This is important for your overall health and safety, as certain medications can negatively interact with each other or cause existing conditions to worsen. Drug interactions Finding the best treatment for erectile dysfunction means prioritizing your safety. Rogue pharmacies are not licensed to sell in the United States and put you at risk of counterfeit or tainted drugs How Many Online Pharmacies Are There? Your health and wellbeing come first. 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’s available in 50 mg, mg, and mg tablets.In addition to Viagra, REX MD also offers brand-name Cialis and generic Cialis (tadalafil). Both Viagra and sildenafil are available in mg, mg, and mg doses. REX MD . Check prices. You’ve likely heard of Viagra, Cialis, vardenafil (previously sold as Staxyn and Levitra), and Stendra. These are commonly prescribed treatments for erectile . You may already know most of the names: Cialis, Levitra, Staxyn, Stendra, Viagra. Learn more about these medications that can help men with erectile dysfunction get and keep .