Vardenafil is found as an active ingredient in the name of vilitra tablet. Used to treat men suffering from erectile dysfunction. The effect of this drug lasts for 4 to 6 hours. Take this medicine one hour before sexual intercourse. So you can see the good effect of vilitra 20. Take this medicine orally with water. Do not break or chew this medicine. Do not take this medicine with heavy food as well as with drinks like alcohol. Because it reduces the effect of the drug.