How is Finasteride different from Propecia? Patient Care March 19, 2020 18:29 Updated Finasteride is the generic name for Propecia. Chemically, it is the same medication and works the same way in the body. Related articles Possible side effects of Finasteride How does Finasteride work? How long does Finasteride take and what results can I expect? Why shouldn’t women use Finasteride? I'm using minoxidil. Can this shampoo be combined with it?