Bilateral Facial Nerve Palsy: A Diagnostic Dilemma

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Introduction. Bilateral facial nerve palsy (FNP) is a rare condition, representing less than 2 % of all cases of FNP. Majority of these patients have underlying medical conditions, ranging from neurologic, infectious, neoplastic, traumatic, or metabolic disorders. Objective. The differential diagnosis of its causes is extensive and hence can present as a diagnostic challenge. Emergency physicians should be aware of these various diagnostic possibilities, some of which are potentially fatal. Case Report. We report a case of a 43-year-old female who presented to the emergency department with sequential bilateral facial nerve paralysis which could not b