Vardenafil , the active ingredient in Vilitra, is one of the most often prescribed medications for male erectile dysfunction. A lot of men now believe that taking the medication Vilitra will cure their erectile dysfunction. Vilitra is available with a prescription.You may experience an extended period of erection after taking the drug due to its potency. Men with erectile dysfunction (ED) may be able to achieve and sustain an erection with the aid of Vilitra. This product is an FDA-approved medication that, when taken, relaxes blood vessels to improve blood flow. Here is a list of extra vardenafil dosages for this medication.