Synonym - tired all the time syndrome (TATT)
This is an extremely common presentation in General Practice. The doctor should take a systematic approach, focusing on physical, psychological and social issues with a view to discovering the true aetiology and providing rational treatment or management. There is a separate Chronic Fatigue Syndrome (CFS) article.
This is a companion discussion topic for the original article at https://patient.info/doctor/multisystem-diseases/fatigue-and-tatt