6 citations
,
January 2021 in “International Journal of Molecular Sciences” Finasteride-treated male rats' offspring had altered glucose metabolism, potentially increasing diabetes risk.
8 citations
,
September 2018 in “Current Sexual Health Reports” Finasteride can cause lasting sexual dysfunction, depression, and other side effects, needing more research for treatment.
14 citations
,
March 2017 in “Sexual Medicine” Finasteride side effects in young men may be linked to specific gene variations.
81 citations
,
May 2015 in “American Journal of Men's Health” Finasteride can cause lasting sexual, emotional, and cognitive issues, with varying severity.
1 citations
,
January 2015 in “Journal of Clinical Toxicology” Babies were mostly born healthy from fathers who took finasteride, but some pregnancies ended early; more research is needed.
10 citations
,
January 2015 in “Folia Histochemica Et Cytobiologica” 
16 citations
,
December 2014 in “International Journal of Biological Markers” Longer CAG and GGN repeats increase alopecia risk, but no significant link to post-finasteride syndrome found.
36 citations
,
June 2014 in “PLOS ONE” Finasteride, a hair loss drug, may cause long-term sexual side effects due to changes in hormone receptor levels.
66 citations
,
April 2014 in “Journal of Dermatological Treatment” Finasteride and dutasteride effectively treat hair loss, but may cause side effects like sexual dysfunction and depression.
15 citations
,
February 2013 in “International Urology and Nephrology” Low-dose finasteride may cause fertility issues, but stopping it can improve sperm quality and lead to pregnancy.
5 citations
,
December 2012 in “PubMed” Stopping the use of the drug finasteride can improve sperm count and does not prevent normal conception, but caution is advised when trying to conceive.
71 citations
,
November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
134 citations
,
August 2012 in “The Journal of Clinical Psychiatry” Former finasteride users with persistent sexual side effects have higher rates of depression and suicidal thoughts.
41 citations
,
January 2012 in “Journal of Dermatology” Finasteride 1 mg effectively and safely increases hair growth in Japanese men with hair loss.
185 citations
,
June 2011 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause long-lasting sexual side effects like low libido and erectile dysfunction.
36 citations
,
May 2011 in “Fertility and Sterility” Finasteride use may cause sperm damage and infertility, stopping it can improve sperm health.
38 citations
,
April 2011 in “Fertility and Sterility” Finasteride may cause male infertility, stopping it can help.
23 citations
,
July 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
195 citations
,
May 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
118 citations
,
May 2003 in “Toxicological Sciences” Exposure to finasteride in the womb caused lasting reproductive issues in male rats.
20 citations
,
January 2002 in “PubMed” Finasteride 1 mg/day for five years effectively improves hair growth and slows hair loss in men with male pattern baldness, and is safe for long-term use.
67 citations
,
February 1997 in “Teratology” Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.
