A member asked:

Does propecia (finasteride) affect males sperm?

4 doctors weighed in across 4 answers
Dr. Robert Killian answered

Specializes in General Practice

Propecia (finasteride): It affects the amount of semen produced by the prostate gland. I am not sure that it affects the testicles and their production of sperm. Most likely just the semen and not the sperm.

Answered 9/12/2013

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Dr. Ryan Phasouk answered

Specializes in Family Medicine

Temporarily: Propecia (finasteride) can lead to temporary infertility in less than 1% of users. It can cause impotence in up to 19% of users.

Answered 6/30/2014

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Dr. Bachar Al-Alami answered

Specializes in ADHD & Autism

No ,Read below: It is used to help hair growth in male pattern baldness. It may take 3 months to see the full effect. • it is used to treat the signs of an enlarged prostate. It may take a few months to see the full effect. • it is used to stop prostate cancer.

Answered 9/12/2013

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Dr. Steven Chmielewski answered

Specializes in Diagnostic Radiology

Not in young males.: 1 mg of Propecia (finasteride) had no effect on spermatogenesis.

Answered 1/15/2018

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