Penegra 100 mg tablet is a prescription medicinal drug used to deal with erectile dysfunction (impotence) in men. It works via way of means of growing blood flow to the penis. This facilitates men to get or preserve an erection. Penegra 100 MG Tablet includes Sildenafil. It is higher referred to as the blue tablet. It is an controlling medicinal medicine used for the tratment of erectile dysfunction (ED) in men.