Erectile Dysfunction Info!

Basically, erectile dysfunction is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis. There are various underlying causes, such as cardiovascular leakage and diabetes, many of which are medically treatable. Nerve trauma from prostatectomy surgery can cause chronic erectile dysfunction. In fact, the common cause of erectile dysfunction may be physiological or psychological. There are a lot of medicines that are available in the market, just to augment this dysfunction. One of which that are widely use is the so cold viagra. This is a potent and selective inhibitor of phosphodiesterase which is responsible for degradation of cGMP (cyclic guanosine monophosphate) in the corpus cavernosum. The molecular structure of sildenafil is similar to that of cGMP and acts as a competitive binding agent of PDE5 in the corpus cavernosum, resulting in more cGMP and better erections.