February 2015 in “Global journal of dermatology & venereology” Finasteride is effective for male hair loss and concerns about its long-term side effects are largely unfounded.
June 2018 in “Journal of Clinical Periodontology” Finasteride may cause gum side effects in some patients.
August 2018 in “Journal of The American Academy of Dermatology”
August 2023 in “International journal of impotence research” Many dermatologists believe finasteride can cause sexual side effects and counsel patients about them.
April 2017 in “The Journal of Urology” Finasteride before TURP reduces blood loss and improves early postoperative quality of life.
August 2013 in “Reactions Weekly”
7 citations
,
April 2015 in “General and Comparative Endocrinology” Finasteride negatively affects fish reproduction and gonadal development.
Finasteride harms Daphnia magna's reproduction and metabolism.
February 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Taking 1mg of finasteride daily for hair loss can lower PSA levels by 40-50%, so to keep PSA effective as a cancer screening tool, the PSA value should be doubled during treatment.
6 citations
,
January 1996 in “Endocrine-related Cancer” Combining flutamide and finasteride can reduce prostate weight and tumor growth, potentially benefiting treatments needing optimal DHT inhibition.
38 citations
,
August 2003 in “International Journal of Urology” Finasteride and levofloxacin effectively reduce chronic bacterial prostatitis severity.
73 citations
,
January 1994 in “European Urology” Finasteride works better than Permixon in reducing dihydrotestosterone levels.
October 2025 in “CRC Press eBooks”
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.
23 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
Finasteride reduces DHT levels and affects gene expression in fish, similar to its effects in humans.
January 2013 in “The Journal of Sexual Medicine” The document suggests that finasteride may cause depression and suicidal thoughts, while prostate surgery does not harm sexual health.
1 citations
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August 2002 in “PubMed” Finasteride effectively slowed hair loss and promoted hair growth in Taiwanese men.
August 2024 in “Australasian Journal of Dermatology” Finasteride users have a very low risk of mental health issues, but those with hair loss may have slightly higher anxiety and depression.
December 2017 in “Reactions Weekly” Finasteride caused bleeding in a man, which stopped after stopping the drug.
14 citations
,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism”
5 citations
,
November 2020 in “JAMA Dermatology” Finasteride may cause side effects; more research needed.
27 citations
,
March 2018 in “Fertility and Sterility” Women with PCOS who had antiandrogenic treatment before pregnancy had fewer complications than those without treatment.
July 2025 in “Reactions Weekly” August 2013 in “한국산업융합학회 논문집” Finasteride reduces certain hormone levels to treat prostate issues.
1 citations
,
April 2013 in “The FASEB Journal” 3α‐OH‐DHP is essential for reducing nerve activity related to blood pressure control during pregnancy.
April 2015 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The safety of the hair loss drug finasteride is unclear due to inadequate reporting in clinical trials.
August 2018 in “Journal of The American Academy of Dermatology” Finasteride helps female-pattern hair loss.
January 2025 in “Thieme Medical and Scientific Publishers Private Limited eBooks”
44 citations
,
January 2013 in “International Journal of Trichology” Finasteride 5 mg/day effectively treats hair loss in postmenopausal women without hyper-androgenism.