CRPS type I was previously known as reflex sympathetic dystrophy (see also Complex Regional Pain Syndrome: Treatment Guidelines), and type II was known as causalgia.
CRPS type I trước đây được gọi là chứng loạn dưỡng phản xạ giao cảm (xem thêm Complex Regional Pain Syndrome: Treatment Guidelines), và type II được gọi là đau cơ.