Fever and weakness since 5 days. Normal!

I started having a high fever after i took a cold shower on the 17 th..i went to the hospital .they did all tests like typhoid dengue cbc etc and everything came to normal and said it was a viral fever..they prescribed dolo 650 only and pan40 at first for three days but fever didnt go down so i went back again and now im having taxim o twice a day and dolo 650 thrice a day since three days...two three days before i was getting a fever of 103-104 even before the effect of the medicine wore off .now im getting 100 fever .also theres weakness and eye pain when i look sideways.i feel better in the mornings but then feel weak in the afternoons.in the second day i wasnt able to get up or move my head .now its a little weakness here and there. is this normal