Never purchase ED medications from a site or service that doesn’t require a prescription and medical documentation. That’s not to say there aren’t just as many illegitimate sites. Your clinician will determine erectile dysfunction treatment plans, prescriptions, and number of refills if any based on your symptoms and health history. Do erectile dysfunction medications work? The most effective medication for ED will be the one that fits your lifestyle and has the best safety profile for your unique body. Erectile dysfunction medications require a prescription from a licensed provider.Transfer your prescription for Vardenafil (Generic for Levitra, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime members. Men, ages FSA or HSA eligible. Get erectile dysfunction (ED) treatment from an online doctor or NP when you need it. Request a prescription for ED medication like sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra). Amazon Clinic is virtual care on your schedule, from trusted telehealth providers, with upfront pricing. It’s no longer sold under the brand name Levitra, but it’s available as generic tablets and orally disintegrating tablets (ODTs). Common side effects of vardenafil include headache, flushing, and stuffy test1.rug: amazon.