When viewing this topic in a different language, you may notice some differences in the way the content is structured, but it still reflects the latest evidence-based guidance.

Last reviewed: 16 Mar 2025
Last updated: 08 Dec 2023

Summary

Definition

History and exam

Key diagnostic factors

  • widespread pain and stiffness
  • sleep disturbance/fatigue
  • cognitive difficulties

Other diagnostic factors

  • allodynia and/or hyperalgesia
  • diffuse tenderness on examination
  • sensitivity to sensory stimuli
  • headaches
  • mood disturbance
  • numbness/tingling sensations

Risk factors

  • family history of fibromyalgia (FM)
  • rheumatological conditions
  • age between 20 and 60 years
  • female sex
  • stressful events
  • sleep problems
  • infections
  • vitamin D deficiency

Diagnostic investigations

Investigations to consider

  • erythrocyte sedimentation rate (ESR)/CRP
  • thyroid function test
  • FBC
  • rheumatoid factor
  • anti-cyclic citrullinated protein (CCP) antibody
  • antinuclear antibody or anti-DNA antibody
  • vitamin D level
  • creatinine kinase
  • ferritin
  • overnight oximetry/polysomnography

Treatment algorithm

Contributors

Authors

Matthew A. Bartlett, MB, BCh, BAO

Assistant Professor of Medicine

Fibromyalgia Clinic

Division of General Internal Medicine

Department of Internal Medicine

Mayo Clinic

Rochester

MN

Disclosures

MAB declares that he owns stock in Johnson & Johnson. No products developed or marketed by Johnson & Johnson are included in this topic.

Christopher V. Anstine, MD

Assistant Professor of Medicine

Fibromyalgia Clinic

Division of General Internal Medicine

Department of Internal Medicine

Mayo Clinic

Rochester

MN

Disclosures

CVA declares he has no competing interests.

Acknowledgements

Dr Matthew A. Barlett and Dr Christopher V. Anstine would like to gratefully acknowledge Dr Daniel J. Clauw and Dr Lisa Ware Corbin, previous contributors to this topic.

Disclosures

LWC and DJC declare that they have no competing interests.

Peer reviewers

Don Goldenberg, MD

Emeritus Professor of Medicine

Tufts University School of Medicine

Boston

MA

Disclosures

DG declares that he has no competing interests.

Robert Bennett, MD

Professor of Medicine and Nursing Research

Oregon Health & Science University

Portland

OR

Disclosures

RB declares that he has no competing interests.

Use of this content is subject to our disclaimer