CRPS Awareness / Complex Regional Pain Syndrome {CRPS} is a poorly understood, chronic neurological pain disease that is characterized by severe, relentless pain that affects between 200,000 and 1.2 million Americans and over 5 million worldwide! People w/CRPS endure many other aggravating symptoms besides pain, swelling, heat or coldness. These incl movement disorders such as muscle spasms, tremors, weakness, fatigue; emotional problems such as anxiety and depression. There is NO cure for CRPS.