https://doi.org/10.1351/goldbook.11797
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.