In nonbacterial prostatitis prostate is there any change in shape and size of the prostate?????..i have very little pelvic pain after urinating but it burns before and after urinating and increase urine frequency and urgency,urine speed is also reduce ..my urine test comes negative no bacteria.my prostate is 15.2 size.if i sit my pelvic floor burns.it around 1 and 1/2 months..took antibiotics but it helps a little.still having the symptoms of uti