Chronic fatigue syndrome

What is chronic fatigue syndrome?

Chronic fatigue syndrome is a widely accepted medical condition characterised by extreme fatigue. The fatigue lasts for at least six months, worsens with physical or mental activity, and does not improve with rest. The fatigue cannot be explained by an underlying medical condition. The causes of chronic fatigue syndrome are still being investigated, but may include viral infection and/or exposure to psychological stress.

What is the evidence for chronic fatigue syndrome in people with PTSD?

Moderate to low quality evidence finds a medium-sized effect of increased rates of chronic fatigue syndrome in people with previous exposure to trauma.

August 2021

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Last updated at: 2:31 am, 3rd August 2021
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Fact Sheet Technical Commentary

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Title Colour Legend:
Green - Topic summary is available.
Orange - Topic summary is being compiled.
Red - Topic summary has no current systematic review available.