Blocking 5α-reductase can reduce sleep deprivation-related behavioral issues in rats.
48 citations
,
July 2009 in “The Journal of Sexual Medicine” DHEA did not improve sexual function, well-being, or menopausal symptoms in postmenopausal women with low libido but caused side effects like acne and increased facial hair.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
December 2022 in “Scholars journal of applied medical sciences” Dutasteride 0.5mg improves hair growth in 78% of people with hair loss, but may cause sexual problems in some.
February 2026 in “European Urology”
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
5 citations
,
November 2015 in “Journal of Enzyme Inhibition and Medicinal Chemistry” Certain derivatives are more effective 5α-reductase type 2 inhibitors than finasteride.
3 citations
,
September 2023 in “International journal of impotence research” Post-finasteride syndrome causes lasting sexual, mental, and physical issues, needing more research for solutions.
December 2023 in “Revista Urología Colombiana / Colombian Urology Journal” More research is needed to find effective treatments for sickle cell disease-related priapism.
April 2019 in “The Journal of urology/The journal of urology” Prescriptions for 5-alpha reductase inhibitors dropped significantly after the FDA's safety warning, especially for men with benign prostatic hyperplasia.
50 citations
,
September 2016 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.
September 2018 in “Translational Andrology and Urology” June 2014 in “The Journal of Urology” 34 citations
,
January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
April 2019 in “The Journal of Urology” Some common medications can lower PSA levels in 45-year-old German men.
Finasteride reduces blood vessel formation in seminal vesicles.
1 citations
,
January 2011 in “Journal of Human Reproductive Sciences” Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
The FDA did not approve a testosterone drug because of safety concerns.
January 2005 in “Journal of Investigative Medicine” Testosterone boosts physical performance, grip strength, and lean body mass in older men with low testosterone.
1 citations
,
July 2017 in “The Journal of Urology” Low-dose finasteride and dutasteride reduce PSA levels by 27.8% in men with male androgenetic alopecia.
3 citations
,
April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
7 citations
,
May 2008 in “PubMed” Dutasteride is more effective than finasteride in reducing urinary retention and surgery risks in people aged 65 and older.
2 citations
,
May 2019 in “운동과학” Resistance exercise can reduce muscle protein issues caused by finasteride.
April 2026 in “Brain Sciences” Finasteride may cause depression and suicidal thoughts, especially in young men.
1 citations
,
September 2024 in “African Journal of Urology” Dutasteride is slightly better than finasteride for treating BPH but has fewer sexual side effects.
26 citations
,
March 2001 in “PubMed” Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
1 citations
,
September 2016 in “Actas Dermo-Sifiliográficas” 5-alpha reductase inhibitors may cause sexual side effects, breast complications, and other health risks in men with hair loss.
November 2023 in “Magna Scientia Advanced Research and Reviews” Trazodone might help reverse post finasteride syndrome.
4 citations
,
February 2022 in “The Journal of Urology” Poor sleep, physical health, depression, and anxiety can worsen urinary problems in men.
March 2025 in “Journal of Education Health and Sport” Finasteride can cause sexual and psychological side effects, but these usually reverse after stopping the medication.