Patients with an overlap of the pharyngeal–cervical–brachial variant of Guillain–Barré syndrome and Miller Fisher syndrome (PCB/MFS) have rarely been reported. The electrophysiological findings in PCB/MFS are of great interest and may provide insight into the pathophysiology of the disorder. We report the clinical features and nerve conduction study findings in a patient with PCB/MFS with high titers of antiganglioside antibodies against GQ1b, GD1a, and GD1b. In serial nerve conduction studies, compound muscle action potential amplitudes normalised without development of temporal dispersion within 3weeks, and absent median, ulnar, and sural sensory nerve action potentials became recordable within 4months. These findings are consistent with reversible conduction failure in both motor and sensory fibres, and PCB/MFS could be classified in the recently described nodo-paranodopathy spectrum of acute neuropathies associated with anti-ganglioside antibodies.