The specific process for getting ED pills online depends on your chosen provider. Online pharmacies can be broadly categorized as: Mail-order pharmacies are operated by pharmacy benefits managers PBMs on behalf of health insurers or providers. It’s available in 10 mg and 20 mg tablets. This increased blood flow can cause an erection. Blood pressure and pulse were evaluated over the 6-hour interval after vardenafil dosing.You can now get common men’s health medications like Sildenafil and Tadalafil for less at your local Walgreens pharmacy. Check prices You’ve likely heard of Viagra, Cialis, vardenafil (previously sold as Staxyn and Levitra), and Stendra. Levitra is not a cure for ED and you still need to be aroused for the medication to work. Levitra and its generic version (vardenafil) are available in doses of: milligrams. 5 milligrams. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide.