Vilitra 20 pills are used by men who suffer from erectile dysfunction or impotence. Vardenafil is present in this medicine. Vardenafil citrate in this medicine works by increasing the amount of blood in the penile area in men which helps the man to get and maintain an erection and can cure their disease. This medicine is taken one hour before sex. This medicine is taken only once in 24 hours. This drug will give you the pleasure of having sex with your partner for 4-5 hours.