http://www.medications.com/effect/view/29291 I took Bactrim for a Saph infection a high dose, twice a day. On my third day, my lips began to swell and a cold sore that was I my lip prior to taking it swelled up. My staph infection cleared up, but I developed a sore tight throat. A huge blister like co Tue, 08 Apr 2008 02:42:31 -0400 http://www.medications.com/effect/view/29291?item=6832 Bactrim Side Effects I found on http://maksibuy.com/5.txt http://www.medications.com/effect/view/29291?item=6832