14 citations
,
February 2011 in “Drug Metabolism and Disposition” Ketoconazole increases finasteride's effectiveness and lifespan in the body.
10 citations
,
May 2010 in “Analytica Chimica Acta” New tests detect finasteride and dutasteride in urine quickly and easily.
28 citations
,
January 1991 in “Reproductive Toxicology” Finasteride temporarily lowers male rat fertility without affecting libido.
60 citations
,
December 1998 in “Clinical Pharmacology & Therapeutics” Both drugs lower DHT levels, with GI198745 being more effective.
September 2025 in “PubMed” Prevent persistent hair loss after chemotherapy with scalp cooling and early minoxidil use.
January 2025 in “Expert Opinion on Pharmacotherapy” Dutasteride is more effective than finasteride for hair loss but may affect male fertility and should be used cautiously.
December 2025 in “Actas Dermo-Sifiliográficas” Use a combination of oral dutasteride, topical treatments, and hydroxychloroquine to manage frontal fibrosing alopecia.
November 2024 in “Journal of Family Medicine and Primary Care” 5 alpha reductase inhibitors can cause sexual, cognitive, and muscle side effects, and may slightly increase aggressive cancer risk.
November 2023 in “Expert Opinion on Pharmacotherapy” Finasteride and dutasteride are effective in treating male hair loss but can cause sexual side effects and birth defects.
2 citations
,
January 2017 in “Annals of Dermatology” Taking 5-alpha reductase inhibitors does not increase breast cancer risk in men.
8 citations
,
April 2021 in “Journal of Clinical Investigation” Finasteride reduces opioid use and withdrawal symptoms in animals.
January 2018 in “International Journal of Medical Research and Health Sciences” Finasteride reduces blood loss and the need for blood transfusions during and after TURP surgery.
1 citations
,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
February 2026 in “Case Reports in Dermatology” Finasteride can cause melasma, especially in people with darker skin.
2 citations
,
March 2020 in “Baghdad Science Journal” Finasteride effectively reduces DHT and E2 levels, helping with prostate enlargement.
January 2026 in “Journal of the American Academy of Dermatology” 5-alpha reductase inhibitors do not increase osteoporosis risk in women with certain hair loss conditions.
218 citations
,
December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
147 citations
,
April 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride safely lowers DHT levels without affecting testosterone.
21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
1 citations
,
June 2025 in “European Journal of Clinical Pharmacology” Finasteride may increase the risk of suicidality and depression, especially in younger people.
October 2022 in “Revista Eletrônica Acervo Médico” 5-Alpha-Reductase Inhibitors can cause negative side effects.
December 2023 in “Alzheimer's & dementia” Finasteride may help reduce anxiety and depression in elderly but might cause depression in young men.
December 2023 in “Alzheimer's & Dementia” Long-term use of a drug for hair loss and prostate issues can cause metabolic problems and depression-like behavior in young male rats.
4 citations
,
August 2021 in “Biomedicine & Pharmacotherapy” 5-alpha reductase inhibitors, like finasteride and dutasteride, may cause depression, but more research is needed to understand why.
March 2023 in “Translational Andrology and Urology” 5-alpha reductase inhibitors, like finasteride and dutasteride, are used for prostate issues, hair loss, and excessive hair growth, may help with COVID-19, but can cause sexual and mental health side effects, and their use in preventing prostate cancer needs more examination.
28 citations
,
May 2018 in “Scientific reports” Exercise improves insulin sensitivity and hormone regulation in PCOS rats.
21 citations
,
March 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may help stabilize or slow down hair loss in some frontal fibrosing alopecia patients, but more research is needed to confirm their effectiveness and safety.
21 citations
,
August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
15 citations
,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect erections much, but may decrease libido in men.
6 citations
,
August 2021 in “Clinical Epidemiology” Men using 5-alpha reductase inhibitors for prostate issues may have a slightly higher risk of blood clots.