Facial paralysis
Definition
Facial paralysis is the total loss of voluntary muscle movement of one side of the face.
Alternative Names
Paralysis of the faceConsiderations
About 75% of all cases of facial paralysis in adults are due to a condition called Bell's palsy, in which the facial nerve becomes inflamed.
Stroke may cause facial paralysis. In this case, the eye on the affected side may be closed and the forehead can be wrinkled. (Persons with Bell's palsy can not do this.) Other muscles on one side of the body may also be involved with a stroke.
Facial paralysis due to a brain tumor generally develops slowly and causes headaches, seizures, or hearing loss.
In newborns, facial paralysis may result from birth trauma.
Causes
- Bell's palsy
- Stroke
- Brain tumor
- Sarcoidosis
- Lyme disease
- Infection
- Birth trauma (newborns)
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