What Is Facial Nerve Paralysis?
Facial nerve paralysis is paralysis of areas of the face innervated by the facial nerve, which may also be referred to as the seventh cranial nerve. This particular nerve winds a long path over the face, and many different areas of the face can be involved. In addition to being associated with paralysis in the face, facial nerve paralysis can also lead to problems with taste, hearing, and vision. There are a number of potential causes of this condition.
Facial nerve paralysis is paralysis of areas of the face innervated by the facial nerve, which may also be referred to as the seventh cranial nerve. This particular nerve winds a long path over the face, and many different areas of the face can be involved. In addition to being associated with paralysis in the face, facial nerve paralysis can also lead to problems with taste, hearing, and vision. There are a number of potential causes of this condition. Symptoms of facial nerve palsy vary, depending on which areas of the nerve are involved. Changes in the facial expression are common, with the person having trouble smiling and making other expressions on the side of the face which is involved. The sense of taste may be impaired, and the patient may have decreased saliva production. Sensitivity to noise is another sign, as is dryness in one of the eyes.
