Vilitra 20 mg Tablet is used to treat erectile dysfunction in men. It increases blood flow to the penis to help men get an erection. It works by helping the blood vessels in your penis to relax, allowing blood to flow to your penis when you are sexually aroused. This medicine lasts for 4 to 6 hours. This medicine is only taken by men aged 18 to 65 years. Take this medicine as advised by the doctor. You take this medicine with water. You can take this medicine before or after food.