A member asked:

I take 1.25mg of propecia (finasteride) once a day, for the past 7 months. how much does that decrease my sperm count, if at all?

A doctor has provided 1 answer

Not completely known: Despite Propecia (finasteride) being marketed to younger men, no study of the effects on sperm number or activity were done. Studies AFTER the drug was available showed that in men who had fertility problems (determined they had sperm problems), that stopping the med improved sperm count 4x in 14 of 24 men. The other 10 had no change. In men WITHOUT fertility problems, nothing is known about sperm numbers.

Answered 11/15/2015

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Related Questions

A member asked:

Can propecia (finasteride) lower sperm counts temporarly.

A doctor has provided 1 answer