Understanding Trigeminal Neuralgia: A Guide to Facial Pain Relief

Trigeminal neuralgia is a condition that can make even simple actions—like brushing your teeth, applying makeup, or feeling a light breeze—trigger sudden, excruciating pain. Often misunderstood or misdiagnosed, trigeminal neuralgia is a chronic neurological disorder that affects the trigeminal nerve, which transmits sensations from the face to the brain.

For many patients, the journey leading up to diagnosis and lasting relief can be long and emotionally exhausting. At the MemorialCare Neuroscience Institute at Long Beach Medical Center, specialists take a comprehensive, compassionate approach—using advanced imaging and individualized treatment plans to help patients understand their symptoms and receive effective care.

What is Trigeminal Neuralgia?

Trigeminal neuralgia is a chronic disorder of the trigeminal nerve, which is responsible for facial sensation and motor functions such as chewing. When this nerve becomes irritated or compressed, it can send intense, stabbing pain signals that occur with little warning. Even minor activities like talking, smiling or lightly touching the face can trigger an episode.

There are two primary types of trigeminal neuralgia:

• Type 1 (classic): Sudden, severe, electric shock-like pain lasting from seconds to minutes.
• Type 2 (atypical): Constant, aching, or burning pain that is less intense but more persistent.

Trigeminal neuralgia most commonly affects individuals over 50 and occurs more often in women than in men.

Causes and Risk Factors

The most common cause of trigeminal neuralgia is vascular compression, which occurs when a blood vessel presses against the trigeminal nerve near its origin at the brainstem. Over time, this pressure can damage the nerve’s protective myelin sheath, leading to abnormal nerve signaling and pain.

Other possible causes include:

• Multiple sclerosis: Autoimmune damage to the myelin sheath.
• Tumors: Benign or malignant growths pressing on the nerve.
• Facial trauma or surgery: Rare contributors that can irritate nerve pathways.
• Idiopathic trigeminal neuralgia: Instances where no clear cause can be identified.

While the condition is not typically hereditary, aging and certain neurological conditions may increase risk.

How Trigeminal Neuralgia Differs from Other Facial Disorders

Trigeminal neuralgia is frequently mistaken for dental issues, sinus infections, or temporomandibular joint (TMJ) disorders because symptoms tend to overlap. However, trigeminal neuralgia pain has distinct characteristics—it is sharp, electric, and triggered by light touch or movement. These episodes come suddenly and last only a few seconds to minutes.

Key differences include:

• TMJ disorders: cause a dull ache or stiffness in the jaw, usually related to movement.
• Sinusitis: leads to facial pressure and congestion, often tied to infection and lasts days or weeks.
• Dental problems: create continuous throbbing pain that worsens with chewing or temperature changes.

Recognizing these differences is crucial to avoid misdiagnosis and unnecessary procedures. At the MemorialCare Neuroscience Institute, neurologists and neurosurgeons use advanced imaging and neurological testing to distinguish among these conditions and provide an accurate diagnosis as early as possible.

Diagnosing Trigeminal Neuralgia

Diagnosis begins with a thorough medical history and physical exam. Common indicators include sudden, one-sided facial pain triggered by routine activities and the absence of visible swelling or infection.

Diagnostic tools may include:

• MRI scans: to detect blood vessel compression, tumors, or signs of multiple sclerosis.
• Neurological exams: to assess nerve function and reflexes.
• Pain mapping: to identify exact trigger zones on the face.

Early diagnosis can help prevent worsening symptoms and minimize the emotional and physical toll of chronic pain. Once diagnosed, treatment plans are carefully tailored to each patient’s symptoms and overall health.

Treatment Options

The MemorialCare Neuroscience Institute at Long Beach Medical Center offers comprehensive, personalized care through a multidisciplinary team of neurosurgeons and pain management specialists. Treatment plans are tailored to each patient’s symptoms, overall health and lifestyle needs.

Medications

Medication is often the first line of treatment for trigeminal neuralgia. Commonly prescribed anticonvulsants include:

• Carbamazepine (Tegretol)
• Oxcarbazepine (Trileptal)
• Gabapentin (Neurontin)

These medications work by reducing abnormal nerve activity to help control pain. Muscle relaxants, such as baclofen, may also be used. For patients who experience side effects or limited relief, newer sodium‑channel blockers or topical therapies may offer additional options.

Nerve Blocks and Injections

When medications do not provide sufficient relief, minimally invasive procedures may offer temporary or intermediate pain control. These options include:

• Local anesthetic nerve blocks
• Glycerol or alcohol injections
• Botox injections targeting affected nerve branches

These procedures are performed on a same‑day, outpatient basis at the MemorialCare Neuroscience Institute.

Surgical Interventions

While many patients find meaningful relief with medications or minimally invasive procedures, surgery may be considered when conservative treatments do not provide adequate or lasting relief, or when pain worsens over time despite appropriate management. In these cases, neurosurgeons at the MemorialCare Neuroscience Institute carefully evaluate each patient to determine the most appropriate next step.

Whenever possible, procedures are performed using minimally invasive or noninvasive techniques, with a strong emphasis on safety, recovery and long‑term pain control. Many of these treatments are performed on an outpatient basis, allowing patients to return home the same day.

Surgical options offered include:

Microvascular Decompression (MVD)

Considered the most durable and nerve‑preserving surgical option, MVD relieves pressure on the trigeminal nerve by repositioning the compressing blood vessel and placing a protective cushion between them. This is an inpatient procedure, typically requiring a one‑ to two‑night hospital stay for monitoring and recovery.

Gamma Knife Radiosurgery

A noninvasive, outpatient procedure that uses highly focused radiation to interrupt pain signals along the trigeminal nerve. No incision is required, and patients return home the same day. Pain relief often develops gradually over weeks to months.

Percutaneous Procedures

These minimally invasive, same‑day procedures—including balloon compression, radiofrequency ablation or glycerol rhizotomy—are performed through a small needle or catheter inserted through the skin to selectively disrupt pain pathways. Patients typically go home the same day.

The most appropriate treatment depends on a patient’s overall health, age, pain pattern, response to prior therapies and personal preferences. The goal is always to achieve the best possible relief with the least disruption to quality of life.

Hope Through Innovation

The outlook for patients with trigeminal neuralgia continues to improve as advances in biological therapies, nerve‑regulating treatments and high‑resolution imaging make diagnosis and surgical planning more precise. At the MemorialCare Neuroscience Institute at Long Beach Medical Center, patients and families remain at the center of care, supported by advanced technology and a comprehensive, multidisciplinary approach.

The Institute’s interdisciplinary team—including neurologists, neurosurgeons, nurses, therapists and support staff—works across inpatient, outpatient, physician office and community settings to deliver personalized treatment plans tailored to each patient’s unique needs. The team also collaborates closely with referring providers and community resources to ensure coordinated, seamless care.

MemorialCare Long Beach Medical Center, recognized as a High Performing Hospital in Neurology and Neurosurgery by U.S. News & World Report, continues to advance patient care through clinical expertise, research and education. This commitment helps ensure patients have access to safer, more effective and increasingly personalized options for facial pain relief.

Learn more about the MemorialCare Neuroscience Institute.

Medically Reviewed by:

Sheri Palejwala, M.D., neurosurgeon, MemorialCare Neuroscience Institute, Long Beach Medical Center

About the Author:

Dr. Sheri K. Palejwala is a board-certified and fellowship-trained neurosurgeon who specializes in the treatment of tumors of the brain with Coast Neurosurgical Associates in Long Beach. Dr. Palejwala completed her undergraduate degree in neuroscience and biology at UCLA, followed by her medical degree from St. Louis University. She later completed her neurosurgical training at the University of Arizona serving as chief resident of neurosurgery. She then completed a fellowship from Barrow Neurological Institute followed by another fellowship from the John Wayne Cancer Institute.