Fever on and off blln 99 to 99.6 and at night it is 98.6,earlier Widal o& H 1:160 taken antibiotics and then Widal o&H is 1:40negative till now fever pattern is in blln 99 to 99.6 from 35 days,morning before 9am it is 98.4 and after it is in blln 99 to 99.6 tests,
thyroid normal,bp normal,malaria negative,by what reason fever is coming ,plz suggest other tests that are to be performed now ,which medication I has to use now