You need to have a full physical evaluation to see if there are other causes for your fatigue which, if treated, can improve your overall function.
Kufuneka uxilongwe umzimba ngokupheleleyo ukuze kuvele nezinye izinto ezidala ukudinwa nezinokuthi zisakunyangwa kutsho kuphucuke indlela osebenza ngayo ngokupheleleyo.