CRPS

What is Complex Regional Pain Syndrome?

Here are some great links:

http://www.ninds.nih.gov/disorders/reflex_sympathetic_dystrophy/detail_reflex_sympathetic_dystrophy.htm

http://www.rsds.org/2/what_is_rsd_crps/

http://www.cincinnatichildrens.org/health/c/rsd/