Silagra 100 mg tablet is taken by cases who suffer from Erectile Dysfunction. The medicine Silagra contains Sildenafil citrate that works by enabling blood to flux to the penis. The medical condition is known as Erectile Dysfunction and occurs when a man is unfit to get or sustain his construction for a long time. There are numerous causes of this complaint and they can be fleshly or cerebral. Silagra works by serving the muscles in the penis to relax. This allows fresh blood to flux into the system.