Diagnosis and Treatment of Bell’s Palsy

Abstract

Bell's palsy is one of the most common outpatient problems in neurologic clinics. The diagnosis of Bell's palsy is typically made through clinical evaluation. Characteristic findings include the acute onset of unilateral lower motor neuron facial paralysis, reaching its peak within 72 hours. However, there are numerous diagnostic pitfalls related to the differential diagnosis, including neoplasms, autoimmune disorders, trauma, and infections. For an accurate diagnosis, recognizing the anatomical background and identifying atypical clinical features of Bell's palsy is crucial. Oral steroids are considered the optimal treatment, and antiviral agents may play a beneficial role. Even without treatment, the prognosis for Bell's palsy is generally favorable, but long-standing sequelae are also possible and should be considered for functional, aesthetic, and psychological aspects.