Vardenafil 20mg is a medication primarily used to treat erectile dysfunction (ED), a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis during sexual stimulation. This enhanced blood flow helps facilitate an erection.
One of the key aspects of Vardenafil is its ability to inhibit the action of the PDE5 enzyme, which is responsible for breaking down a substance called cGMP. Cyclic guanosine monophosphate (cGMP) is crucial for relaxing the smooth muscles in the blood vessels of the penis, allowing increased blood flow and the development of an erection. By blocking PDE5, Vardenafil helps to maintain higher levels of cGMP, promoting the desired physiological response.
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