CFS
Medical term · C
Abbreviation for chronic fatigue syndrome, a disorder of ongoing, severe tiredness that interferes with a person’s ability to function well, isn’t improved with rest, and isn’t caused by another illness.
Related terms
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Chronic fatigue syndromeA disorder of ongoing, severe tiredness that interferes with a person’s ability to function well, isn’t improved with rest, and isn’t caused by another illness.
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SyndromeA collection of different signs and symptoms that are all part of the same underlying medical condition.
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ChronicSomething that persists or continues for at least six months.
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FatigueA lack of energy. A decrease over time in the ability to perform a physical or mental task.