Viagra: Enhancing Erections by Inhibiting PDE5 and Boosting cGMP
Reading Time: 2 minutes Introduction to Viagra Viagra, generically known as sildenafil, is a medication primarily used to treat erectile dysfunction (ED) in men. Since its approval by the FDA in 1998, it has become a cornerstone in the management of ED, offering hope and improved quality of life to millions of American men. This article aims to provide a comprehensive visual guide to understanding how Viagra works within the body, focusing on its physiological effects and mechanisms of action. The Physiology of an Erection To appreciate how Viagra functions, it's essential to understand the basic physiology of an erection. An erection occurs when...


