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 inhibits PDE5 and acts as a vasodilator (something that dilates blood vessels and increases blood flow). A single tablet of sildenafil can do that — typically, one dose is all that’s required ...
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