Erectile dysfunction medications require a prescription from a licensed provider. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. Box , Mission, KS If your pharmacy does not participate, you may be able to submit a request for a rebate in connection with this Savings Offer. An erection results from an increase in blood flow to the penis. Be sure the one you choose works in your state. But you also deserve to do that safely.Online pharmacies allow you to fill prescription medications from the comfort of your home using a pharmacy site or an app rather than having to fill them in person. An online pharmacy can also offer you more cost savings and convenience. Your medications can be mailed to you directly and set to arrive on a fixed schedule (aka auto . Popular ED medications found online include: Viagra (sildenafil): As the first FDA-approved PDE5 inhibitor for ED, sildenafil is taken 30 minutes to four hours before sexual intercourse to help achieve and maintain an erection. It’s available in 25 mg, 50 mg, and mg tablets and lasts up to 18 hours. 1. Choose your meds. Sildenafil, tadalafil, Cialis Daily, and more. 2. Answer health questions. Including your blood pressure reading. 3. Medical team review. Some states require a video chat, we’ll let you know. 4. Get ED pills online. Delivery in days, next day available. Get started. What is erectile dysfunction (ED)?