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. What is this medication? VARDENAFIL (var DEN a fil) treats erectile dysfunction (ED). It works by increasing blood flow to the penis, which helps to maintain an erection. Vardenafil is taken by mouth up to once a day, at least 60 minutes before sexual activity. It works for up to 4 hours. It can be taken with or without food. Your provider will decide the dose that is best for you. Some men need dose changes to find the dose that works best for them. 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. Levitra (vardenafil hydrochloride) is an erectile dysfunction agent that works by blocking a certain enzyme (phosphodiesterase-PDE5) used to treat erectile dysfunction (impotence). Effective for ED only in the presence of adequate sexual stimulation. Administer orally, no more than once daily, without regard to meals. Administer approximately 1 hour before anticipated sexual activity. Available as vardenafil hydrochloride; dosage expressed in terms of vardenafil. 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. 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. 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. Vardenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Vardenafil does not cure erectile dysfunction or increase sexual desire.