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Pain Research and Management
Volume 1, Issue 1, Pages 41-44
Canadian Pain Society Symposium

Classification and Diagnosis of Fibromyalgia

Harold Merskey

London Psychiatric Hospital, London, Ontario, Canada

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Fibromyalgia was recently classified when a sleep disorder was described with diffuse musculoskeletal pain. The standard modern definition was reached on the basis of thorough analysis of pain patterns and characteristic tender points. The principles of classification are reviewed with respect to this diagnosis.