Vilitra 20 Tablet is designed to treat men suffering from erectile dysfunction and impotence. It is the best medicine to treat men suffering from impotence. The effect of Vilitra 20 medicine lasts for 4-5 hours. Vilitra 20 men should take the medicine 30 minutes before sexual intercourse. You should not eat heavy food while taking this medicine. Vilitra 20 tablets should be taken as prescribed by the doctor before taking it. These tablets are said to be taken in different doses.