Son, Chang-Gue · Integrative medicine research · 2019 · DOI
This article discusses the important difference between regular chronic fatigue (long-lasting tiredness) and Chronic Fatigue Syndrome (ME/CFS), a serious medical condition. The author explains why it's crucial to distinguish between these two conditions, since ME/CFS involves specific symptoms and has different causes than simple persistent tiredness.
Accurate diagnosis is essential for ME/CFS patients to receive appropriate treatment and support. This article helps clarify diagnostic confusion that often delays proper diagnosis, which can prevent patients from accessing suitable medical care and management strategies.
This review does not present original experimental data and therefore cannot establish causal mechanisms or provide new biomarkers for ME/CFS. The evidence quality level (E3) indicates this is a narrative review rather than high-level evidence, so conclusions are based on literature synthesis rather than controlled research.
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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Primary citation
Son, Chang-Gue (2019). Differential diagnosis between "chronic fatigue" and "chronic fatigue syndrome".. Integrative medicine research. https://doi.org/10.1016/j.imr.2019.04.005
BibTeX
@article{mecfsatlas-son-2019-differential-diagnosis,
author = {Son, Chang-Gue},
title = {Differential diagnosis between "chronic fatigue" and "chronic fatigue syndrome".},
journal = {Integrative medicine research},
year = {2019},
doi = {10.1016/j.imr.2019.04.005},
note = {PubMed: 31193269},
url = {https://www.mecfsatlas.com/evidence/son-2019-differential-diagnosis},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/son-2019-differential-diagnosis
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