Zhewitra 40 mg is a medication used to treat erectile dysfunction (ED) in men. It contains vardenafil, a type of phosphodiesterase type 5 (PDE5) inhibitor that helps improve blood flow to the penis, facilitating an erection in response to sexual stimulation.Works by inhibiting the PDE5 enzyme, which leads to increased levels of cGMP (cyclic guanosine monophosphate). This relaxation of smooth muscles and increased blood flow help achieve and maintain an erection.
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