Talotta, Rossella, Atzeni, Fabiola, Bazzichi, Laura et al. · Clinical and experimental rheumatology · 2015
This review examines three related conditions—ME/CFS, fibromyalgia, and irritable bowel syndrome—that share similar patterns of pain and fatigue. Researchers found that these conditions likely develop from a combination of factors: genetic predisposition, infections, inflammation, stress hormone problems, changes in how the brain processes pain, and damage to small nerves throughout the body. Treatment works best when doctors use multiple approaches together, including both medications and lifestyle changes.
This study validates that ME/CFS is part of a recognized disease cluster with shared underlying mechanisms, strengthening the case for biological rather than purely psychological causation. Understanding the multifactorial nature helps justify why ME/CFS patients often need coordinated care across multiple specialties rather than single-intervention approaches.
This review does not establish which specific combinations of mechanisms are primary versus secondary in any individual patient, nor does it demonstrate that identical treatments work equally well across all three syndromes. It does not prove causation for any proposed mechanism—only that these factors are associated with disease pathogenesis.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Talotta, Rossella, Atzeni, Fabiola, Bazzichi, Laura, Giacomelli, Camillo, Di Franco, Manuela, Salaffi, Fausto, et al. (2015). Algo-dysfunctional syndromes: a critical digest of the recent literature.. Clinical and experimental rheumatology. https://pubmed.ncbi.nlm.nih.gov/25786051/
BibTeX
@article{mecfsatlas-talotta-2015-algo-dysfunctional,
author = {Talotta, Rossella and Atzeni, Fabiola and Bazzichi, Laura and Giacomelli, Camillo and Di Franco, Manuela and Salaffi, Fausto and Sarzi-Puttini, Piercarlo},
title = {Algo-dysfunctional syndromes: a critical digest of the recent literature.},
journal = {Clinical and experimental rheumatology},
year = {2015},
note = {PubMed: 25786051},
url = {https://www.mecfsatlas.com/evidence/talotta-2015-algo-dysfunctional},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/talotta-2015-algo-dysfunctional
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