BPH or Uretheal Stricture

For the last two months I have had burning after urination. I went to the doctor(urologist)to have thing checked out.I give a urine sample, and the result was no infection.The doctor said I had a lot of urine in my bladder.He suggested putting in a catheter so the bladder could drain.He also put me on flomax.One week later, the catheter was removed.I had to go back to the doctor the following week with the same problem.Another catheter was put in for a week then removed.The catheter has been out for two weeks and no problems.When I had the second catheter removed,I asked the doctor what could be causing the bladder to not empty all of the urine.He said it could be an enlarged prostate.The doctor has not done a DRE.How does he know if the prostate is enlarged,if he has not done a DRE? He has not done a psa either.Three day later I went to the E/R for pelvic floor spasms. The E/R doctor checked my prostate and said it was normal.I think I might have a Uretheal Stricture because I was at the E/R one year ago for burning after urination. The E/R nurse used a catheter to get a urine sample and she had a problem getting the catheter in.I think the trauma from putting the catheter in caused a uretheal stricture.