Manforce 50 mg pills incorporates Sildenafil which belongs to the organization of drug treatments called Phosphodiesterase kind 5 (PDE 5) inhibitors. It is used to deal with erectile disorder in men. Erectile disorder (also called impotence) is a sexual condition in which a man can't maintain a hard erected penis which is required for ordinary sexual pastime. It takes place because of decreased blood Flow to the penis which is precipitated due to narrowing of the blood vessels presenting the penis. Sildenafil improves penile erection (make penis firm) for the duration of sexual sex.