Bidari, Ali, Ghavidel Parsa, Banafsheh, Ghalehbaghi, Babak · The Korean journal of pain · 2018 · DOI
Fibromyalgia (FM) is difficult to diagnose because there is no clear dividing line between having FM and not having it. This review examines why doctors and patients struggle with FM diagnosis, including how symptoms vary between people and over time, and how cultural and emotional factors influence whether a doctor labels someone as having FM. The authors argue that doctors' judgment based on talking with patients may be more reliable than relying only on scoring systems.
For ME/CFS patients and researchers, this analysis is relevant because fibromyalgia shares diagnostic challenges with ME/CFS—both are contested illnesses with variable symptom expression, psychosocial components, and criteria-based classification systems that may not capture clinical reality. Understanding how diagnostic criteria can miss important patient experiences and how physician judgment operates illuminates similar validation challenges faced by ME/CFS patients and clinicians.
This review does not prove that current FM diagnostic criteria are invalid or should be abandoned, nor does it demonstrate specific prevalence rates of misdiagnosis. It cannot establish causation between any particular psychosocial factor and FM diagnosis, and it does not provide empirical data on the accuracy of clinical judgment versus formal criteria. The arguments remain conceptual rather than evidence-based.
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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