Fatigue
Range of afflictions, usually associated with physical and/or mental weakness / From Wikipedia, the free encyclopedia
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Fatigue describes a state of tiredness (which is not sleepiness) or exhaustion.[1] In general usage, fatigue often follows prolonged physical or mental activity. When fatigue occurs independently of physical or mental exertion, or does not resolve after rest or sleep, it may have other causes, such as a medical condition.[2]
| Fatigue | |
|---|---|
| Other names | Exhaustion, weariness, tiredness, lethargy, listlessness |
| Specialty | Internal medicine and most other specialities |
| Treatment | Avoid known stressors, avoid unhealthy habits such as: drug use, excessive alcohol consumption, smoking; healthy diet, exercise regularly, medication, staying hydrated, and vitamins |
Fatigue (in a medical context) is complex and its cause is often unknown.[3] Fatigue is associated with a wide variety of conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases and post-infectious disease states.[4]
Fatigue (in the general usage sense of normal tiredness) can include both physical and mental fatigue. Physical fatigue results from muscle fatigue brought about by intense physical activity.[5][6][7] Mental fatigue results from prolonged periods of cognitive activity which impairs cognitive ability. Mental fatigue can manifest as sleepiness, lethargy, or directed attention fatigue.[8] Mental fatigue can also impair physical performance.[9]