Vilitra 20 mg is an incredible drug that is used to treat erectile dysfunction. Erectile dysfunction is a disease that is common among men over the age of thirty. The solution is a prescription containing a generic drug. The generic drug is called vardenafil citrate. Vilitra 20 is a drug that is effortlessly available online and anyone can get this drug. You can take this medicine before or after food. The effect of this medicine lasts for 4 to 6 hours.