Alvitra 20 mg is a prescription drug used to treat men's erectile dysfunction. This medication contains generic Vardenafil, which is known for increasing men's ability to enjoy a joyful sexual life. Vardenafil belongs to the class of phosphodiesterase type 5 inhibitors, which act as enzyme inhibitors to promote erection in males. This medication is available in tablet form and is both safe and effective in treating erectile dysfunction. It works for practically all guys because of its quick action and durability.