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

How does Viagra work? Viagra works by inhibiting an enzyme in the body known as PDE5, short for phosphodiesterase type 5. This enzyme breaks down crucial chemicals involved in the erection process.

Cost: Branded Viagra is priced at $96 per dose regardless of the milligram dosage, and you can work with your prescriber to find the dosage that’s right for you. Sildenafil is also available ...

The FDA also doesn’t test supplements for purity or quality like it does ... work for you. The search for a cure for erectile dysfunction (ED) dates back way before the introduction of Viagra ...

Nitrates work by lowering blood pressure, as does Viagra, so if they are combined blood pressure could drop so low that not enough blood reaches the heart. The drug has revolutionised treatment ...

But why does the US defence department spend so much ... but the newspaper also reported that $294m had been spent on Viagra, Cialis and other such medications since 2011. It pointed out that ...

How does Viagra work? LISTEN: Doctor explains his role in creating Viagra Buying Viagra: What you should know Six ways to cope with erection problems At the start of the 1990s, drug company Pfizer ...