I was put on Cipro for a UTI that had gone to my kidneys, and then found out it was resistant to the infection so they put me on Cephalexin three times a day for 10 days. A day after I got it, I went home sick for work from throwing up, chills, and me shaking. Then this morning, three days later, I woke up with excruciating pain in my right back/side .The pain was originally on the left. Has anyone ever had an issue like this? It doesn't seem to be helping at all. I had a family member who is a nurse, tell me that I should be feeling better by now. She even pounded on my back and when I said it was painful, she said it Was definitely in my kidneys. I'm so tired of being in pain. Any suggestions?