E3 PreliminaryPreliminaryPEM unclearReview-NarrativePeer-reviewedReviewed
Fibromyalgia syndrome in women.
Shaver, Joan L · The Nursing clinics of North America · 2004 · DOI
Quick Summary
This article reviews fibromyalgia syndrome (FMS), a condition causing chronic pain and fatigue that affects far more women than men. The authors describe common symptoms and discuss research into what might cause FMS and related conditions like ME/CFS, IBS, and TMD, as well as current treatment options.
Why It Matters
This review is relevant to ME/CFS patients because it explicitly acknowledges the overlap and shared mechanisms between fibromyalgia syndrome and chronic fatigue syndrome, suggesting common underlying pathophysiology. Understanding how FMS and CFS relate clinically and biologically may inform better assessment and treatment strategies for both conditions.
Observed Findings
- Fibromyalgia syndrome prevalence is estimated at 2-6% of adults in the United States
- More women than men are diagnosed with fibromyalgia syndrome
- Fibromyalgia syndrome shares clinical and epidemiological overlap with chronic fatigue syndrome, irritable bowel syndrome, and temporomandibular disorders
- Fibromyalgia syndrome represents a growing diagnosis with high societal costs
Inferred Conclusions
- FMS and related chronic conditions may share common contributing factors or pathogenic mechanisms
- Understanding FMS manifestations is necessary for proper clinical assessment
- Current treatment options exist but effectiveness varies and warrants further investigation
Remaining Questions
- What are the specific biological mechanisms underlying fibromyalgia syndrome and its overlap with chronic fatigue syndrome?
- Why are women disproportionately affected by fibromyalgia syndrome?
- Which current treatment approaches are most effective for FMS and related conditions?
- How do genetic, immunological, and neurobiological factors contribute to disease development and persistence?
What This Study Does Not Prove
As a narrative review, this article does not present original research data and cannot prove causation or definitively establish which factors cause FMS or CFS. The review summarizes existing literature but does not constitute evidence for any specific treatment's efficacy or any proposed disease mechanism.
Tags
Symptom:Unrefreshing SleepPainFatigue
Method Flag:Exploratory Only
Metadata
- DOI
- 10.1016/j.cnur.2003.11.012
- PMID
- 15062736
- Review status
- Editor reviewed
- Evidence level
- Early hypothesis, preprint, editorial, or weak support
- Last updated
- 12 April 2026
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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