Finasteride may help prevent prostate cancer, but more research is needed.
August 2021 in “The Journal of Urology” Finasteride use is strongly linked to sexual dysfunction, especially in young men treating hair loss.
February 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Dutasteride is more effective than finasteride for hair growth in men, with similar safety.
January 2012 in “Земский врач” Finasteride helps improve treatment for benign prostatic hyperplasia.
January 2015 in “프로그램북(구 초록집)” Dutasteride is effective and safe for treating common hair loss, and it's more potent than finasteride, leading to better hair growth and thickness.
September 2004 in “Urology” Finasteride may reduce prostate cancer risk.
19 citations
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April 2020 in “Dermatologic Therapy” Dutasteride works better than finasteride for hair loss, with both being safe to use.
61 citations
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April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
66 citations
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June 2006 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss, with best results after four years.
Adherence to finasteride treatment for prostate issues is generally low.
65 citations
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October 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively reduces hair loss by decreasing androgen levels.
1 citations
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August 2022 in “Journal of Dermatological Treatment” Dutasteride is the most effective for hair loss but may cause sexual and mental side effects.
64 citations
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June 2009 in “Journal of The American Academy of Dermatology” Oral dutasteride can potentially treat frontal fibrosing alopecia in postmenopausal women, with some patients showing disease arrest and hair regrowth.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
15 citations
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March 1997 in “International Journal of Dermatology” Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.
40 citations
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November 2020 in “JAMA Dermatology” Finasteride may cause suicidal thoughts and mental side effects, especially in young people with hair loss.
September 2022 in “International Journal of Impotence Research” Public interest in finasteride's sexual side effects has significantly increased.
February 2026 in “NeuroSci” Finasteride and dutasteride may cause depression and anxiety, especially in younger men.
March 2025 in “Journal of Cosmetic Dermatology” Finasteride use may increase depression and suicide risk, especially at 1 mg, so monitoring is advised.
February 2013 in “Americanae (AECID Library)” Finasteride may reduce prostate tumor cell invasion and spread.
13 citations
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February 2018 in “Dermatologic Therapy” Finasteride 2.5 mg/day can effectively treat female hair loss.
June 2018 in “Journal of Clinical Periodontology” Finasteride may cause gum side effects in some patients.
21 citations
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March 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may help stabilize or slow down hair loss in some frontal fibrosing alopecia patients, but more research is needed to confirm their effectiveness and safety.
January 2017 in “Indian journal of sexually transmitted diseases and AIDS” Finasteride, a hair loss drug, can cause sexual side effects like erectile dysfunction in 2.1%-3.8% of users, but these usually go away with time or if the drug is stopped. Despite this, its impact on sexual function is minimal for most men.
3 citations
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February 2019 in “Molecular genetics and metabolism” The combination of tadalafil and finasteride improves urinary symptoms and erectile function in men with enlarged prostates.
August 2009 in “Reactions Weekly” Finasteride caused breast enlargement in two men, which improved after stopping the medication.
34 citations
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January 1998 in “European Urology” Finasteride works best in 6 months and lasts 6 years.
64 citations
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June 2010 in “Journal of The European Academy of Dermatology and Venereology” Finasteride improves hair density and thickness in women with hair loss.
10 citations
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June 2016 in “PLOS ONE” Finasteride boosts immune cells that suppress T-cells, possibly helping with immune disorders but may increase cancer risk.
23 citations
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August 2001 in “PubMed” Finasteride reduces caspase levels, helping hair growth in AGA patients.