April 2012 in “The Journal of Urology” Male pattern baldness may predict prostate cancer risk.
October 2025 in “International Journal of Social health” Finasteride lowers PSA levels and prostate size, requiring adjusted PSA interpretation for accurate cancer screening.
Finasteride improves hair but may reduce sperm quality at higher doses.
20 citations
,
April 2012 in “Fertility and Sterility” Finasteride causes lasting fertility decrease in rats.
April 2026 in “The Journal of Sexual Medicine” November 2005 in “The Journal of Urology”
August 2023 in “Journal of The American Academy of Dermatology” Finasteride made hair thicker on the back of the head in men with hair loss.
September 2004 in “Urology” Finasteride may reduce prostate cancer risk.
January 2021 in “Korean Journal of Chemical Engineering” Higher pressure significantly reduces Finasteride particle size.
September 2009 in “European Urology Supplements” After prostate removal surgery, higher initial prostate size was linked to higher urethral PSA levels and more severe male pattern baldness.
55 citations
,
March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
4 citations
,
February 2018 in “Journal of Cosmetic Dermatology” Platelet-rich plasma injections made hair thicker for both men and women, with a greater effect in women.
January 2009 in “Acta urologica Belgica” Finasteride effectively treats BPH by reducing prostate size and improving symptoms.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
March 2024 in “Journal of the American Academy of Dermatology” Taking medication for hair loss might cause sexual problems.
1 citations
,
July 2012 in “Der Urologe” Finasteride effectively reduces prostate size and symptoms in most BPH patients.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
23 citations
,
March 2019 in “Plastic and Reconstructive Surgery – Global Open” BMI is not a significant predictor of complications after gender-affirming penile inversion vaginoplasty.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
66 citations
,
April 2017 in “International Journal of Andrology” Men taking 5α-reductase inhibitors for enlarged prostate have a higher chance of experiencing reduced sexual desire and erectile dysfunction.
15 citations
,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect erections much, but may decrease libido in men.
April 2007 in “Nature Clinical Practice Urology” Finasteride lowers PSA levels about the same whether taken at 1 mg or 5 mg daily.
19 citations
,
November 2012 in “BJUI” Left-handed men experience more sexual side effects from finasteride treatment.
3 citations
,
April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
March 2014 in “The Journal of Urology” Long-term treatment with finasteride or combined therapy worsens sexual function in men with urinary issues.
May 2022 in “Endocrine Abstracts” Finasteride may cause sexual dysfunction by reducing epinephrine levels.
June 2014 in “The Journal of Urology” 14 citations
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June 1995 in “The Journal of Clinical Endocrinology and Metabolism”
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.