Viagra, the brand term for the drug sildenafil, has revolutionized treating erectile dysfunction (ED) since its introduction in the late 1990s. Well known as the first oral... moreViagra, the brand term for the drug sildenafil, has revolutionized treating erectile dysfunction (ED) since its introduction in the late 1990s. Well known as the first oral medication of its kind, Viagra has offered a renewed sense of hope to an incredible number of men round the world. In this information, we shall delve into the important thing areas of Viagra, including its mechanism of action, usage, potential unwanted effects, and other important considerations.The Origins of Viagra:Viagra was produced by Pfizer scientists seeking a medication for hypertension and angina. During clinical trials, surprise side effect became apparent – a significant improvement in erectile function. This discovery generated the development and subsequent release of Viagra as an oral treatment for ED.How Viagra Works:The active component in Viagra, sildenafil, is really a phosphodiesterase type 5 (PDE5) inhibitor. Its primary function is to improve the results of nitric oxide, a chemical that relaxes smooth... less