http://www.medications.com/effect/view/31832 I have been taking this medication for 6 days for a UTI. I feel like crap and haven't been able to work. Thank goodness I don't have hives or anything else. But my stomachs is cramping really bad and I have been acting like an evil $%#@&, I also have the wo Tue, 18 Nov 2008 12:39:40 -0500 http://www.medications.com/effect/view/31832?item=14616 I was also taking sulfamethoxazole or bactrim, on the third day I felt the same I still had the uti so I call my Dr. he said to keep taking it of the sixth day I couldn'd handle it any more I had cramping and the UTI came back so I went to the hospital the http://www.medications.com/effect/view/31832?item=14616