Eriacta 100 mg contains the active ingredient sildenafil citrate, which is a PDE5 inhibitor commonly used to treat erectile dysfunction (ED) in men. Sildenafil works by improving blood flow to the penis, allowing for an erection to occur when sexually stimulated. Sildenafil works by blocking the PDE5 enzyme, which typically reduces the level of cyclic GMP. Cyclic GMP is responsible for relaxing the blood vessels in the penis and allowing blood flow.
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