Some have petitioned the FDA to include post-finasteride syndrome as a ‘boxed warning.’ This is the most serious warning given about a medication.

In 2012, the FDA asked pharmaceutical manufacturers to update finasteride’s package insert. The FDA asked them to include a warning about side effects that can continue after stopping treatment. This warning is now mentioned in finasteride’s package insert. But that warning isn’t prominently featured. Some have petitioned the FDA to include post-finasteride syndrome as a “boxed warning.” This is the most serious warning given about a medication.

—What Is Post-Finasteride Syndrome?: October 27, 2021