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Urology/retrograde ejaculation


QUESTION: if you have enlarged prostate and Flomax causes retrograde ejaculation.if you have sex with retrograde ejaculation will this harm bladder or penis

ANSWER: Frank:

Retrograde ejaculation causes no harm to the penis or bladder.

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QUESTION: I have episodes where I pee every hour.i have been to 2 urologists who did cystoscope 6 months ago bladder is normal.i currently take proscar and pain when I pee,even every every hour it is a fair sized pee.will urinating this often lead to bladder failure.tried dextral it gave me urinary retention---this is my last e-mail to you /you have been patientthey say holding in pee at longer interveals help strengthen bladder muscle


Voiding every hour with a significant amount of urine may not be a bladder problem; it could be a "making too much urine" problem.  The best way to know is to do a voiding diary.

For one 24 hour period, write down on a piece of paper the time and the amount that you urinate.  We prefer this be measured in mL.  You can use a plastic urinal available in most drug stores to do the measurements.  The normal voided amount is around 250-300 mL per void and the normal 24 hour total urinary volume is around 1300-1500 mL.  Either you are voiding in small amounts (typical of bladder overactivity) or you are making way too much urine (urine overproduction or polyuria).  With the 24 hour voiding diary, it's easy to tell the difference.  

If the problem is bladder overactivity, then a low dose of a bladder relaxing drug should help as long as the urinary flow is decent and the bladder is able to get empty.

Talk to your urologist once the cause is clearer.

Significant overactivity of the bladder over time can cause bladder damage.


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Stephen W. Leslie, MD


Questions concerning erectile dysfunction, kidney stones and prostate disorders including prostate cancer. I have a special interest in kidney stone disease prevention.


Full time practicing urologist with 30 years experience. Associate Professor of Surgery and Chief of Urology at Creighton University Medical Center. Editor in Chief of eMedicine Urology internet textbook. Author of only NIH approved book written for patients by a urologist on the subject of kidney stones "The Kidney Stones Handbook". Inventor of the "Parachute" and "Escape" kidney stone baskets and the "Calculus" stone prevention analysis computer program.

American Urological Association, Ohio State Medical Association, Sexual Medicine Society

Men's Health, Journal of Urology, Urology, Healthwatch Magazine, Emergency Medicine Monthly, eMedicine, "The Kidney Stones Handbook", and numerous articles in various newspapers. He is also the editor of the Urology Board Review by McGraw-Hill used by urologists to study for their Board Certification Examinations.

Graduate of New York Medical College with residencies completed at Metropolitan Hospital New York, Albany Medical Center and University of Wisconsin-Madison.

Awards and Honors
Thirlby Award of the American Urological Association. Rated as one the country's Best Urologists by the Independent Consumer's Research Institute

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