Gaber, Tarek A-Z K, Oo, Wah Wah, Ringrose, Hollie · NeuroRehabilitation · 2014 · DOI
This study looked at whether people with Multiple Sclerosis (MS) might also have ME/CFS at the same time. Researchers examined 64 MS patients and found that 14% of them—all women—also met the diagnostic criteria for ME/CFS. Their fatigue and other symptoms like pain and headaches couldn't be fully explained by their MS alone, suggesting the two conditions can occur together in the same person.
This study highlights an important diagnostic gap: patients with MS may develop ME/CFS as a separate condition, and failing to recognize this overlap could lead to inadequate or misdirected treatment. For ME/CFS patients with neurological symptoms, it raises awareness that similar overlaps with other conditions may exist and merit investigation.
This study does not establish a causal relationship between MS and ME/CFS, nor does it determine whether the two conditions share common mechanisms. The small sample size, retrospective design, and lack of a control group mean the 14% prevalence figure may not be generalizable to all MS populations. It also does not address whether comorbid presentation affects prognosis or treatment response.
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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