Complex Regional Pain Syndrome

Complex regional pain syndrome (CRPS) is a chronic condition characterized by severe pain following injury to bone and soft tissue. The International Association for the Study of Pain has divided CRPS into two types based on the presence of nerve lesion following the injury. Type I, also known as Reflex sympathetic dystrophy (RSD) or algoneurodystrophy, does not have demonstrable nerve lesions, while type II, also known as causalgia, has evidence of obvious nerve lesions. The cause of these ...