reflex sympathetic dystrophy, Sudeck's atrophy, causalgia (minor and major), . prednisone given in pulse fashion (start high, taper quickly).
has been suggested that mild CRPS occurs in up to severe chronic CRPS, however, is rare, with a prevalence .. using oral prednisone 10 mg thrice.
In a small study they were found to be helpful. However, they had no appreciable effect in a small study of children with complex regional pain syndrome (CRPS).