Fatigue is the lack of motivation or energy (both mental and physical). Fatigue is different from drowsiness (the urge to sleep). Usually fatigue and drowsiness is diagnosed by a healthcare professional as it can be difficult to tell the difference between drowsiness and fatigue. It is usually difficult for the patient to describe fatigue it is characterized by feelings of exhaustion, lethargy and tiredness. Sometimes, fatigue can also be an underlying symptom of a much fatal disorder such as various sleep disorders, hear diseases, COPD, thyroid diseases, diabetes and anemia. In severe cases, fatigue can also result to Chronic fatigue syndrome.
Fatigue is not a disease, it is a symptom. It can either be psychological or physical.
Primary complaints of individuals experiencing fatigue:
What causes fatigue?
Sometimes, fatigue can be serious and should be diagnosed as soon as possible. The doctor or the healthcare professional usually includes tests like CBC (complete blood count test), electrolytes test, blood sugar test (electrolytes test), thyroid hormone, CPK (illnesses which cause muscle inflammation), erythrocyte sedimentation rate (ESR), electrocardiogram (ECG, EKG), CT scans and X-rays.
How is fatigue treated?
Since fatigue is a sign of an underlying disorder, the treatment usually depends on the condition which causes fatigue. The disorder can be psychological, physical or a combination of both.