Right flank pain, trouble urinating, no bacteria in urine and no stds or stones prescribed cipro (ciprofloxacin) for prostatitis after ten days can't pee again. male?

Alpha blocker: you may benefit from drugs such as "Flomax" or tamsulosin to help urinate, along with the course of antibiotics. Make sure you get a prostate exam to confirm prostatitis. You may need more than 10d course of antibiotics, sometimes as long as 4-6 week course.

You need a Doctor: You need a thorough exam and workup. Call you doctor immediately. This could be very serious.