I m having abdominal pain & spasms. I thought it was a UTI, but the urine sample came back negative. He gave me a shot anyway (which was supposed to help with the pain, but it only got worse) & a prescription for Sulfameth TMP 800/160 MG. Several hours later, no relief in sight, so I took 4 Tylenol PM, and the pain almost disappeared. This was last night, and today my abdomen is still painful, but not