sildenafil viagra
Sildenafil (Viagra): A Comprehensive Guide to Understanding Its Uses, Benefits, and Risks Introduction Sildenafil, commonly known by its brand name Viagra, is a medication widely recognized for its ability to treat erectile dysfunction (ED). Since its approval by the FDA in 1998, Viagra has transformed the lives of millions of men struggling with ED. In this article, we will explore how sildenafil works, its benefits, potential side effects, and its broader applications beyond treating ED. What is Sildenafil? Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It was originally developed to treat hypertension and angina, but during clinical trials, it was found to be particularly effective in treating ED. Sildenafil works by increasing blood flow to the penis, which helps achieve and maintain an erection when sexually aroused. How Does Sildenafil Work? Sildenafil enhances the effects of nitric oxide, a natural chemical in the body that relaxes muscles in the blood vessels of the...