May 2017 in “Urology and andrology” Finasteride and dutasteride, used for prostate issues and hair loss, can cause side effects like sexual dysfunction and mental issues, which may continue even after stopping the medication, a condition called post-finasteride syndrome, for which there's currently no cure.
81 citations,
June 2014 in “American Journal of Men's Health” Finasteride can cause lasting sexual, emotional, and cognitive issues, with varying severity.
1 citations,
July 2018 in “Current Sexual Health Reports” Post-finasteride Syndrome causes lasting negative effects, but more research is needed for treatment and risk evaluation.
33 citations,
January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
19 citations,
March 2019 in “Behavioural Brain Research” Finasteride use can cause depression-like behavior in male rats.