Bell's Palsy
Bell's palsy is a neurological disorder caused by damage to the VIIth cranial nerve. The cause of Bell's palsy is unknown, but it may involve swelling of the facial nerve as a reaction to an immune disorder or a viral infection. Facial weakness occurs suddenly and ranges from mild weakness to complete paralysis. Only one side of the face is affected. A diagnosis of Bell's palsy is often based on symptoms and by ruling out other disorders. There is no curative treatment for Bell's palsy. Bell's palsy is self-limiting. Symptoms do not spread beyond the face and do not worsen once they "peak." Most patients recover completely.
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