The causes of facial neuritis are

Written by Liu Yan Hao
Neurology
Updated on May 28, 2025
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Facial neuritis, the most common cause, is due to infection by the optic nerve virus. This virus invades the nerves, especially prone to invade the facial nerve, causing damage, inflammation, and edema of the facial nerve, leading to symptoms of facial paralysis, which are manifested as shallower forehead wrinkles, shallower nasolabial folds, widened palpebral fissures, incomplete eyelid closure, and the mouth corner deviating to the opposite side. In the acute phase of treatment, some drugs that reduce nerve edema can be used, along with drugs that nourish the nerves. After the acute phase, when the condition stabilizes, comprehensive treatments such as acupuncture and physiotherapy can be combined. Additionally, the cause of the disease is greatly related to the decrease in the body's immunity. Patients are more likely to become infected and develop symptoms of facial neuritis when their immunity is lowered due to staying up late, exhaustion, and irregular lifestyles. (Medication use should be done under the guidance of a professional doctor.)

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Written by Zhang Hui
Neurology
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What causes facial neuritis?

Facial neuritis is very common in neurology, mainly caused by nonspecific inflammatory responses. For example, some patients with facial neuritis may experience viral infections, leading to inflammatory reactions in the muscles. Some patients develop inflammation of the facial nerve due to exposure to cold winds. Others may have immune dysfunction or rheumatic autoimmune diseases, which lead to inflammation of the facial nerve. Patients with facial neuritis usually experience paralysis of the facial muscles and may also experience significant pain, especially in the mastoid and external auditory canal. It is essential to treat facial neuritis early, using corticosteroids and B vitamins, as many patients have a good prognosis after treatment.

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Written by Zhang Hui
Neurology
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Facial neuritis should be seen in the Department of Neurology.

Facial neuritis is a type of cranial nerve disease and is one of the most common diseases in neurology. Therefore, appointments for facial neuritis should be made in the department of neurology. Neurologists have extensive experience in the diagnosis, differential diagnosis, and treatment of facial neuritis. This disease is mainly caused by idiopathic facial nerve palsy, resulting in edema of the facial nerve, which suffers from ischemia and hypoxia due to compression within the facial nerve canal, leading to functional impairment. Some patients may also experience hypersensitivity to sound, external auditory canal herpes, and taste disorders, among other symptoms. Neurologists will provide appropriate treatment based on the patient's condition, such as administering corticosteroids, and vitamins B1, B12, and others for management. Rehabilitation departments may also be consulted to provide rehabilitation exercises. (Please consult a professional doctor for medication guidance and do not self-medicate.)

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Written by Li Min
Neurology
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Facial neuritis requires the use of steroids.

Bell's palsy, or facial neuritis, is caused by stimulation or viral infection of the facial nerves, leading to facial nerve paralysis. This generally refers to peripheral facial neuritis. Early treatment includes antiviral, anti-inflammatory, nerve nourishment, and free radical scavenging. Therefore, early treatment of facial neuritis requires steroid therapy, commonly using oral prednisone. The dosage is determined by body weight, at 1 milligram per kilogram, taken orally for a week, then discontinued. The next step in the treatment plan involves acupuncture and physical therapy. (Use of medications should be under the guidance of a doctor.)

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Written by Tang Ying
Physical Medicine and Rehabilitation
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Can facial neuritis heal by itself?

If it's a case of facial neuritis, generally very mild facial neuritis tends to heal on its own, but it takes time. Common symptoms of facial neuritis include incomplete eyelid closure and deviation of the mouth. More severe cases may even experience reduced taste and hearing. Under such circumstances, it is recommended that patients seek medical attention at a formal hospital as soon as possible to avoid delaying treatment. The best recovery period for facial neuritis is within three weeks; therefore, as time delays, the difficulty of recovery increases. Thus, we advise patients with particularly evident symptoms to seek medical care promptly.

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Written by Yuan Jun Li
Neurology
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What should I do if facial neuritis is accompanied by a fever?

Patients with facial neuritis who experience a fever with a body temperature above 38.5°C can undergo antipyretic treatment. They can take oral acetaminophen or ibuprofen, or receive intramuscular injections of Chaihu and Lysine Aspirin Injection. Simultaneously, antiviral medications should be used, such as ribavirin, oseltamivir, ganciclovir, and acyclovir, etc. It is also crucial to actively use medications that nourish the nerves, such as oral vitamin B1, vitamin B12, cobamamide, and methylcobalamin. During the acute phase, corticosteroids, which also have a certain antipyretic effect, can be used to reduce local edema and promote the absorption of inflammation. Dexamethasone and prednisone are commonly used clinically, and the medication period should generally not exceed two weeks, etc. (Medication should be used under the guidance of a physician.)