Chronic fatigue syndrome (CFS/ME)Symptoms

The main symptom of CFS/ME is feeling extremely tired and generally unwell.


Chronic fatigue syndrome, also called CFS or CFS/ME, is a condition that causes extreme tiredness and a range of other symptoms.


Chronic fatigue syndrome has a wide range of symptoms. The most common symptom is extreme tiredness.


Treatments for chronic fatigue syndrome include talking therapies, exercise programmes and medicines.


It’s not entirely clear what causes chronic fatigue syndrome. Possible causes include an infection or problems with your immune system or hormones.

Page last reviewed: 16/05/2017
Next review due: 16/05/2020