Fildena 200 mg is an effective medicine for erectile dysfunction. It is a chemical compound that works by relaxing the blood vessels in the genital area. It increases the cGMP levels in the penis. This increases the blood flow and helps to maintain a hard erection.
The active substance in Fildena is sildenafil citrate. It works by inhibiting the PDE-5 enzyme. This enzyme regulates cyclic guanosine monophosphate (cGMP) and affects the function of smooth muscle.