Traumatic Facial Paralysis
What is Traumatic Facial Paralysis?
Overview
Traumatic facial paralysis refers to the loss of movement or weakness on one side of the face resulting from physical trauma, injury, or damage to the facial nerves. The facial nerve, also known as the seventh cranial nerve, controls the muscles of the face, allowing for various facial expressions. Trauma to this nerve or the structures around it can lead to facial paralysis.
Who is Affected?
Traumatic facial paralysis can affect individuals of any age and typically occurs after head trauma, such as from motor vehicle accidents, falls, sports injuries, or penetrating injuries to the face or skull. It may also occur during or after surgical procedures involving the ear, parotid gland, or skull base. While anyone can be affected, individuals engaged in high-risk activities or contact sports may have an increased likelihood of experiencing facial nerve injury. The severity of paralysis can vary depending on the nature and extent of the trauma.
Traumatic Facial Paralysis Symptomsrn& Causes
Symptoms
Facial paralysis following traumatic injury to the facial nerve in the temporal bone or to the main trunk of the facial nerve usually presents with the following:
- Complete facial paralysis
- Inability to chew food properly on the paralyzed side
- Inability to blink or close the eye
- Inability to smile
However If the injury occurred to a branch of the facial nerve patients may present with only partial facial paralysis. This may include weakness in only a portion of the face rather than the entire face. In order to know if you have partial facial paralysis, you must be evaluated by a medical professional.
Causes
Trauma to the facial nerve is the second most common cause of facial paralysis. This includes blunt force trauma that causes temporal bone skull fractures, sharp penetrating trauma (stab or gunshot wounds), and iatrogenic forms (those that occur during surgery).
Fractures of the temporal bone are the number one traumatic cause of facial nerve injury. As the facial nerve exits the brain, it travels through the temporal bone and behind the ear before exiting the bone below the ear. It then enters the parotid salivary gland and is able to reach the muscles of the face. Temporal bone fractures are usually due to high speed head injuries such as automobile accidents, bicycle accidents, and falls. If the fracture involves the bone surrounding the facial nerve, the nerve can undergo swelling or may get cut.
The most important factor related to recovery of facial paralysis following temporal bone injury is if the facial paralysis is immediate or delayed onset. In one study, 40% of patients with immediate-onset complete paralysis had poor recovery while all patients with incomplete paralysis recovered completely.
No. Iatrogenic facial nerve injury is very rare. The most likely surgeries to cause facial nerve injury are during ear surgery or salivary gland surgery with less than 1% frequency. The majority of traumatic facial paralysis is due to temporal bone trauma.
When to See a Doctor
You should seek medical attention immediately if you experience sudden weakness or paralysis on one side of the face following a head injury, fall, or trauma. Additional warning signs include inability to close the eye, drooping of the mouth, loss of facial movement, or changes in hearing or balance. Early evaluation by a specialist is important to determine the cause, assess the severity of nerve damage, and begin appropriate treatment to improve the chances of recovery. Contact our specialists at 310-829-8701.
Traumatic Facial Paralysis Diagnosis
Every patient with concern for facial nerve injury should undergo a thorough history and physical examination. If the injury is related to a temporal bone injury it is extremely important to find out if the onset of paralysis was immediately following the injury or had a delayed onset. This will affect the management of the facial paralysis.
If the injury to the facial nerve is iatrogenic and occurred during surgery, the best time to repair the nerve is during the same procedure. If this is not possible and the patient awakens with facial paralysis, it is best to have the patient evaluated by an expert in facial nerve reanimation within the first 24 hours as they may need to return to surgery within 72 hours from onset.
Traumatic Facial Paralysis Treatmentrn& Outcomes
Treatment Options
Treatment for traumatic facial paralysis depends on several important factors, including the type and severity of the injury, the location of the damage along the facial nerve, and whether the paralysis occurred immediately after the trauma or developed over time. Early evaluation is critical to determine the extent of nerve involvement and to guide next steps.
Our experts in facial reanimation conduct a comprehensive assessment that includes a detailed medical history, physical examination, and review of diagnostic imaging and nerve function tests. This careful evaluation allows us to determine whether the nerve is likely to recover on its own or if surgical intervention is needed.
Treatment options may include:
- Observation and medical management in cases where the nerve remains intact and spontaneous recovery is expected
- Facial nerve decompression if the nerve is compressed but not severed
- Nerve repair or grafting for complete or partial nerve transection
- Nerve transfers or cross-facial nerve grafts when native facial nerve recovery is not possible
- Facial reanimation procedures, such as muscle or tendon transfers, to restore facial symmetry and function
- Botulinum toxin (Botox®) therapy to address muscle tightness or asymmetry during recovery
Our team designs personalized treatment plans tailored to each patient’s unique anatomy, injury, and goals. The aim is not only to restore facial movement but also to preserve eye protection, enhance appearance, and improve overall quality of life.
Patient Outcomes
Outcomes for traumatic facial paralysis vary depending on the severity of the nerve injury, the cause of trauma, and how quickly treatment is initiated. In cases of mild to moderate nerve damage, especially where the nerve remains intact, many patients experience partial or full recovery over time, sometimes within weeks to months. More severe injuries, such as nerve transection or compression, may require surgical repair or nerve grafting, and recovery may take longer. Advances in facial nerve reconstruction, physical therapy, and rehabilitative care have significantly improved functional and cosmetic outcomes, especially when treatment is personalized and initiated early.
Managing Traumatic Facial Paralysis
Ongoing management of traumatic facial paralysis involves a combination of medical care, physical therapy, and in some cases, surgical intervention.
- We often advise patients to protect the affected eye if blinking is impaired—this may include using artificial tears and wearing an eye patch.
- Facial physical therapy can help preserve muscle tone, improve symmetry, and retrain facial movement.
- Regular follow-up with your facial nerve specialist is important to track recovery and adjust treatment plans as needed.
- Emotional support and counseling may also be helpful, as changes in facial movement can affect self-esteem and social interaction.
In our experience, with the right care and support, many patients can achieve meaningful recovery and improved quality of life.
Experience Compassionate, Expert Care
Through a multidisciplinary approach we care for each patient with a treatment plan tailored to their condition. At the Pacific Facial Disorders Center, our team works together to provide comprehensive diagnosis and definitive treatment options for a wide array of facial nerve disorders and facial pain syndromes. Our doctors and surgeons practice at award winning hospitals throughout Los Angeles.
Facial Nerve Disorders Program Director and Otolaryngologist, Dr. Amit Kochhar, has over a decade of experience managing patients with facial paralysis. He treats and is accepting new patients from all over California, Arizona, Nevada, Oregon and Washington
Learn More About Traumatic Facial Paralysis
Traumatic facial paralysis typically results from injury to the facial nerve, which can occur due to head trauma, skull fractures, surgical complications, or penetrating injuries to the face. The severity can range from temporary nerve irritation to complete nerve disruption, depending on the nature and location of the trauma.
Treatment depends on the type and extent of the injury. Options may include observation and medical management, facial nerve decompression, nerve repair or grafting, nerve transfers, or facial reanimation procedures to restore movement and symmetry. A personalized approach is essential, and treatment is typically guided by imaging studies and nerve function tests.
The prognosis varies depending on the severity and location of the nerve injury, as well as how quickly treatment is initiated. Mild injuries may recover fully with time and physical therapy, while more severe injuries may require surgical intervention. With expert care and appropriate treatment, many patients experience meaningful functional and cosmetic improvement, especially when treated early.
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Get Expert Care from Leading Specialists
At Pacific Neuroscience Institute® (PNI), our specialists in facial reanimation perform a comprehensive evaluation—including a detailed medical history, physical examination, and diagnostic testing—to develop a personalized treatment plan for each patient with traumatic facial paralysis. Whether you’re seeking a second opinion, a new treatment strategy, or ongoing care, our team of top facial nerve surgeons and facial disorders experts is here to help you achieve the best possible outcome.