READ MORE PROPECIA LEGAL NEWS
The plaintiffs claim that DHT is critical to male sexual performance and that Merck should have known this, according to the lawsuit.
Additionally, according to the complaint, the men claim that while Propecia's label was updated overseas to include the risk of persistent erectile dysfunction after stopping use of the drug, that update was not made in the US.
In the suit, the men, who come from seven different states and the District of Columbia, are seeking punitive damages for product liability and negligence.
Propecia is a tablet that is typically taken once per day, according to the National Center for Biotechnology Information.