Fildena Professional is a medication used in the treatment of erectile dysfunction (ED) in men. It contains sildenafil citrate as its active ingredient, which is a phosphodiesterase type 5 (PDE5) inhibitor. Fildena Professional works by inhibiting the enzyme PDE5, which is responsible for the degradation of cyclic guanosine monophosphate (cGMP) in the penis. By inhibiting PDE5, the medication helps increase the levels of cGMP, leading to improved blood flow to the penile tissues during sexual arousal.

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