My 4 yr old daughter took 1 dose of BACTRIM Tuesday night by Wednesday morning she looked like I had forgotten her in the sun. Her entire body was severely red from head to toe she was swollen all over her face, nose, lips,eyes ears hands and feet. Her eyes were so bloodshot and she complained of her throat being sore, couldn't see and her eyes hurting. We took her to our local ER where they stabilized her and then transferred her a hour away to a pedaratic trama center @ Levine's Children Hospital. She was diagnoised with a mild Steven Johnson's disease. Her fever went up to 102 and the heat from her skin and the SJD blistered her face to where she looked sunburn. Luckily the doctor that prescribed this RX to us new exactly what needed to be done and said no more sulfa drugs ever!! She is fine today but things could have been much worse for us.