Stupid Bactrim..never again!! I am a healthy 27 yr old, have neve...

I to was prescribed a 3 day dose...honestly, i expected the worst,reading all the horror stories,and felt pretty lucky, not having experienced most of them...while on..i only really experienced loss of app., constipation,slight light headness,slight insomnia...well,to my surprise, the worst was yet to come...I started the the first dose sat morn, last dose monday night...tuesday morning, felt fine, a little tired,afternoon,a little tirde..then around 5 or so, a wave of chills start....mental fogginess...felt like my arms,my head were on fire...like i had a flu like fever....depression....today is wednesday,woke up still with a fever...slight stiffness in neck,mild lower back pain...chills.....and depression...and...i feel dizzy..if i move to quick or try and concentrate...its awful....i feel as though my fever broke about a half hour ago....just waiting for the 2nd wave...why does this continuie to effect you, when you have stopped taking it....i didnt feel this way on it....