This article was reviewed by Kelly Brown MD, MBA. Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original medication for ED. Most ...

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 ...

Viagara can take about a half hour to start working and may work for a couple of hours, or longer, depending on certain factors, including your metabolism. Sildenafil is a common medication used to ...