March 2017 in “European Urology Supplements” Gene differences affect finasteride side effects in men with hair loss.
27 citations
,
August 1999 in “Urology” Finasteride improves urinary function in men for 2 years.
3 citations
,
April 2021 in “Journal of Medicinal Chemistry” Finasteride may affect PNMT, causing side effects.
April 2005 in “The Journal of Urology” August 2018 in “Daehan binyogi jong-yang haksulji” Taking sildenafil and finasteride together is safe and improves urinary and sexual symptoms in BPH patients.
14 citations
,
November 2008 in “Expert opinion on drug metabolism & toxicology” Finasteride helps treat prostate issues and may prevent prostate cancer in high-risk men.
May 2023 in “The Journal of Sexual Medicine” Men with self-diagnosed PFS-related ED have normal erectile hemodynamics.
June 2024 in “International journal of impotence research” The author had undisclosed conflicts of interest related to the original article on post-finasteride syndrome.
6 citations
,
March 2015 in “Journal of Endocrinological Investigation” Taking both finasteride and dutasteride for prostate issues may raise the risk of heart problems.
November 2021 in “Evidencia” Young patients using finasteride may have higher risks of anxiety, depression, and suicidal thoughts.
581 citations
,
October 1998 in “Journal of The American Academy of Dermatology” Finasteride safely and effectively treats male pattern hair loss, but may cause reversible sexual issues and harm male fetuses.
5 citations
,
May 2011 in “Movement Disorders” Finasteride may help reduce tic severity in male Tourette syndrome patients.
1054 citations
,
February 1998 in “The New England Journal of Medicine” Finasteride reduces urinary issues and surgery need in men with enlarged prostates by over 50%.
April 2026 in “The Journal of Urology” Finasteride 1 mg/day reduces semen quality without affecting hormones or sexual function.
7 citations
,
May 2015 in “Journal of The American Academy of Dermatology” Finasteride helps treat frontal fibrosing alopecia, improving or stabilizing the condition in many patients.
November 2023 in “Clinical, Cosmetic and Investigational Dermatology” A man's rash caused by Finasteride improved after stopping the drug and starting new treatments.
Finasteride may cause breast enlargement in some men.
105 citations
,
January 2004 in “The Journal of Urology” Finasteride improves chronic pelvic pain, saw palmetto doesn't.
9 citations
,
August 1992 in “The Journal of Clinical Endocrinology and Metabolism” 
February 2012 in “Community oncology” Finasteride for hair loss may increase the risk of certain cancers and has side effects; better regulation and education on its use are needed.
December 2020 in “Current Sexual Health Reports” Finasteride can have lasting negative effects on brain function and behavior by disrupting neurosteroid production.
6 citations
,
January 2020 in “Dermatology” Finasteride may increase suicide risk; more research needed.
21 citations
,
January 2017 in “Dermatology Online Journal” Finasteride and dutasteride can cause sexual problems like impotence and low libido.
August 2021 in “Journal of The American Academy of Dermatology” Finasteride treatment changes hormone levels in male pattern baldness patients.
Long-term finasteride use may affect sperm structure and chromosomes.
15 citations
,
September 2014 in “JAMA Dermatology” 
February 1998 in “Inpharma Weekly” Finasteride helps 83% of men maintain or increase hair count.
January 2009 in “Acta urologica Belgica” Finasteride effectively treats BPH by reducing prostate size and improving symptoms.