Sildamax is composed of Sildenafil citrate, which is a potent PDE5 inhibitor that acts to remove contractions in the blood vessels to improve blood flow in the entire body, including to the penile organ. The working of PDE5 inhibitors is complicated. It efficiently works to boost erection in a man. It helps to stop the degradation of the cyclic Guanosine Monophosphate (cGMP) by the enzyme. Sildamax pill works well for those who have normal sexual libido. This drug acts to enhance the secretion of vasodilators that helps to increase blood augmentation to the male organ.