Suhagra 100 mg contains Sildenafil which belongs to a gaggle of medicines called phosphodiesterase type 5 (PDE5) inhibitors. it's accustomed treat adult men with impotence, also referred to as impotence. It happens when a person cannot get, or keep a tough, erect penis suitable for gender. ED (ED) is inability of men to achieve and maintain an erect penis with sufficient rigidity to permit sexual issues. This medicine works by helping to relax the blood vessels in penis, allowing blood to flow into penis once you get sexually excited.