Penegra 50 mg is a prescription medication containing Sildenafil Citrate, primarily used to treat erectile dysfunction (ED) in men. It belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Penegra 50 mg functions by inhibiting the PDE5 enzyme, leading to the relaxation of smooth muscles and dilation of blood vessels in the penis. This process enhances blood flow, facilitating an erection in response to sexual stimulation. It's important to note that sexual arousal is necessary for the medication to be effective.
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