http://www.medications.com/effect/view/30067 I had been taking bactrim for a week when one morning i woke up feeling achy, tired, and light-headed. I noticed a slight rash forming on my arms but didn't think much of it bc i had been on the Bactrim for a week already. Then the symptoms got wayyyyy wors Fri, 09 May 2008 15:41:35 -0400 http://www.medications.com/effect/view/30067?item=8139 My son was hospitalized for an allergic reaction to bactrim. He had a terrible sinus infection and had to take it for a month. His allergist confirmed that he had an allergic reaction, he was covered, head to toe within two weeks, his neck swelled on one http://www.medications.com/effect/view/30067?item=8139 Wed, 06 Aug 2008 23:38:20 -0400 http://www.medications.com/effect/view/30067?item=10830 oh my god i can totally relate. i took bactrim to help prevent infection in my foot that i had stiches in . With in 30 minutes my bottom became excoriated with burning and itching and later developed withsores all over my vagina. i always got tested for st http://www.medications.com/effect/view/30067?item=10830