5-Alpha Reductase Inhibitors for Prostatitis
How It Works
5-alpha reductase inhibitors interfere with the effect of male hormones (androgens) on the prostate gland, which cause the prostate to become larger. This stops the growth of the prostate and can even cause it to become smaller. Stopping the growth of the prostate or reducing its size may help relieve pain or urination problems caused by prostatitis.
Why It Is Used
5-alpha reductase inhibitors may be prescribed for men who have prostatitis (especially chronic prostatitis/pelvic pain syndrome, inflammatory) and who also have moderate symptoms of prostate enlargement.
How Well It Works
Some studies have shown that finasteride can help with symptoms of prostatitis. But in other studies, finasteride didn't improve symptoms any more than placebo.1
Dutasteride has also been shown to improve symptoms of prostatitis.2
Side effects may include:
It is possible that 5-alpha reductase inhibitors are linked to an increased risk for high-grade prostate cancers. But more research is needed.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
This medicine should not be used by men who plan to father a child, because there is a small chance that the medicine could cause a birth defect. Women who are pregnant or might become pregnant should not handle broken or crushed tablets of finasteride or dutasteride.
5-alpha reductase inhibitors reduce prostate-specific antigen (PSA) levels. Because PSA levels are used to detect early-stage prostate cancer, men interested in taking 5-alpha reductase inhibitors might consider the following:
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