How Does Sildenafil Work? Understanding PDE5 Inhibition for ED Treatment
Sildenafil is a PDE5 enzyme inhibitor that works by allowing blood vessels to relax and expand, increasing blood flow to the penis when a man is aroused. This helps improve sexual performance for men with erectile dysfunction (ED). Since both Sildenafil and Viagra contain the same active ingredient, sildenafil citrate, they work in exactly the same way to achieve these effects.
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