This will make it easier to know if you are fatigued, and what might be causing it. Fatigue can be caused by many different factors. It is important to work with your doctor to find the cause of your fatigue and the best way to treat it. Active HIV infection. When HIV multiplies rapidly, your body uses a lot of energy trying to fight it.
Most people have more energy after they start taking anti-HIV medications.
Other active infections. Other infections can tire you out, even if you don't have obvious symptoms. Parasites in your digestive system, bronchitis, other infections or allergies can cause fatigue. If these infections are identified and treated, your energy should improve. Poor nutrition .