"To find a support group for those with reflex sympathetic dystrophy, you can try the Reflex Sympathetic Dystrophy Syndrome Association, where they can help you fully."

"Reflex Sympathetic Dystrophy usually affects the skin and blood vessles. However, it can easily affect any part of the body."

Reflex Sympathetic Dystrophy Syndrome

reflex sympathetic dystrophy (RSD) was noticed during the civil war in patients who suffered pain following gunshot wounds that affected the median nerve (a major nerve in the arm).

http://www.rsdrx.com/rsdpuz4.0/puz_34.htm