Rizzo, Dorrie, Creti, Laura, Bailes, Sally et al. · Journal of primary care & community health · 2011 · DOI
Researchers created a simple system for organizing and grouping the medicines that patients take during medical studies. They tested this organizational method on patients with ME/CFS and sleep apnea to see if different groups of patients tend to take different combinations of medications. They found five main medicine categories, and importantly, the pattern of medicines taken by ME/CFS patients was quite different from sleep apnea patients, possibly reflecting different views about what causes these conditions.
This study highlights an important gap: ME/CFS patients' medication profiles may reflect the historical misunderstanding of ME/CFS as primarily psychiatric rather than physiological. Understanding how medication use patterns have been shaped by disease conceptualization matters for recognizing whether treatment approaches adequately address the biological basis of ME/CFS and for comparing medication profiles across different patient populations in research.
This study does not prove that medication use patterns are appropriate, effective, or reflect actual disease pathophysiology. It is descriptive rather than explanatory—showing what medications patients take does not establish whether those medications target the root causes of ME/CFS, nor does it determine whether the psychogenic medication pattern represents optimal clinical care. The study also cannot establish causality between disease conceptualization and medication prescribing patterns.
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
Rizzo, Dorrie, Creti, Laura, Bailes, Sally, Baltzan, Marcel, Grad, Roland, Amsel, Rhonda, et al. (2011). Classifying medication use in clinical research.. Journal of primary care & community health. https://doi.org/10.1177/2150131910385843
BibTeX
@article{mecfsatlas-rizzo-2011-classifying-medication,
author = {Rizzo, Dorrie and Creti, Laura and Bailes, Sally and Baltzan, Marcel and Grad, Roland and Amsel, Rhonda and Fichten, Catherine S and Libman, Eva},
title = {Classifying medication use in clinical research.},
journal = {Journal of primary care & community health},
year = {2011},
doi = {10.1177/2150131910385843},
note = {PubMed: 23804659},
url = {https://www.mecfsatlas.com/evidence/rizzo-2011-classifying-medication},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-27. https://www.mecfsatlas.com/evidence/rizzo-2011-classifying-medication
Contribute
Private, reviewed by a human. Not a public comment thread.