skin or soft tissue infection
"I was prescribed this twice a day for 7 days. I'm halfway through and I recently developed severe headaches, decreased appreciate, decreased urination, and shortness of breath. No diahrrea yet, but I did feel nauseous this morning. I hope not to get diahrrea because I'm trying to heal an anal fissure. I tested negative for some common STDs so I don't know what I have but my groin lymph nodes still seem to be swollen. :/"