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Genetic and Rare Diseases Information Center (GARD)

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Complex regional pain syndrome


Other Names for this Disease
  • CRPS
  • Reflex sympathetic dystrophy
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Overview

Complex regional pain syndrome (CRPS) is a chronic pain condition that mainly affects the arm or leg after an injury. The main feature of CRPS is continuous, intense pain that is out of proportion to the severity of the injury. The pain gets worse over time and often spreads throughout the entire affected arm or leg.  Other symptoms may include color and temperature changes of the skin over the affected area; skin sensitivity; sweating; and swelling. The underlying cause of CRPS is not known. Treatment aims to relieve pain and may include topical or oral medications; physical therapy; and/or a sympathetic nerve block.[1]
Last updated: 10/19/2011

References

  1. NINDS Complex Regional Pain Syndrome Information Page. NINDS. September 26, 2014; http://www.ninds.nih.gov/disorders/reflex_sympathetic_dystrophy/reflex_sympathetic_dystrophy.htm. Accessed 11/10/2014.
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Basic Information

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Complex regional pain syndrome. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • CRPS
  • Reflex sympathetic dystrophy
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.