Levitra - the main component - the active agent Vardenafil which promotes strengthening of blood circulation in generative organs of men. It allows to reach a high level erection at sexual stimulation, and also to increase sensitivity of head of a penis and to make sexual intercourse longer and more pleasant. The main feature of a drug Levitra - quickness of effect, duration of impact on an organism up to 12 hours and a very small number of side effects.