ALTHOUGH there are many different kinds of facial palsy, in the majority of sufferers no specific cause can be found. This variety is usually referred to as Bell's palsy, and facial palsy secondary to herpes zoster can be added for the purposes of discussion. Facial weakness due to supranuclear lesions needs no further consideration; the muscles around the eye are not seriously involved and the basic disorder is much more serious. Facial palsy due to disease processes such as tumors and middle ear infection usually requires surgical removal of the cause, although the facial symptoms themselves must also be relieved. Trauma to the facial nerve will be considered later.
No effective cure for Bell's palsy has yet been discovered, but there is an urgent need for proper management. Dozens of methods of treatment have been advocated, but none of them has been substantiated by acceptable scientific investigation. Ghiora and Winter
TAVERNER D. Treatment of Facial Palsy. Arch Otolaryngol. 1965;81(5):489–493. doi:10.1001/archotol.1965.00750050502009
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