I Was Suffering With High Fever For 3 Days 101-104.

i was suffering with high fever for 3 days 101-104. yesterday when temperature was 104.2 doctor advise me to take diclomol. within 30 minutes temperature was down to 97. but after 5 hours i began to shivering rapidly and within 30 minutes temperature rose to 104.5 and shivering stop. i want to know why it performed so badly