Vilitra 20 is used to treat impotence in men. Men should take this medicine 30 minutes before intercourse. The effect of this drug lasts for 5 hours. This medicine contains an ingredient called vardenafil which helps to increase blood flow to the penile tissues of a man. Take this medicine with water but do not break or chew the medicine. There are also side effects of this medicine so take this medicine as advised by the doctor. You can visit pharmev.com for more information.