Sildamax 100 mg contains sildenafil citrate, an active ingredient that helps improve erectile function. Sildenafil works by inhibiting an enzyme called phosphodiesterase type 5 (PDE5), which is responsible for breaking down cGMP, a molecule that helps relax smooth muscles and increase blood flow to the penis. By inhibiting PDE5, Sildamax allows cGMP to remain active longer, which helps the blood vessels in the penis relax, increasing blood flow and facilitating an erection when sexually stimulated.
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