Tadalafil drug is a medication that is used to treat erectile dysfunction (such as impotence) by blocking a certain enzyme in the body. In combination with sexual stimulation, Tadalafil helps blood flow into the penis to achieve and maintain an erection. Tadalafil drug relaxes muscles and increases blood flow to particular areas of the body. Generic Cialis (Tadalafil) may also be used for purposes other than those listed in this medication guide. |