What reason is facial paralysis caused

summary

What is the reason for facial numbness? Facial numbness in medicine is more common is the facial nerve problems, got facial paralysis, then how to know if you got facial paralysis? To make sure whether you are sick, the most direct way is to say that their symptoms and facial paralysis symptoms are compared, then what symptoms of facial paralysis? One Get up and take a look at the following.

What reason is facial paralysis caused

First, when facial nerve paralysis occurs, salivary gland secretion and lacrimal gland secretion dysfunction, forehead wrinkles become shallow or disappear.

Second: after many facial paralysis, the patient will appear the phenomenon of auditory hypersensitivity. The main reason is that when facial nerve paralysis occurs, the stapes muscle is paralyzed. As a result, the tensor tympani muscle is relatively tense, the tension of the tympanic membrane is high, and small sounds produce strong vibration, resulting in over hearing. The tensor tympani muscle that maintains the tension of the tympanic membrane is dominated by the medial pterygoid nerve of the trigeminal nerve branch, and the stapes muscle is dominated by the facial nerve. These two muscles are antagonistic and maintain balance.

Third: can't frown is an important clinical feature of Bell's facial paralysis, bilateral nasolabial groove shallow, lips can't be closed tightly, mouth leakage, eating, gill memory food. Therefore, for patients with facial paralysis, liquid and semi liquid food should be given priority to.

matters needing attention

In addition to hearing hypersensitivity, ipsilateral anterior 2 / 3 taste disorder and peripheral facial nerve paralysis, there are also symptoms of mastoid pain, hypoesthesia of auricle and external auditory canal, herpes in external auditory canal or tympanic membrane, eyeball of paralyzed side is not at the same level as that of healthy side, and pupil level is higher than that of healthy side.