Vardenafil belongs to a group of medicines that delay the action of enzymes called phosphodiesterases that can interfere with erectile function. Vardenafil is used to treat men with erectile dysfunction (also called sexual impotence) because it increases blood flow to the penis during sexual stimulation. Without physical stimulation of the penis, vardenafil will not work to cause an erection. Vardenafil is not indicated for use in women.
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