These include itraconazole Sporanox, Tolsura , ketoconazole Extina, Ketozole, others and ritonavir Norvir. An erection results from an increase in blood flow to the penis. You should also call your insurance company to see if they cover erectile dysfunction medications. You’ll also need to fill out a medical questionnaire with answers about your medical history, current medications, and lifestyle habits. They have the same benefits and risks as their brand-name counterparts.Find patient medical information for Levitra oral on MD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. For now, we’ll check out the oral options available by prescription only. The oral prescription meds used to treat ED are called PDE-5 inhibitors. ED pills are sold under brand names . Vardenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil w.