Fildena 150 inhibits a PDE-5 enzyme that helps stop cGMP loss due to the PDE-5 enzyme. After a man is successfully sensually aroused and his body releases nitric oxide, Fildena will help in the relaxation of compressed blood vessels around the genital. This causes enough blood to run towards the erectile organ for accomplishing and keeping the stiff erection for attaining satisfaction and pleasure in a complete lovemaking session without experiencing erectile disappointments.