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

Studies of selective phosphodiesterase type 5 inhibitors (sildenafil [Viagra], vardenafil [Levitra], and tadalafil [Cialis]) as therapy for women with sexual arousal disorder have produced mixed ...

In the ‘80s, researchers set out to test a medication called sildenafil citrate for treating high blood pressure and angina ...

It’s important to emphasize that Cialis does not cause an erection on its own; sexual stimulation is a necessary component for the medication to have an effect. While other PDE5 inhibitors, such as ...

Sildenafil and Vardenafil offer faster onset but shorter action ... Tadalafil is preferred for individuals seeking flexibility and longer durations of effectiveness. Tadalafil (Cialis) is a highly ...

Background This multicenter, randomized, double-blind, double-dummy, placebo-controlled trial primarily evaluated the efficacy of tadalafil once-daily (OaD) or on-demand ("pro-re-nata"; PRN ...