For more information, work with a member of our medical team who can order lab tests to look for any critical underlying problems. Sildenafil Viagra. We also looked at additional services, such as access to digital pharmacies and home delivery options. Drug interactions Finding the best treatment for erectile dysfunction means prioritizing your safety. You deserve to put ED behind you and to enjoy your sex life.Lemonaid can prescribe sildenafil (generic Viagra), tadalafil (generic Cialis), and vardenafil (generic Levitra). You can get a prescription online following a quick and easy visit with a member of our clinical team. Then the Lemonaid pharmacy, licensed in all 50 states, will ship your meds directly to your door in discreet packaging. Generic Viagra (sildenafil) is an alternative to the branded Viagra drug that can be used for treating erectile dysfunction (ED). It’s now sold by many manufacturers, including online. You should also avoid products you can buy online without a prescription that claim either to be generic forms of sildenafil or to contain sildenafil. (Sildenafil is the active drug in Viagra.