Sildenafil 100mg is a type of PDE-5 inhibitor is a component that has been shown to act for a long time. Cenforce 100 is used for the treatment of ED. Sildenafil, the active ingredient in Cenforce 200, and fildena 100 are the same PDE-5 inhibitors, but vidalista 60 and vidalista 20 has the long-lasting characteristic.