Finasteride Side Effects. For almost four years now, a growing body of research has shown that finasteride — the active ingredient in a drug used to treat male pattern baldness or enlarged prostate — caused impotence, decreased libido and difficulty reaching orgasm in men who took it.
A meta-analysis of all medical literature conducted last year came to this conclusion, even pointing out that, at worst, the sexual side effects in some cases lasted even after the men stopped taking the finasteride.
Propecia Side Effects: Impotence & Erectile Dysfunction? Hair growth drug Propecia solves baldness but does it cause impotence? If you had to make a choice between having a head full of hair and being able to ‘get it up’ whenever you want, which would you choose?
Or, let’s put it this way: if you’re male and you’re balding, would you do everything you can to get back a head full of hair? If this meant that the best medication for baldness would also make you impotent, would you still go ahead and take these drug?
Because that’s what it means to take finasteride, a drug approved by the United States Food and Drug Administration since 1997 for the treatment of male pattern baldness (MPB).