Lyme Disease Sudden Hearing Loss: When SSNHL May Be Reversible
SUDDEN HEARING LOSS?
TINNITUS OR FULLNESS?
COULD THIS BE LYME DISEASE
Lyme disease sudden hearing loss may be an underrecognized cause of sudden sensorineural hearing loss (SSNHL). While many cases are labeled idiopathic, some patients test positive for Lyme disease and may improve with antibiotic treatment.
Sudden sensorineural hearing loss is defined as a loss of 30 dB or more across at least three adjacent frequencies within 72 hours.
This condition has many potential causes, including viral infection, vascular injury, autoimmune disease, tumors, stroke, or prior radiation exposure. However, in nearly 90% of cases, no clear cause is identified.
Lyme Disease and Sudden Hearing Loss
In one study of 86 hospitalized patients with SSNHL, 9 tested positive for Lyme disease. Other reports suggest that up to 21% of SSNHL patients may have evidence of Lyme infection.
These findings raise an important question: how many cases of sudden hearing loss are missed due to incomplete evaluation?
For more on overlapping symptoms, see tinnitus and hearing loss in Lyme disease.
Response to Standard Treatment
Patients in the study did not improve with initial treatment using corticosteroids or microcirculatory agents.
This is notable because steroids are commonly used for SSNHL—but may not address infectious causes such as Lyme disease.
Hearing Recovery After Antibiotics
Seven patients were treated with antibiotics, including doxycycline or intravenous ceftriaxone.
- One patient treated with doxycycline had modest improvement (~10 dB)
- Three patients treated with ceftriaxone experienced complete recovery of hearing
This suggests that some cases of sudden hearing loss may be reversible when Lyme disease is identified and treated appropriately.
How Lyme Disease May Affect Hearing
Borrelia burgdorferi may contribute to:
- Inflammation of inner ear structures
- Vascular (angiopathic) injury affecting cochlear blood flow
- Damage to the auditory nerve
These mechanisms may explain both hearing loss and persistent symptoms such as tinnitus.
When to Consider Lyme Disease in SSNHL
Lyme disease should be considered when sudden hearing loss occurs alongside:
- Tinnitus or ear fullness
- Dizziness or balance problems
- neurologic symptoms
- Fatigue or cognitive changes
- History of tick exposure
For a broader overview, see Lyme disease symptoms guide.
Risk of Delayed Diagnosis
The authors caution that longer duration of untreated infection increases the risk of permanent hearing damage.
This reflects a broader pattern seen in Lyme disease, where delayed diagnosis may lead to more persistent or irreversible symptoms.
Clinical Takeaway
Lyme disease sudden hearing loss is often missed when SSNHL is labeled idiopathic.
Patients who do not respond to standard therapies—particularly steroids—may benefit from evaluation for Lyme disease, especially when other neurologic or systemic symptoms are present.
Early recognition may improve the likelihood of hearing recovery.
Frequently Asked Questions
Can Lyme disease cause sudden hearing loss?
Yes. Lyme disease may contribute to sudden sensorineural hearing loss through inflammation and vascular injury affecting the inner ear.
Is sudden hearing loss reversible in Lyme disease?
Some patients improve or recover completely with antibiotic treatment, especially when diagnosed early.
Do steroids treat Lyme-related hearing loss?
Steroids may not be effective if the underlying cause is infection. Antibiotics may be required.
When should Lyme disease be considered?
Consider Lyme disease when hearing loss occurs with tinnitus, dizziness, neurologic symptoms, or a history of tick exposure.
Related Article
Lyme disease patient with permanent tinnitus and hearing loss
References
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
I was shocked to read this article on Lyme & Sudden Hearing Loss. I’ve never read this before. I definitely believe this is what happened to me. I’ve had Menieres & resultant moderate-severe hearing loss since my 20’s. In my mid-forties I contracted Lyme, Babsia & a few other virals. But, Boom! My hearing loss went straight to Profound loss. Un-aidable loss! Completely deaf! Definitely tragic & devastating in a multitude of ways! It was nearly two years before I was diagnosed with my Lyme complex and then treated. Which of course this treatment was too late for my deafness. The deafness was horrifying, but the resulting non stop tinnitus was nearly too much to endure. People don’t realize that most deafness is NOT quiet. I nearly always have four distinctly different tones, two in each ear. These tones do vary in volume & intensity, from annoying background to full on raging. Many times filling my head with sooo much noise, volume and a wind up & up & up to the point that my head is so ‘heavy’ causing complete physical exhaustion! Relief with any noise diversion tactics/therapies were of no benefit, as I could not hear them. Finally, about fifteen years later I was fortunate to have bilateral Cochlear Implants. With the CI’s the tinnitus changes completely while wearing them, is a welcomed bonus. And, I also have gradually increased to some very nice hearing in one ear, and in the other ear I’ve obtained a good ‘hearing’ levels, but still rather poor speech discrimination. Lyme itself has been an awful journey which we are all well acquainted in the multi facets, medical, economic, social & relationships. With Lyme treatment I was not cured. I was brought up out of the depths of my pain & debilitating illness to a new ‘impaired’ level of physical status and finally an acceptance of my new being. With much the same of my deafness. I have great relief with my CI’s & an acceptance of my new hearing.
Thank you for this article and the validation of my Lyme – Hearing Loss experience.
breaking this into short paragraphs for us neuro cognitive lyme patients to be able to read and comprehend better.
..
• Judy Ann Closser
05/06/2021 (1:35 pm)
• I was shocked to read this article on Lyme & Sudden Hearing Loss.
•
• I’ve never read this before.
•
• I definitely believe this is what happened to me.
•
• I’ve had Menieres & resultant moderate-severe hearing loss since my 20’s.
•
• In my mid-forties I contracted Lyme, Babsia & a few other virals.
•
• But, Boom!
•
• My hearing loss went straight to Profound loss.
•
• Un-aidable loss!
•
• Completely deaf!
•
• Definitely tragic & devastating in a multitude of ways!
•
• It was nearly two years before I was diagnosed with my Lyme complex and then treated.
•
• Which of course this treatment was too late for my deafness.
•
• The deafness was horrifying, but the resulting non-stop tinnitus was nearly too much to endure.
•
• People don’t realize that most deafness is NOT quiet.
•
• I nearly always have four distinctly different tones, two in each ear.
•
• These tones do vary in volume & intensity, from annoying background to full on raging.
•
• Many times filling my head with so much noise, volume, and a wind-up & to the point that my head is so ‘heavy’ causing complete physical exhaustion!
•
• Relief with any noise diversion tactics/therapies were of no benefit, as I could not hear them.
•
• Finally about fifteen years later, I was fortunate to have bilateral Cochlear Implants.
•
• With the CI’s the tinnitus changes completely while wearing them, is a welcomed bonus.
•
• And, I also have gradually increased to some very nice hearing in one ear.
•
• In the other ear, I’ve obtained a good ‘hearing’ levels, but still rather poor speech discrimination.
•
• Lyme itself has been an awful journey, which we are all well acquainted in the multi-facets, medical, economic, social & relationships.
•
• With Lyme treatment, I was not cured.
•
• I was brought up out of the depths of my pain & debilitating illness to a new ‘impaired’ level of physical status and finally an acceptance of my new being.
•
• With much the same of my deafness. I have great relief with my CI’s & an acceptance of my new hearing.
•
• Thank you for this article and the validation of my Lyme – Hearing Loss experience.