Cenforce D Extra Power is marketed as a combination product for men experiencing erectile dysfunction (ED) and premature ejaculation (PE). Products sold under this name are commonly described as containing sildenafil citrate and dapoxetine, but the exact strengths and formulation should be confirmed on the product packaging or prescribing information. Sildenafil is a PDE5 inhibitor that supports erections by improving blood flow to the penis during sexual stimulation. During arousal, nitric oxide increases levels of cGMP, which relaxes blood vessels in the penis.

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