CFS symptoms can make it hard to do everyday activity. They also differ among people. Symptoms may appear quickly or build slowly over time. They may also appear after an infection such as a cold. The infection goes away, but severe fatigue lingers. Symptoms can be constant or may come and go.
The main symptoms for CFS include:
Other symptoms may include:
Chronic fatigue syndrome. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T115094/Chronic-fatigue-syndrome. Updated September 10, 2018. Accessed February 8, 2019.
Chronic fatigue syndrome. Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/special-subjects/chronic-fatigue-syndrome/chronic-fatigue-syndrome. Updated July 2018. Accessed February 8, 2019.
Committee on the Diagnostic Criteria for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Board on the Health of Select Populations, Institute of Medicine. Beyond myalgic encephalomyelitis/chronic fatigue syndrome: redefining an illness. Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness. Washington (DC): National Academies Press (US); 2015 Feb 10. Available at: https://www.ncbi.nlm.nih.gov/books/NBK274235.
Symptoms of ME/CFS. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/me-cfs/symptoms-diagnosis/symptoms.html. Updated July 12, 2018. Accessed February 8, 2019.
Yancey JR. Thomas SM. Chronic fatigue syndrome: diagnosis and treatment. Am Fam Physician. 2012;8(68):741-746.
Last reviewed December 2018 by EBSCO Medical Review Board
Marcin Chwistek, MD
Last Updated: 2/8/2019