Clinicians should pay greater attention to the psychological adverse effects of finasteride when prescribing them, especially in the younger population using the drug for hair loss.

This is the first analysis, to our knowledge, of suicidality and psychological adverse events in association with finasteride in VigiBase, an international pharmacovigilance database…These findings could raise concern that younger men with alopecia may be especially at risk for suicidality compared with the general population…Clinicians should pay greater attention to the psychological adverse effects of finasteride when prescribing them, especially in the younger population using the drug for hair loss.

—Investigation of Suicidality and Psychological Adverse Events in Patients Treated With Finasteride: JAMA Dermatology, November 2020