My husband is having frequent fever for past two momths no high readings no cough etc temperature rose upto 101 or 102 in initial episodes. Now its 99. Something or 100. Total of 5-6 episodes of fever in 3 month. Male 56 Indian diabietic. We have recently done all routine test all are fine except sgot and sgpt is 3 times higher than upper range. What r thecauseof such recurring fever.