This medication is taken with or without food an hour before sex. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. A phone or video consultation is sometimes required for legal purposes. This allows the smooth muscles in the penis to relax and fill with blood. Online ED consultations offer privacy, convenience, and affordability while allowing you to quickly get the medications you need—the same day, with some services. It might work longer if you have mild to moderate erectile dysfunction. This information is reviewed by a licensed practitioner who will assess your eligibility for the medication.Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and . Depending on your symptoms and needs, you may be prescribed Viagra, sildenafil, Cialis, tadalafil, Stendra, paroxetine, or a combination of tadalafil and sildenafil, available as . Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes .