Silagra 50 mg improves penile erection all through sexual intercourse, wherein sildenafil acts through enhancing the blood deliver to the penis. It works through blockading the consequences of positive enzymes (PDE 5) which limits blood go with the drift to the penis. As a result, it relaxes the blood vessels imparting the penis, improves penile feature and makes it live erected at some point of the system of sexual intercourse.