Hoffmann, A, Linder, R, Kröger, B et al. · Deutsche medizinische Wochenschrift (1946) · 1996 · DOI
This study compared fibromyalgia syndrome and chronic fatigue syndrome (ME/CFS) to understand how they are similar and how they differ. Researchers examined patients with both conditions to identify shared symptoms and unique characteristics that could help doctors better recognize and distinguish between them.
Distinguishing between fibromyalgia and ME/CFS is clinically important because the two conditions are often confused or co-occur, yet may require different management approaches. This comparison helps patients and clinicians understand whether they have one condition, both, or related but distinct disorders, improving diagnostic accuracy and treatment decisions.
This review article does not establish causal relationships or provide definitive diagnostic criteria. It cannot prove whether these are separate conditions or manifestations of a single underlying pathology, and it does not establish prevalence, natural history, or treatment efficacy for either condition.
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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