Bell's palsy is the most common type of facial paralysis.
It may be related to a virus such as
herpes simplex or
herpes zoster. It seems to be more likely to occur in
people who have
diabetes, and it may be more likely in pregnant women.
Bell's palsy affects:
About 25 people out of 100,000.1 That
means about 75,000 Americans are affected each year.
Solomon D (2003). Bell's palsy and other VII lesions.
In RW Evans, ed., Saunders Manual of Neurologic Practice, chap. 6, pp. 348–352. Philadelphia: Saunders.
Ropper AH, Samuels MA (2009). Bell's palsy
section of Diseases of the cranial nerves. In Adams and Victor's Principles of Neurology, 9th ed., pp.
1330–1331. New York: McGraw-Hill.
Holland J (2008). Bell's palsy,
search date February 2007. Online version of
BMJ Clinical Evidence: http://www.clinicalevidence.com.
How this information was developed to help you make better health decisions.