Viagra is so popular that its name has become synonymous with ED treatment — just like Ziploc has with plastic bags. But the active ingredient in Viagra is sildenafil. Pfizer Pharmaceuticals patented ...

Sildenafil is a generic drug used for erectile dysfunction and pulmonary arterial hypertension. It is available as the brand-name drugs Viagra and Revatio. Sildenafil’s cost with and without insurance ...

Sildenafil is a generic prescription drug that’s used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Sildenafil is available as the brand-name drugs Revatio and Viagra.

Sildenafil, which is also called sildenafil citrate, comes as an oral tablet. The drug also comes as an oral liquid suspension and IV infusion. However, this article does not cover these forms. It ...

This article was reviewed by Lynn Marie Morski, MD, JD. Viagra® may be known as the “little blue pill,” but there’s nothing little about its ability to help men struggling with ED. Over the years, ...

Sildenafil is a selective inhibitor of phosphodiesterase 5 resulting in arterial vasodilation. Previous studies showed that oral sildenafil may act as a potential therapy in infants with severe PPHN.