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Thursday, July 30, 2009 glasbern, Community Member, asks

Q: pros and cons of proscar and flomax taken together for early prostate cancer

i have been diagnoses with prostate cancer. i am 67,gleason 6,psa 4.3, tc1. i have elected watchful waiting with dre and psa testing every 6 months and biopsy 1 time a year. i take flomax,have changed my dietary intake . my doctor suggested i may want to take proscar along with flomax. what are the ros and cons to this combination. i have been on flomax for the past few years. thank you

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Answers (2)
Dan, Editor
7/31/09 11:52am

Hi Glasbern,


This is actually a very common pattern of treatment for men with an enlarged prostateFlomax and Proscar are two different types of medications, and are often used in conjunction to treat slightly different things.  Here's how Dr. Motola explains it:


"[Flomax] is an alpha-bocker. These drugs help to relax muscle fibers that squeeze the prostate. By relaxing these muscle fibers, the flow of urine will improve, your bladder should empty more effectively and urinary frequency should decrease.

[Proscar]is a 5-alpha reductase inhibitor. Its effect on the prostate is to shrink the overall size of the prostate. Maximum effects from this drug are usually not seen until 3-6 months of therapy have been completed.

Many Urologists will start their patients on an alpha-blocker and after the patient starts to experience relief of symptoms, will add a 5-alpha reducatse inhibitor to then shrink the prostate. If the prostate shrinks, the alpha-blocker can then be stopped."


This sounds very much like your case.  Hope this helps!




robert.mathis16, Community Member
3/30/10 9:12pm

why dont i have an erection


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By glasbern, Community Member— Last Modified: 02/22/14, First Published: 07/30/09