Cenforce sildenafil is a prescription medication used to treat erectile dysfunction (ED) in men. It contains Sildenafil Citrate as its active ingredient, the same compound found in Viagra. Sildenafil Citrate is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing the blood vessels in the penis during sexual arousal, allowing more blood to flow into the erectile tissue. This results in a firmer and longer-lasting erection. Importantly, Cenforce sildenafil only works when the user is sexually stimulated; it does not increase sexual desire or cause automatic erections.