Malegra 25 mg, which contains sildenafil citrate as its active ingredient, is a medication used to overcome the problem of erectile dysfunction (ED) in men. Here's how Malegra 25 mg helps address ED: The primary mechanism of action of Malegra 25 mg is to inhibit the enzyme phosphodiesterase type 5 (PDE5). PDE5 is responsible for breaking down cyclic guanosine monophosphate (cGMP), a molecule that plays a crucial role in the process of achieving and maintaining an erection. When a man is sexually aroused, nitric oxide is released in the erectile tissue of the penis. This leads to the activation of an enzyme called guanylate cyclase, which increases the levels of cGMP. cGMP causes the smooth muscle cells in the blood vessels of the penis to relax, allowing them to dilate and increase blood flow to the erectile tissue. By inhibiting PDE5, Malegra 25 mg allows cGMP to accumulate in the erectile tissue, enhancing its ability to relax the smooth muscle cells in the penile blood vessels. This, in turn, promotes increased blood flow into the penis, which is necessary for the penis to become erect. When sufficient blood flows into the erectile tissue of the penis, an erection occurs in response to sexual arousal. It's important to note that Malegra 25 mg does not produce an automatic or unwanted erection; sexual stimulation is still necessary for the medication to work.
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