Complex regional pain syndrome (CRPS) is a chronic pain disorder that typically develops after an inciting event, such as trauma or surgery [1]. It is characterized by disproportionate pain that persists over time and usually affects the distal extremities [1]. CRPS presents with a range of sensory, motor, vasomotor, sudomotor, and trophic signs and symptoms, that exceed the level that would be expected following the precipitating event [2]. Current research suggests that CRPS is a multi-mechani…