Idiopathic chronic fatigue
| Idiopathic Chronic Fatigue | |
|---|---|
| Other names | Chronic Idiopathic Fatigue (CIF), insufficient/idiopathic fatigue (ISF), unexplained chronic fatigue |
| Specialty | Family medicine, Internal medicine, Musculoskeletal |
| Symptoms | Chronic fatigue |
| Usual onset | Acquired (not lifelong) |
| Duration | At least six consecutive months |
| Causes | Unknown |
| Diagnostic method | Based on symptoms. Diagnosis of exclusion requiring laboratory evaluation, physical and biopsychosocial assessment. |
| Differential diagnosis | Occupational burnout; chronic fatigue due to a known medical condition such as chronic fatigue syndrome, overtraining |
| Treatment | Symptomatic |
| Frequency | 6.2 to 64.2 per 1000 |
Idiopathic chronic fatigue (ICF) or chronic idiopathic fatigue or insufficient/idiopathic fatigue is a term used for cases of unexplained fatigue that have lasted at least six consecutive months and which do not meet the criteria for myalgic encephalomyelitis/chronic fatigue syndrome. Such fatigue is widely understood to have a profound effect on the lives of patients who experience it.