Vilitra tablet is used to treat men suffering from erectile dysfunction. vardenafil is an active ingredient. Take this medicine one hour before sexual intercourse. And the effect of this drug lasts for 4 to 6 hours. You can take vilitra 20 with or without food, but if you take this medicine on an empty stomach, you will see a good effect of this medicine. Do not take this medicine if you are suffering from any other disease.