This medicine does not prevent the spread of sexually transmitted diseases such as human immunodeficiency virus HIV. Do not use any other medicine to treat impotence unless your doctor tells you to. Remove an orally disintegrating Staxyn tablet from the package only when you are ready to use the medicine. Staxyn vardenafil disintegrating tablets should not be used in place of Levitra vardenafil regular tablets. What sites do you recommend? What, if anything, seems to improve your symptoms? Call your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours.Drugs & Supplements. Levitra (Vardenafil) Generic Name: Vardenafil. Reviewed: March 21, Vardenafil is used in adult men to treat erectile dysfunction (impotence). Vardenafil may also be. · Levitra; Staxyn; Descriptions. Vardenafil is used to treat men with erectile dysfunction (sexual impotence). It belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works. Vardenafil, also known by the brand name Levitra, is a prescription medication that treats male erectile dysfunction. Erectile dysfunction is when a man is unable to get or sustain an erection.