March 2026 in “Journal of Sustainable Veterinary and Allied Sciences” The dog fully recovered after treatment for skin and tick-borne infections.
218 citations
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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.
124 citations
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March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
66 citations
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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.
57 citations
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July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
51 citations
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May 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Certain drugs that block specific enzymes can help treat prostate diseases.
50 citations
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March 2017 in “PeerJ” Using finasteride or dutasteride may cause long-lasting erectile dysfunction.
46 citations
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October 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively treats male pattern hair loss with a 1 mg daily dose.
44 citations
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January 2013 in “International Journal of Trichology” Finasteride 5 mg/day effectively treats hair loss in postmenopausal women without hyper-androgenism.
44 citations
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January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
38 citations
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January 2002 in “Biological & Pharmaceutical Bulletin” Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
35 citations
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April 2013 in “Sexual medicine reviews” 5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.
34 citations
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August 2011 in “Journal of Natural Medicines” Puerariae Flos extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
34 citations
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February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
33 citations
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January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
29 citations
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July 2012 in “The Journal of Sexual Medicine” Rats had lasting erectile problems after stopping a certain medication.
27 citations
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May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
25 citations
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February 1989 in “The Journal of Clinical Pharmacology” This document studied minoxidil in healthy volunteers. Minoxidil is quickly absorbed and eliminated from the body.
24 citations
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September 2020 in “Dermatology and therapy” Oral minoxidil 5 mg daily increases hair growth safely in men with hair loss, with minor side effects.
20 citations
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March 2005 in “Current Medicinal Chemistry” New compounds show promise for treating hair loss, enlarged prostate, and prostate cancer, with some being more effective and having different side effects than current treatments.
20 citations
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December 1995 in “Journal of Chromatography B: Biomedical Sciences and Applications” Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
19 citations
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April 2020 in “Dermatologic Therapy” Dutasteride works better than finasteride for hair loss, with both being safe to use.
17 citations
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December 2018 in “The World Journal of Men s Health” Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
17 citations
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June 2012 in “European journal of medicinal chemistry” New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
13 citations
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January 2017 in “Chemical & Pharmaceutical Bulletin” Certain compounds, especially those with a propionic substituent, could potentially be new treatments for hair loss and similar disorders.
9 citations
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October 1993 in “The Journal of Clinical Pharmacology” Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.
5 citations
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August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
2 citations
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May 2019 in “PubMed” Oral finasteride and dutasteride may negatively affect erectile function in rats.
1 citations
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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.
January 2026 in “Frontiers in Natural Products” Combining shikimic acid and Prunus mume extract may effectively treat acne naturally.