Abstract
The aim of the present brief review was to discuss Bell’s palsy (BP) in diabetes mellitus (DM). The risk of BP is increased in DM. DM subjects with BP are more prone to severe facial nerve degeneration. Further characteristics of BP in DM include a) infrequent taste impairment; b) more frequent and more marked facial nerve subclinical electrophysiological impairment; c) more frequent Blink reflex impairment; d) potentially concurrent distal symmetrical sensorimotor polyneuropathy; e) more frequent alternating BP with recurrent episodes affecting different sides of the face. Diagnosis of BP rests on clinical examination, along with facial nerve electromyographic and electroneurographic evaluation. Management of BP in DM includes physical therapy, corticosteroids, and antiviral agents. Finally, acupuncture, low-level laser therapy, lipoprostaglandin E1, and stellate ganglion block are new modalities with initially promising results.
Keywords: Bell’s palsy, cranial nerves, diabetes mellitus, diagnosis, therapy, facial nerve, lipoprostaglandin E1.
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