Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original ...

Both are effective treatment options for ED and there are no differences between Viagra and sildenafil in terms of active ingredients. They both work in the ... but you do need one for Viagra.

How does Viagra work? Viagra works by inhibiting an enzyme ... it's not approved by the U.S. Food and Drug Administration (FDA) for use in women. However, there's a hypothesis that Viagra's ...

In the ‘80s, researchers set out to test a medication called sildenafil citrate for treating high blood pressure and angina (chest pain) from heart disease.