What is vardenafil? Vardenafil is used in adult men to treat erectile dysfunction (impotence). Vardenafil may also be used for purposes not listed in this medication guide. Levitra (vardenafil) belongs to a class of medications called phosphodiesterase (PDE) inhibitors. Vardenafil relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Vardenafil belongs to a group of medicines, known as phosphodiesterase-5 (PDE-5) inhibitors, which are used to treat erectile dysfunction or pulmonary arterial hypertension. Vardenafil Tablets Vardenafil is a medication that treats erectile dysfunction. ED is the inability to achieve and sustain an erection suitable for sexual intercourse. This medication works by increasing blood flow to your penis, which helps you maintain an erection. Levitra (Vardenafil HCl) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Vardenafil is FDA approved to treat erectile dysfunction (ED). It works by allowing more blood to flow to your penis and making it easier to achieve an erection. Generic vardenafil is equally as. Vardenafil is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Vardenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. [1][2] It is a PDE5 inhibitor. [1] It is taken by mouth. It is important that you tell all of your doctors that you take vardenafil. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took vardenafil. Information about the drug vardenafil (Levitra, Staxyn ODT), prescribed for the treatment of impotence (erectile dysfunction). Side effects, dosing, and drug interaction information is included.