vilitra is a medication used to treat erectile dysfunction in men. The active ingredient in vilitra, vardenafil, relaxes the muscles of the penis tissue in men. this tablet can be taken before or after meals. It can be taken 30 minutes to 1 hour prior to sexual intercourse. The effects of the medication last 4 to 6 hours. For optimal results, take one pill approximately thirty to forty minutes before engaging in sexual activity. Large meals and alcohol consumption should be avoided when using this medication.