urinary tract infection
"I was prescribed Bactrim and felt worse right away. After reading the side effects, I told myself that what I was feeling was normal. I took the prescribed dosage (2 per day) for 5 days, feeling even worst on the 5th day - shaky, diarrhea, headache, nervousness, unable to sleep. Then after some research, I discovered that there also were interaction side effects with my blood pressure medications. "