Sildenafil: Comprehensive Overview, Uses, Dosage & Expert Insights What is Sildenafil? Understanding the “Blue Pill” Sildenafil is a well-known prescription medication, famously branded as Viagra®, Revatio®, and under various generics. Primarily, it is used to treat erectile dysfunction (ED) in men and pulmonary arterial hypertension (PAH) in both men and women. Since its FDA approval […]