Despite multiple randomized controlled trials and meta-analyses documenting an increased rate of adverse sexual events in men treated with finasteride for either androgenic alopecia or benign prostatic hypertrophy, 29% of dermatologists thought that this was unlikely and 20% were uncertain. Fewer than a quarter believed that finasteride could cause depression or lower sperm counts.
Irwig MS, Sanz J, Lin D, Tan N, Dommasch E, IJIR, 2023, Aug. 4. https://doi.org/10.1038/s41443-023-00750-0. [International Journal of Impotence Research]