October 2010 in “Journal of Men's Health” Some patients may experience lasting sexual dysfunction, depression, and other side effects from 5α-reductase inhibitor therapy.
September 2014 in “PubMed Central” BPH treatments can cause sexual side effects affecting quality of life.
3 citations
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October 2015 in “PubMed” Most men stopped using the hair loss treatment not because of sexual side effects, but because they didn't see positive results.
35 citations
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June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
11 citations
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August 2014 in “Current Urology Reports” Medications for enlarged prostate can cause sexual side effects like reduced libido, erectile dysfunction, and ejaculatory problems.