Title: Guillain–Barré syndrome Long Title: IUPAC Gold Book - Guillain–Barré syndrome DOI: 10.1351/goldbook.11797 Status: current Definition Type of idiopathic polyneuritis in which autoimmunity to peripheral nerve, myelin leads to a condition characterized by chronic demyelination of the spinal roots (see spinal cord), peripheral nerves, and cranial nerves. Note Guillain–Barré syndrome is often preceded by a respiratory or gastrointestinal infection and shows gradual but complete recovery in most cases. Related Terms - cranial nerves: https://goldbook.iupac.org/terms/view/11700 - demyelination: https://goldbook.iupac.org/terms/view/11707 - myelin: https://goldbook.iupac.org/terms/view/11896 - peripheral nerve: https://goldbook.iupac.org/terms/view/12003 - polyneuritis: https://goldbook.iupac.org/terms/view/12013 Source - PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 871 (https://doi.org/10.1515/pac-2015-0103) Other Outputs - html: https://goldbook.iupac.org/terms/view/11797/html - json: https://goldbook.iupac.org/terms/view/11797/json - xml: https://goldbook.iupac.org/terms/view/11797/xml Citation: Citation: 'Guillain–Barré syndrome' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.11797 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-05-14T15:00:47+00:00