What is chronic fatigue?

Also known as: chronic fatigue syndrome, CFS, myalgic encephalomyelitis, MFS, ME.

No one is exactly sure what causes chronic fatigue. In some cases it may be associated with other illnesses like:

• Infectious mononucleosis

• Anemia

• Low thyroid activity

• Mood disorders

• Depression

• Sleep problems

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Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM