Neurologic Lyme Disease: Understanding Nervous System Symptoms

Neurologic Lyme disease occurs when infection with Borrelia burgdorferi affects the brain, spinal cord, or peripheral nerves. These neurologic manifestations represent some of the most complex symptoms of Lyme disease and can involve both the central and peripheral nervous system.

Patients with neurologic Lyme disease may experience symptoms such as headaches, brain fog, memory problems, dizziness, nerve pain, or facial palsy. Because these symptoms resemble many other neurologic disorders, Lyme disease may be overlooked during the diagnostic process.

Patients with neurologic symptoms related to Lyme disease may benefit from evaluation by a Lyme disease specialist, particularly when symptoms are persistent, unexplained, or difficult to diagnose.

Neurologic symptoms may evolve gradually and are often not recognized early. See delayed Lyme disease diagnosis for how these patterns unfold over time.

This page provides an overview of neurologic Lyme disease and its major clinical patterns. For a broader overview of symptoms affecting multiple body systems, see the Lyme disease symptoms guide.

Key Patterns of Neurologic Lyme Disease

Neurologic Lyme disease does not present as a single condition. Instead, it typically appears as overlapping patterns affecting different parts of the nervous system.

1. Cognitive Dysfunction and Brain Fog

Many patients report difficulty with memory, concentration, processing speed, and executive function—commonly described as brain fog. These symptoms often fluctuate and may worsen with fatigue, stress, or exertion.

2. Neuropsychiatric Symptoms

Lyme disease can affect mood, behavior, and emotional regulation. Patients may develop anxiety, depression, panic attacks, irritability, or more severe symptoms such as paranoia or psychosis.

👉 See detailed guide: Neuropsychiatric Lyme disease

3. Peripheral Neuropathy

Nerve involvement may cause numbness, tingling, burning pain, or hypersensitivity. In some cases, small fiber neuropathy is present even when standard tests are normal.

👉 Learn more: Lyme disease neuropathy

4. Autonomic Dysfunction

The autonomic nervous system may be affected, leading to dizziness, palpitations, temperature dysregulation, and difficulty tolerating activity.

👉 See detailed guide: Autonomic dysfunction in Lyme disease

Key points:

Neurologic Lyme disease affects both the central and peripheral nervous system.
Symptoms often include brain fog, headaches, nerve pain, dizziness, and facial palsy.
Neurologic symptoms may appear early or develop over time.
These symptoms often overlap with psychiatric, autonomic, and sensory conditions.

Common Neurologic Lyme Disease Symptoms

Brain fog and slowed thinking
Memory problems and cognitive dysfunction
Headaches
Dizziness or balance problems
Nerve pain (neuropathy)
Radicular pain involving the back or limbs
Facial palsy (Bell’s palsy)
Sensory disturbances such as tingling or burning sensations

Neuropathy symptoms such as burning, tingling, or numbness are common in Lyme disease. See our Lyme disease neuropathy guide for a detailed overview.

For a symptom-focused breakdown, see Lyme neuropathy symptoms.

Some patients also develop more complex neurologic complications involving inflammation of the nervous system, including meningitis, encephalopathy, and peripheral neuropathy.

These neurologic symptoms may reflect underlying mechanisms such as neuroinflammation in Lyme disease, where inflammation in the central nervous system can disrupt signaling, sensory processing, and cognitive function even when standard testing appears normal.

In children, neurologic Lyme disease may present differently than in adults. Behavioral changes, school difficulties, headaches, or facial palsy may be early clues. For more discussion see pediatric Lyme disease.

Neurologic Symptom Patterns

Neurologic Lyme disease can affect multiple parts of the nervous system. Symptoms often cluster into recognizable patterns involving vision, autonomic regulation, cognition, or peripheral nerve function.

Visual symptoms – blurred vision, double vision, or light sensitivity. See eye symptoms of Lyme disease.
Autonomic symptoms – dizziness, palpitations, and orthostatic intolerance. See autonomic dysfunction.
Cognitive symptoms – brain fog, slowed thinking, and memory problems. See brain fog.
Peripheral nerve symptoms – neuropathy, radicular pain, or abnormal sensations such as burning or tingling in the limbs.

These autonomic symptoms may, in some cases, be related to postural orthostatic tachycardia syndrome (POTS).

Why Neurologic Lyme Disease Is Often Missed

Neurologic Lyme disease can be difficult to recognize because symptoms overlap with many other neurologic conditions. Many patients in this situation later ask why Lyme disease was not identified sooner. Learn more about why Lyme disease may not be diagnosed right away. Patients may initially be evaluated for disorders such as multiple sclerosis, chronic fatigue syndrome, fibromyalgia, migraine disorders, or psychiatric illness before Lyme disease is considered.

To learn more about these diagnostic challenges, see our page on Lyme disease misdiagnosis.

Visual and Eye Symptoms in Neurologic Lyme Disease

Visual symptoms are a common but often overlooked part of neurologic Lyme disease. Patients may experience difficulty focusing, double vision, visual motion sensitivity, or a sense that their eyes are not working together properly.

These symptoms are frequently linked to neuroinflammation, cranial nerve involvement, and autonomic dysfunction affecting visual coordination.

For a detailed breakdown, see our Eye Symptoms in Lyme Disease page.

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Editor’s note: In my clinical experience, neurologic symptoms are among the most concerning manifestations of Lyme disease and often prompt patients to seek specialized medical evaluation.

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

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Neurologic Lyme Disease: Understanding the Nervous System Symptoms