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Sildenafil: The Ultimate Resource for Safe Usage, Benefits, and Expert Advice What Is Sildenafil? Understanding the Popular Erectile Dysfunction Treatment Sildenafil is a widely prescribed medication best known by its brand name, Viagra. Originally developed in the 1990s, Sildenafil is a breakthrough phosphodiesterase type 5 (PDE5) inhibitor that transformed the management of erectile dysfunction (ED). […]