Vilitra 10 Vardenafil is also known by the Indian brand names Levitra, Staxin and Italian Vivanza. Vardenafil 10 mg is a prescription drug that treats erectile dysfunction in men. Erectile dysfunction is when a man is unable to obtain or maintain an erection. This usually happens because the arteries that carry blood to the penis are too narrow.Vilitra 20 Erectile dysfunction is a disorder that makes men unable to get along