Fatal Neuroborreliosis: Can Lyme Disease Be Fatal?
Neuroborreliosis rarely becomes life threatening
Severe neurologic symptoms may complicate diagnosis
Competing illnesses may affect outcomes
Fatal neuroborreliosis Lyme disease is uncommon, but severe neurologic Lyme disease can create complex diagnostic and treatment challenges. Neuroborreliosis typically presents with headaches, meningitis, facial palsy, radicular pain, cognitive symptoms, or other neurologic manifestations.
When patients present with severe neurologic symptoms alongside multiple medical problems, determining whether Lyme disease is the primary cause—or one of several contributing factors—can become difficult.
This case highlights those challenges through the experience of a woman with multiple comorbidities, severe neurologic disease, and ultimately a fatal outcome.
Understanding how neuroborreliosis presents may help clinicians recognize severe disease earlier while avoiding oversimplified explanations for complicated illnesses.
Severe Neurologic Presentation Raised Multiple Concerns
The patient described by Khan and colleagues had significant preexisting medical problems including lupus, migraine headaches, congenital hydrocephalus, and a left posterior parietal ventriculoperitoneal shunt.
Diagnostic testing revealed renal failure and evidence of shunt-related complications. During hospitalization, she developed cardiac arrest requiring defibrillation and vasopressor support.
Brain imaging demonstrated evidence of acute ischemic injury. Additional imaging identified bilateral pulmonary emboli and stress-induced cardiomyopathy.
These findings complicated efforts to determine how much of the patient’s illness could be attributed to neurologic Lyme disease versus competing diagnoses.
Spinal Fluid Findings Suggested Neuroborreliosis
A lumbar puncture showed substantial abnormalities including pleocytosis, markedly elevated protein levels, and evidence supporting Lyme disease involvement of the nervous system.
Khan and colleagues reported that lumbar puncture results revealed elevated Borrelia burgdorferi antibodies in the cerebrospinal fluid (CSF) at 1.37, with a normal value listed as less than 0.99.
Blood testing for Lyme disease was reportedly negative despite abnormal spinal fluid findings.
CSF abnormalities often become important when evaluating suspected persistent Lyme disease mechanisms involving the nervous system, although diagnosis still requires integration of symptoms, history, laboratory findings, and competing explanations.
Can Neuroborreliosis Become Fatal?
Fatal neuroborreliosis appears uncommon. However, severe neurologic complications—including encephalopathy, stroke-like syndromes, meningitis, autonomic instability, and multifactorial critical illness—can occur.
In this case, the patient’s outcome likely reflected multiple overlapping conditions rather than Lyme disease alone.
The authors reported that despite intravenous ceftriaxone therapy, the patient remained ventilator dependent with minimal improvement.
After discussions regarding prognosis and goals of care, treatment was withdrawn after approximately two weeks of hospitalization.
Competing Diagnoses Often Complicate Severe Lyme Cases
Cases involving severe neurologic symptoms require clinicians to consider alternative or overlapping diagnoses.
Potential competing explanations may include:
- Autoimmune disease
- Structural neurologic abnormalities
- Hydrocephalus complications
- Stroke syndromes
- Thromboembolic disease
- Medication effects
- Other infectious conditions
Diagnostic complexity remains one reason Lyme disease misdiagnosis continues to create challenges for both patients and clinicians.
Why Early Recognition Matters
Many patients with neuroborreliosis recover with treatment, particularly when disease is recognized earlier.
Delayed diagnosis may increase the likelihood of prolonged neurologic symptoms, complicated presentations, or diagnostic confusion.
Recognizing symptoms early—including headaches, facial weakness, sensory changes, cognitive problems, radicular pain, and meningitis symptoms—may improve outcomes.
Frequently Asked Questions
Is neurological Lyme disease fatal?
Fatal outcomes appear uncommon. Severe neurologic Lyme disease may become life threatening in rare circumstances, particularly when combined with other serious illnesses.
What is neuroborreliosis?
Neuroborreliosis refers to nervous system involvement from Lyme disease affecting the brain, spinal cord, meninges, or peripheral nerves.
Can Lyme disease affect the brain?
Yes. Lyme disease may contribute to cognitive symptoms, meningitis, encephalopathy, cranial neuropathies, and other neurologic manifestations.
How is neuroborreliosis diagnosed?
Diagnosis relies on symptoms, neurologic findings, laboratory testing, spinal fluid evaluation, and exclusion of competing diagnoses.
Can Lyme disease cause encephalopathy?
Some patients with neurologic Lyme disease report cognitive impairment, slowed processing, confusion, and encephalopathic symptoms.
Clinical Takeaway
Fatal neuroborreliosis remains rare, but severe neurologic illness associated with Lyme disease can create substantial diagnostic uncertainty.
Complex presentations involving multiple illnesses require careful evaluation because severe neurologic symptoms may reflect Lyme disease, competing diagnoses, or both.
Related Articles
These articles explore neurologic manifestations, persistent symptoms, and diagnostic challenges associated with Lyme disease.
Neurologic Lyme Disease
Lyme Disease Symptoms Guide
Delayed Lyme Disease Diagnosis
Post-Treatment Lyme Disease Syndrome
Brain Fog in Lyme Disease
References
- Khan S, Bhattal GK, Shah NH, Lascano J, Karki A. Neuroborreliosis With Unusual Presentation: A Case Report. Cureus. 2019;11(9):e5758.
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
