October 2020 in “Journal of Pakistan Association of Dermatology” Finasteride appears safe for long-term sperm concentration, but more research is needed for clear conclusions.
April 2012 in “The Journal of Urology” Persistent ED in Propecia users is not due to abnormal blood flow.
2 citations
,
December 2001 in “PubMed”
January 2000 in “Annals of Dermatology” Finasteride effectively treats hair loss in men with minimal side effects.
July 2015 in “Pharmacological Reports” Finasteride weakens the bone-protective effects of certain blockers in low androgen conditions.
September 2012 in “PharmacoEconomics & Outcomes News” Finasteride doesn't harm quality of life.
13 citations
,
April 2015 in “Journal of Dermatology” Finasteride effectively promotes hair growth and reduces hair loss in men with androgenetic alopecia.
7 citations
,
June 2020 in “Translational Andrology and Urology” Finasteride for hair loss may cause lasting sexual, genitourinary, mental, and anti-androgenic side effects in young men.
December 2010 in “Asian Journal of Research in Chemistry” The new method makes finasteride cheaper and easier to produce.
9 citations
,
October 2013 in “PLOS ONE” Dutasteride works better than finasteride for preventing and treating prostate cancer.
February 2014 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Dutasteride 0.5mg is more effective than finasteride 1mg for treating male pattern baldness.
June 2024 in “Drug and therapeutics bulletin” Finasteride can cause depression, suicidal thoughts, and lasting psychiatric and sexual issues.
January 2026 in “Reactions Weekly” Both finasteride and dutasteride can cause sexual side effects, but they may differ in frequency and severity.
January 2015 in “프로그램북(구 초록집)” 2.5 mg/day finasteride effectively treats female pattern hair loss.
Finasteride and dutasteride are not recommended for feminizing therapy due to limited effectiveness and potential risks.
December 2016 in “Reactions Weekly” Dutasteride and finasteride have equal safety for treating BPH without increased heart risk.
January 2024 in “International Journal of Trichology” Finasteride is effective for hair regrowth, but some believe it may cause persistent symptoms due to psychological factors.
December 2025 in “The Journal of Clinical Psychiatry” Finasteride can cause depression and suicidal thoughts; safer alternatives are recommended.
21 citations
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January 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
September 2004 in “Urology” Dutasteride may help prevent prostate cancer, but more research is needed.
29 citations
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July 2009 in “BJU international” Blocking DHT production more strongly may help control advanced prostate cancer and improve quality of life.
August 2021 in “The Journal of Urology” Finasteride use is strongly linked to sexual dysfunction, especially in young men treating hair loss.
195 citations
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February 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.
June 2026 in “Pharmaceuticals” 5α-Reductase inhibitors, like finasteride, can cause serious, persistent side effects not always listed in official drug information.
November 2022 in “International Journal of Trichology” Finasteride can cause rare but serious skin rashes.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
2 citations
,
March 2021 in “Reproduction” Finasteride may affect male fertility by interfering with specific sperm signaling.
November 2005 in “The Journal of Urology” Dutasteride may lower the chance of finding prostate cancer in men with enlarged prostates.
6 citations
,
December 2016 in “Journal of Dermatology” Dutasteride effectively and safely treats male hair loss for over a year.
69 citations
,
July 1997 in “Der Urologe” Sabal and Urtica extract works as well as finasteride for treating BPH, with fewer side effects.