If 99-99.6from a month. Having cysts in both overies. What to do when this fever will end. Feeling tired and lethargic?

May be normal. We accept 98.6 as the average body temperature, but there is a range of normal from 97.6--99.6. It's normal for the temp to be higher w/ physical activity, late in the day and in the middle of a normal menstrual cycle. That said, if you've been feeling tired and lethargic for a month now, even if your temp is "normal", you should see your doctor.