Sildenafil Citrate works by increasing blood flow to the genital area. It does this by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which is responsible for breaking down cyclic guanosine monophosphate (cGMP). cGMP is a substance that relaxes and dilates blood vessels in the genital region, leading to improved blood flow. This increased blood flow can enhance sexual arousal and sensitivity in women.

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