Finding an online ED provider can feel overwhelming. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. Some platforms have a digital pharmacy that ships the medication to your home, while others send an electronic prescription to your local pharmacy. Erectile dysfunction medications require a prescription from a licensed provider. 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.Roman is a telehealth prescription service and online pharmacy that provides prescription Cialis for ED and a host of other conditions, like hair loss, cold sores, and premature ejaculation. When. Was this helpful? How does Cialis work? Cialis works by increasing blood flow to the penis to help a person get and maintain an erection. It also blocks the PDE5 . AdLearn how to achieve peak erections safely using clinically proven ingredients. Male UltraCore is a premium erection pill designed to for erection size and test1.rury Leaders · Watch Video · Fully Equipped · Custom Formulation.