malegra 200 mg
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malegra 200 mg belongs to the category of PDE-5 inhibitors. PDE-5 is an endogenous enzyme responsible for the breakdown of the messenger cGMP in blood levels. This messenger substance causes by the expansion of the blood vessels, That more blood flows into the erectile tissue. This will trigger the erection of the penis. In erectile dysfunction, however, the messenger cGMP is degraded too rapidly by the enzyme PDE-5, which in turn causes erectile dysfunction.