Shortly after I had my gallbladder removed on 3/19/15 I started having severe side (flank) pain. This pain moved from my side up my back. I would be up for hours with the pain and only during the night did I need to go to the bathroom what seemed like every 5 minutes. They did an ultrasound and urine test. There was blood in my urine so they treated it as a UTI and prescribed Bactrim. My ultrasound did not show anything that would cause the pain. Almost a week later my symptoms became more severe. The pain was more in my back than my side, I developed nausea and hot sweats (no fever). There was still blood in my urine but no signs of an infection. My PCP felt it was kidney stones and prescribed me flomax to help pass it. Days later no change. They did a CT scan, but it showed no stones. I still have blood in my urine so they suggested I see a Urologist. Feeling frustrated I have not made an appointment yet. Yesterday I felt pretty good, just some lower back pain, occasional nausea and I did have two hot sweat periods followed by chills but again no fever. Today I woke up with severe lower back pain. The sweating was the worst it had been, and then I vomited. That was the 1st time I did that. No fever, but I do have a dull headache. I actually feel much better since the hot sweat broke, but I still have lower back pain. Any idea what this could be if it's not stones? Also I am female not male if it matters.