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The number of new cases of Bell's palsy ranges from about one to four cases per 10,000 population per year. [51] The rate increases with age. [2] [51] Bell's palsy affects about 40,000 people in the United States every year. It affects approximately 1 person in 65 during a lifetime.
Bell's palsy is the most common cause of acute facial nerve paralysis. [ 3 ] [ 4 ] There is no known cause of Bell's palsy, [ 5 ] [ 6 ] although it has been associated with herpes simplex infection. Bell's palsy may develop over several days, and may last several months, in the majority of cases recovering spontaneously.
She was then prescribed the typical treatment for Bell’s palsy — steroids and an antiviral medication. “One of the keys is early diagnosis and early treatment,” says Nellis.
Bell's palsy can trigger hyperacusis if the associated flaccid paralysis affects the tensor tympani, and stapedius, two small muscles of the middle ear. [33] Paralysis of the stapedius muscle prevents its function in dampening the oscillations of the ossicles , causing sound to be abnormally loud on the affected side. [ 34 ]
It afflicts about 40,000 Americans a year.
According to the National Institutes of Health, Bell’s palsy is a neurological disorder that causes paralysis on one side of the face. This can happen when a facial nerve becomes injured.
Bell's phenomenon: A normal defense mechanism—upward and outward movement of the eye which occurs when an individual closes their eyes forcibly. It can be appreciated clinically in a patient with paralysis of the orbicularis oculi (e.g. Guillain–Barré syndrome or Bell's palsy), as the eyelid remains elevated when the patient tries to close ...
What Bell’s palsy advocates want you to know Azizzadeh notes that Bell’s palsy can be very “socially stressful” for individuals experiencing it, making it important for someone like Gravel ...
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