Understand the mechanism of action behind Viagra. Learn how it interacts with the body and supports certain medical conditions.

Feb 20, 2026 · Sildenafil (Viagra, Vybrique brands and generic) is used to treat erectile dysfunction (ED, impotence). It increases blood flow to the penis following sexual stimulation by blocking the enzyme …

Jan 7, 2026 · Viagra is a medication used to treat erectile dysfunction by improving blood flow to the penis. The drug is available in different dosages. The appropriate dose depends on factors like age,...

Jun 1, 2025 · This guide discusses how Viagra works to treat ED, beginning with a discussion of what causes ED before going into detail on what Viagra does to your body and what to expect from …

Jan 21, 2026 · Vardenafil. This medicine also works best when you take it an hour before sex on an empty stomach. As with sildenafil, a high-fat meal or alcohol keep the body from absorbing it as …

Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. It works if you have erection problems by temporarily increasing blood flow to your penis when you get sexually …

Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men.

Sep 13, 2023 · Viagra works by enhancing blood circulation to the penis, but only when there's sexual stimulation. This boost in blood flow triggers the potential for an erection, helping men with ED regain …

Dec 9, 2024 · Learn how Viagra works to treat erectile dysfunction, its benefits, and tips for effective use.

Sep 22, 2025 · Viagra is used to treat erectile dysfunction (ED). It is a brand name for sildenafil. Viagra (sildenafil) works by blocking the action of an enzyme known as cGMP-specific phosphodiesterase …