Can Lyme Disease Cause Sudden Hearing Loss and Facial Palsy? Lyme Meningitis Explained

Can Lyme disease cause sudden hearing loss? In some cases, yes. Although uncommon, Lyme meningitis can inflame cranial nerve VIII (the vestibulocochlear nerve), which controls hearing and balance, as well as cranial nerve VII, which controls facial movement. The result may be sudden sensorineural hearing loss, tinnitus, dizziness, balance problems, and facial palsy.

This distinction matters because hearing loss caused by infection-related inflammation may be reversible when recognized early and treated appropriately.

For a broader overview, see Neurologic Lyme Disease.

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Sudden Sensorineural Hearing Loss From Lyme Meningitis

In their article Lyme neuroborreliosis as a cause of sudden sensorineural hearing loss and facial palsy, Nitro and colleagues describe a woman in her 40s who developed sudden hearing loss in both ears together with facial palsy and was ultimately diagnosed with Lyme meningitis.

“Bilateral hearing loss is rare,” the authors noted.

The patient presented to the emergency department with hearing loss in both ears, tinnitus, dizziness, neck pain, and neck stiffness. Her symptoms had been present for three days.

She was initially treated with amoxicillin-clavulanate for a presumed ear infection.

However, her condition rapidly evolved.

“During the night, a new urgent neurological consult was requested following sudden right facial palsy,” the authors wrote.

Sudden hearing loss followed by rapidly progressive facial weakness should prompt consideration of inflammation affecting multiple cranial nerves, including Lyme meningitis.

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Rapidly Progressive Facial Palsy

The patient received intravenous methylprednisolone, valaciclovir, and ceftriaxone while physicians considered several neurologic diagnoses.

Over the next two days, her neck pain improved, but the hearing loss and facial palsy persisted.

This mixed response increased concern for ongoing inflammation involving the nervous system.

Facial palsy accompanied by hearing loss, tinnitus, dizziness, and neck stiffness may indicate more extensive neurologic involvement than isolated Bell’s palsy.

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A Tick Bite One Year Earlier

Further questioning uncovered an important clue.

One year earlier, the patient had removed a tick from her right ear canal.

Subsequent testing confirmed Lyme disease, and MRI demonstrated findings consistent with Lyme meningitis involving multiple cranial nerves.

The inflammatory changes involved:

• Cranial nerve VII (facial nerve), responsible for facial movement.
• Cranial nerve VIII (vestibulocochlear nerve), responsible for hearing and balance.

This delayed connection between tick exposure and neurologic symptoms is one reason Lyme disease may be overlooked.

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Can Lyme Disease Hearing Loss Be Reversible?

The patient was treated with intravenous ceftriaxone and corticosteroids.

At the completion of treatment, the authors reported:

“At the end of the therapy, the patient showed a complete resolution of the meningeal inflammation, facial palsy, and sensorineural hearing loss.”

This outcome is clinically important because it demonstrates that Lyme-related hearing loss may improve when infection-related inflammation is recognized and treated promptly.

The authors also noted:

“The most challenging feature of this case was identifying a diagnostic connection between sudden sensorineural hearing loss and rapidly progressive unilateral facial palsy.”

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Why Lyme Meningitis Is Often Missed

Sudden sensorineural hearing loss has many possible causes, including viral infections, vascular disease, autoimmune disorders, tumors, and medication toxicity.

Because sudden sensorineural hearing loss is most often caused by viral, vascular, or idiopathic conditions, Lyme disease may not initially be considered—even in endemic areas.

Facial palsy may also suggest Bell’s palsy or Ramsay Hunt syndrome.

However, when hearing loss, tinnitus, dizziness, facial weakness, and neck stiffness occur together, clinicians should also consider Lyme meningitis.

This diagnostic overlap contributes to Lyme disease misdiagnosis, particularly in patients who never noticed a rash or do not recall a tick bite.

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Why Symptoms May Appear Months Later

Lyme disease may progress gradually.

After the initial infection, Borrelia burgdorferi may later involve the nervous system, producing inflammation of the meninges and the cranial nerves responsible for hearing, balance, and facial movement.

The authors emphasized:

“One of the most peculiar features of neuroborreliosis can manifest up to 1 year after a disseminated infection.”

Delayed neurologic symptoms may reflect persistent inflammation, immune responses, or gradual spread within the nervous system.

For that reason, clinicians should ask about tick exposure during the previous year when evaluating unexplained hearing loss, tinnitus, facial palsy, dizziness, or balance problems.

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Frequently Asked Questions

Can Lyme disease cause sudden hearing loss?

Yes. Although uncommon, Lyme disease may affect cranial nerve VIII and cause sudden sensorineural hearing loss, tinnitus, dizziness, or balance problems.

Can Lyme meningitis cause hearing loss?

Yes. Lyme meningitis may inflame the cranial nerves responsible for hearing and facial movement, leading to hearing loss together with facial palsy.

Can Lyme disease cause tinnitus?

Yes. Lyme neuroborreliosis may affect the auditory nerve or inner ear, causing tinnitus together with hearing loss, dizziness, balance problems, or facial weakness.

Can Lyme-related hearing loss improve?

In some patients, hearing loss related to infection-associated inflammation improves after appropriate antibiotic treatment.

How long after a tick bite can neurologic symptoms appear?

Neurologic Lyme disease may develop months or even a year after the original tick bite.

What is Lyme meningitis?

Lyme meningitis is a form of neurologic Lyme disease involving inflammation of the membranes surrounding the brain and spinal cord.

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Clinical Perspective

I have evaluated patients with tinnitus, hearing loss, dizziness, facial weakness, and balance problems whose Lyme disease diagnosis was delayed because these symptoms were initially attributed to inner ear disorders or Bell’s palsy. Careful attention to neurologic findings and prior tick exposure can change the diagnosis.

Most patients with sudden hearing loss do not have Lyme disease. However, in endemic regions, the combination of hearing loss, tinnitus, dizziness, facial palsy, neck stiffness, or other neurologic symptoms should prompt consideration of Lyme meningitis.

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Clinical Takeaway

Lyme disease can occasionally present with sudden sensorineural hearing loss, tinnitus, dizziness, and rapidly progressive facial palsy.

Because these symptoms overlap with viral, autoimmune, and vascular disorders, the diagnosis may initially be missed.

Recognizing the relationship between sudden hearing loss, cranial nerve involvement, and Lyme meningitis may allow earlier diagnosis and improve the likelihood of recovery.

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Related Articles

Learn more about hearing loss and other neurologic manifestations of Lyme disease:

• Can Lyme Disease Cause Hearing Loss?
• Lyme Disease Triggers Vertigo and Hearing Loss
• What Causes Tinnitus and Ear Fullness in Lyme Disease?
• Facial Palsy in Lyme Disease
• Neurologic Lyme Disease

References

1. Nitro L, Martino B, Fuccillo E, Felisati G, Saibene AM. Lyme neuroborreliosis as a cause of sudden sensorineural hearing loss and facial palsy. Clin Case Rep. 2022;10(10):e6412.

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Dr. Daniel Cameron, MD, MPH
Lyme disease clinician with over 30 years of experience and past president of ILADS.

Symptoms • Testing • Coinfections • Recovery • Pediatric • Prevention