Welcome to the forum. Your symptoms are indicative of side effects of one of the medications that you are taking. Did you alert your treating doctor about any allergy
that you have from medicine or food ? If you have not, re-visit the treating doctor and alert him.
There are many substitute medicines, he can prescribe you some other medication that is more suitable for you. Ensure that you get clinically examined. Also have a blood and urine test done to get properly diagnosed about the type of fever
from which you are suffering.
Meanwhile take plenty of water and soups, juice to flush out the toxic effect of the medication from your body system. Have a nice day, take care.