Impotence can be refer as the term erectile dysfunction and it can be defined as the inadequate blood flow in the genitals to have erection. Cenforce 50 is a wonder drug and Specifically, this drug belongs to the drug class of PDE5 inhibitors (selective and reversible phosphodiesterase type 5 inhibitor). Cenforce has vital substance sildenafil citrate. This chemical is necessary to improve the blood circulation.