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 citrate, or simply sildenafil, is the active ingredient in the brand-name drug Viagra. Sildenafil is known as generic Viagra because retailers do not sell it under the Viagra brand name.