January 2016 in “Archivio italiano di urologia, andrologia” The document concludes that the risk of sexual side effects from 5-alpha-reductase inhibitors is low and often temporary, but more research is needed on potential permanent effects.
February 2026 in “European Urology” 
1 citations
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September 2013 in “Fertility and Sterility” Finasteride discontinuation increases sperm count in men.
1 citations
,
November 2006 in “Medicina de Familia SEMERGEN” 
July 2016 in “Reactions Weekly” Cyproterone and finasteride reduced hypersexuality but caused serious side effects.
May 2024 in “Reactions weekly” 
6 citations
,
September 2010 in “Current Urology Reports” New treatments for long-lasting erections improve outcomes but must be timely to avoid lasting damage.
18 citations
,
October 2017 in “Drug Design Development and Therapy” DA-9401 helps protect rat testis from finasteride damage.
15 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
2 citations
,
January 2013 in “Yearbook of Urology” Finasteride may help treat recurrent priapism in children, but more research is needed.
May 2026 in “Reactions Weekly” October 2025 in “CRC Press eBooks” 
July 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Trazodone and chlorpromazine may help treat sexual dysfunction caused by finasteride and SSRIs.
March 2026 in “The Aging Male” PDE5 inhibitors cause earlier adverse events in BPH treatment, requiring careful monitoring.
1 citations
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March 1997 in “Fertility and Sterility” Finasteride is effective and safe.
May 2023 in “The Journal of Sexual Medicine” Flibanserin may help improve sexual symptoms in various conditions beyond its approved use.
September 2014 in “PubMed Central” BPH treatments can cause sexual side effects affecting quality of life.
November 2005 in “PubMed” 
January 2018 in “Surgical and Cosmetic Dermatology” Finasteride and dutasteride are effective for male hair loss and enlarged prostate but may cause reversible sexual side effects.
March 2024 in “Journal of the American Academy of Dermatology” Taking medication for hair loss might cause sexual problems.
4 citations
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April 2015 in “대한비뇨기종양학회지” For better medication adherence in benign prostatic hyperplasia treatment, tamsulosin and finasteride should be packaged together and taken at the same time.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
April 2022 in “The Journal of Sexual Medicine” Finasteride is linked to sexual dysfunction, especially in younger users treating hair loss.
6 citations
,
May 2011 in “Journal of Pharmacy Technology” Old drugs can be used for new treatments, saving time and money, but there are challenges like needing more evidence and legal concerns.
30 citations
,
July 2001 in “BJUI” Combination therapy improves urinary flow and reduces residual urine, but needs better stent design.
September 1999 in “PubMed” Finasteride effectively thickens hair in men with minimal side effects.
2 citations
,
January 2013 in “Iraqi journal of Medical Sciences” 6 citations
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June 2014 in “PubMed” Combining TUSV with finasteride effectively treats recurrent hemospermia.
9 citations
,
February 2018 in “Journal of Pharmaceutical and Biomedical Analysis” Quick, selective detection of tadalafil and finasteride in human plasma developed.
Canadian lawsuits involving 5-alpha-reductase inhibitors are related to persistent erectile dysfunction side effects, with no judgments against companies yet.