Vilitra 20 mg is a drug that helps men with erectile dysfunction if and when used properly. It essentially helps every man in better erection quality and subsequently better sex. The main ingredient in this medicine is Vardenafil. This medicine works by relaxing muscles and increasing blood flow. This drug should only be used by men 18 and older. If more fluids are taken with this medicine, the effectiveness of the medicine is increased. The effect of this medicine lasts for about 36 hours.