Causalgia

**Definition:** A complex regional pain syndrome characterized by burning pain and marked sensitivity to touch (HYPERESTHESIA) in the distribution of an injured peripheral nerve. Autonomic dysfunction in the form of sudomotor (i.e., sympathetic innervation to sweat glands), vasomotor, and trophic skin changes may also occur. (Adams et al., Principles of Neurology, 6th ed, p1359)

**Tree numbers:** - C10.177.195.200 - C10.668.829.250.200 - C10.668.829.600.200

**Synonyms:** - Causalgia Syndrome - Complex Regional Pain Syndrome Type II - CRPS Type II - Deafferentation Pain - Type II Complex Regional Pain Syndrome