February 2026 in “Journal of Psychosexual Health” Finasteride can cause long-lasting sexual dysfunction even after stopping the drug.
April 2026 in “Brazilian Journal of Hair Health” Perifollicular fibrosis hinders hair regrowth in androgenetic alopecia, and new treatments targeting fibrosis are needed.
May 2015 in “Journal of The American Academy of Dermatology” Young men taking finasteride for hair loss have a higher risk of sexual dysfunction.
January 2009 in “Reactions Weekly” A man had an allergic skin reaction on his penis from a hair loss medication, which improved after stopping the medication.
May 2024 in “The journal of sexual medicine” Finasteride treatment may cause erectile dysfunction, but stopping it reverses these effects.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
50 citations
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March 2017 in “PeerJ” Using finasteride or dutasteride may cause long-lasting erectile dysfunction.
5 citations
,
September 2011 in “Andrologia” Finasteride use may be linked to rare testicular tumor, but more research needed.
44 citations
,
January 2006 in “Biological & Pharmaceutical Bulletin” Androgen hormones cause hair follicle scarring in hair loss, and finasteride helps reduce it.
January 2011 in “Journal of the American Academy of Dermatology” Finasteride may cause pseudoporphyria, a blistering skin condition.
3 citations
,
February 2024 in “Wound Repair and Regeneration” Keloids on the penis are rare, often triggered by circumcision, and rarely recur after surgery.
112 citations
,
July 2012 in “The Journal of Sexual Medicine” Finasteride may cause long-lasting sexual side effects.
May 2023 in “The Journal of Sexual Medicine” Men with self-diagnosed PFS-related ED have normal erectile hemodynamics.
81 citations
,
June 2014 in “American Journal of Men's Health” Finasteride can cause lasting sexual, emotional, and cognitive issues, with varying severity.
January 2019 in “International Journal of Clinical & Medical Images” The patient showed signs of liver disease due to alcohol use but didn't need treatment for Dupuytren’s contracture.
2 citations
,
January 2004 in “Korean Journal of Andrology”
10 citations
,
June 2011 in “Archives of Dermatology” Finasteride caused blisters on hands and feet.
December 2018 in “Reactions Weekly” Some medications may cause lasting sexual dysfunction.
May 2003 in “Reactions Weekly” February 2025 in “International Journal of Impotence Research”
1 citations
,
May 2015 in “Journal of The American Academy of Dermatology” Finasteride for hair loss in young men may significantly increase the risk of sexual dysfunction.
10 citations
,
December 2018 in “Medical Science Monitor” The MAPK/ERK pathway is crucial in controlling cell growth and death in finasteride-induced hypospadias.
185 citations
,
March 2011 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause long-lasting sexual side effects like low libido and erectile dysfunction.
July 2021 in “Reactions Weekly” Man experienced lasting sexual dysfunction from finasteride, but malpractice claim was rejected.
February 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Finasteride can cause skin reactions, so dermatologists should be aware.
November 2025 in “Skin Appendage Disorders” Fibrosis contributes to hair loss in androgenetic alopecia, and targeting it may improve treatment.
May 2022 in “Endocrine Abstracts” Finasteride may cause sexual dysfunction by reducing epinephrine levels.
May 2015 in “Journal of The American Academy of Dermatology” Finasteride for hair loss increases risk of sexual dysfunction in young men.
September 2022 in “Translational Andrology and Urology” Finasteride may cause lasting sexual and mental health issues, and genetic screening could help prevent them.
June 2018 in “Evidence-Based Practice” Finasteride can double the risk of sexual problems like ejaculation issues, low libido, and impotence.