Zhewitra 20 mg is a medication used to treat erectile dysfunction (ED) in men. It contains Vardenafil, which is a PDE5 inhibitor (phosphodiesterase type 5 inhibitor). PDE5 inhibitors are commonly prescribed for erectile dysfunction, as they help improve blood flow to the penis, making it easier to achieve and maintain an erection during sexual stimulation. Vardenafil, the active ingredient in Zhewitra 20 mg, works by blocking the enzyme PDE5, which typically breaks down cGMP (cyclic guanosine monophosphate).

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