A member asked:

I take propecia 1mg for hair loss. if i masturbate after i take the pill will it effect the way propecia works?

A doctor has provided 1 answer
Dr. Gregory Lewis answered

Specializes in Urology

No: Propecia (finasteride) is absorbed from the GI tract into the blood stream where it "blocks" the conversion of Testosterone to the more potent androgen Dihydrotestosterone (DHT). It is DHT which promotes both baldness and prostate enlargement in men. The 1 mg dose is used to prevent hair loss and 5 mg dose used to shrink the prostate. Ejaculation by any method has no effect on how Propecia works.

Answered 1/21/2020

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