what is Levitra ?
LEVITRA is the brand name for the generic medicine, Vardenafil, so they are the same thing.<br /><br /> Vardenafil blocks the action of an enzyme known as specific phosphodiesterase type 5,<br /><br />which enhances nitric oxide release, which increases blood flow into the penis making an erection hard enough, to have sex.<br /><br />They only work, when you are sexually stimulated, but they have been proven, to help men with all degrees of erectile dysfunction.