Cenforce 100mg is a powerful prescription medication used to treat erectile dysfunction. It is the active ingredient in a number of popular erectile dysfunction medications, including Viagra, Cialis, and Levitra. Cenforce 100mg is a phosphodiesterase type 5 inhibitor (PDE5-I) medication, meaning it works by inhibiting the action of the enzyme phosphodiesterase type 5 (PDE5), allowing for increased blood flow to the penis. Unlike other erectile dysfunction medications, Cenforce 100mg is taken orally, usually as a single dose of 100 mg.