[E]very day I receive more and more emails from young men whose lives have been changed by finasteride. Maybe you think I’m exaggerating. I didn’t believe it either, until 10 years ago, when I started seeing more men with PFS… I advise you once again to never use [finasteride] to treat hair loss. Although nobody knows how many men it impacts, its effects are devastating.
—What is Post-Finasteride Syndrome? VigoraClinic.com, April 30, 2020