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Facial droop is weakness in the facial muscles caused by loss of nerve function. This can produce a distorted appearance because the facial muscles sag, usually on only one side of the face.
Last Revised: September 1, 2011
Author: Healthwise Staff
Medical Review: Anne C. Poinier, MD - Internal Medicine & Jennifer Hone, MD, MD - Endocrinology, Diabetes and Metabolism
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