Savitz, Jonathan, Yolken, Robert H · Current topics in behavioral neurosciences · 2023 · DOI
This review examines whether certain germs—especially viruses like EBV and CMV, and parasites—might contribute to mental illness and ME/CFS. Researchers looked at studies testing whether anti-viral and anti-parasite medications could help treat these conditions, and also explored whether changes in gut bacteria might play a role. The authors found some evidence supporting these connections, though much more research is needed to understand how they work.
ME/CFS patients often experience concurrent psychiatric symptoms and have abnormal immune responses; understanding whether microbes trigger or worsen these symptoms could lead to new targeted treatments. This review consolidates evidence specifically examining antiviral and microbiome-based therapies for ME/CFS, providing context for potential future clinical applications in this severely understudied population.
This umbrella review does not establish causation—it identifies associations and mechanistic plausibility. The heterogeneity of included trials and inconsistent findings across studies mean individual antimicrobial therapies have not yet been proven effective for ME/CFS specifically. Correlation between microbes and illness does not prove the microbes caused the illness.
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
Savitz, Jonathan & Yolken, Robert H (2023). Therapeutic Implications of the Microbial Hypothesis of Mental Illness.. Current topics in behavioral neurosciences. https://doi.org/10.1007/7854_2022_368
BibTeX
@article{mecfsatlas-savitz-2023-therapeutic-implications,
author = {Savitz, Jonathan and Yolken, Robert H},
title = {Therapeutic Implications of the Microbial Hypothesis of Mental Illness.},
journal = {Current topics in behavioral neurosciences},
year = {2023},
doi = {10.1007/7854_2022_368},
note = {PubMed: 35606640},
url = {https://www.mecfsatlas.com/evidence/savitz-2023-therapeutic-implications},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-29. https://www.mecfsatlas.com/evidence/savitz-2023-therapeutic-implications
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