It depends on the platform and insurance provider. Some platforms have a digital pharmacy that ships the medication to your home, while others send an electronic prescription to your local pharmacy. The mechanism of action for ED pills is simple: They inhibit the PDE5 enzyme which regulates the signals responsible for the smooth muscle tissue. Most erectile dysfunction medications belong to the drug class known as PDE5 inhibitors , which help relax the muscles and increase blood flow to allow for a full erection. The specific process for getting ED pills online depends on your chosen provider. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. First and foremost, be sure that whichever online pharmacy you choose is legitimate, safe, and secure.Compare prices and print coupons for Cialis (Tadalafil (Cialis)) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ Yes. Cialis is approved by the FDA to treat erectile dysfunction (ED). Our medical team can prescribe Cialis 5mg, 10mg, and 20mg. The starting dose we generally recommend is . Don’t take more than one dose of tadalafil (Cialis) unless instructed by your provider. Doing so could lead to more side effects like low blood pressure, dizziness, and vision .