[T]here is no known treatment for lifelong PFS. Perhaps worst of all, despite that fact that it is the minority of men who are so drastically affected, there is no way to predict who will or won’t suffer the aftermath of taking finasteride. However, PFS is now so prevalent that it has its own foundation, the Post-Finasteride Syndrome Foundation, where you can acquire a great deal of sobering information, enough to make you wonder why anyone would take the drug to begin with. We believe the warnings about finasteride are justified.
—BPH? No Fun. Balding? Yuck. But Nobody Warned Me about Finasteride! SperlingProstateCenter.com, Aug. 30, 2018