44 citations
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July 2011 in “Dermatologic Therapy” Finasteride effectively increases hair growth in men with AGA, works better for those over 30, and may cause some side effects.
13 citations
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November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
January 2017 in “Clinical pharmacist” Long use of finasteride and dutasteride can cause long-term erection problems.
10 citations
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October 2018 in “Sexual medicine reviews” Men using hair loss drugs like finasteride may experience sexual side effects like erectile dysfunction, but it's unclear who will be affected and when. Treating depression and sexual symptoms is suggested, as these men often have higher rates of both. More research is needed to understand why these side effects occur.
9 citations
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July 2011 in “The Journal of Sexual Medicine” Hair loss drugs like finasteride may cause lasting sexual and mood side effects, and more research is needed to understand these risks.