must have persisted or recurred for six or more consecutive months and must not have predated the fatigue.