Delayed facial palsy in Miller Fisher syndrome

Miller Fisher syndrome is characterised by the triad of ophthalmoplegia, ataxia and areflexia. However, facial palsy can occur during the course of the illness although development of facial palsy when other cardinal signs of Miller Fisher syndrome have reached nadir or improving, is unusual. This delayed appearance of facial palsy can be easily overlooked by the treating clinician. Here, we report four patients with Miller Fisher syndrome and delayed-onset facial palsy. We discuss the possible underlying reasons behind the delay in facial palsy.