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Bell's Palsy

Facial muscles affected by Bell's palsy

Bell's palsy causes paralysis or weakness of the muscles on one side of the face. It results from facial nerve paralysis that causes the affected side of the face to appear flat, expressionless, or droopy. Taste sensation and tear or saliva production can also be affected.

Current as of: November 19, 2019

Author: Healthwise Staff
Anne C. Poinier, MD - Internal Medicine
Adam Husney, MD - Family Medicine
Martin J. Gabica, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Colin H. Chalk, MD, CM, FRCPC - Neurology