Neuropsychiatric Lyme Disease: Anxiety, OCD, Brain Fog, and More

Anxiety, OCD symptoms, and brain fog may overlap with neurologic Lyme disease.
Some patients report mood, behavioral, and cognitive changes that complicate diagnosis.
Recognizing these symptoms early may reduce delays in care.

Neuropsychiatric Lyme disease refers to cognitive, behavioral, emotional, and psychiatric symptoms that may occur alongside neurologic manifestations of tick-borne illness. Patients often describe symptoms affecting concentration, mood, sleep, and daily functioning.

These symptoms are not unique to Lyme disease and may overlap with psychiatric disorders, autoimmune disease, sleep disorders, autonomic dysfunction, medication effects, and other neurologic conditions. Still, many patients report that neuropsychiatric symptoms become part of their illness experience.

Common Neuropsychiatric Lyme Symptoms

Patients with neuropsychiatric Lyme disease may experience symptoms affecting mood, behavior, memory, and cognition.

• Brain fog and slowed thinking
• Anxiety or panic attacks
• Obsessive thoughts or OCD symptoms
• Depression or low mood
• Memory problems
• Difficulty concentrating
• Sensory sensitivity
• Sleep disturbances
• Mood swings or irritability
• Intrusive thoughts
• Depersonalization or derealization
• Emotional dysregulation

Symptoms may fluctuate over time and can overlap with autonomic dysfunction, sleep disorders, chronic pain syndromes, and co-infections.

Brain Fog and Cognitive Symptoms

Cognitive dysfunction is among the most frequently reported neurologic complaints. Patients often describe problems with memory, word finding, multitasking, processing speed, and concentration.

Many patients describe these changes as “brain fog,” though symptoms may range from mild forgetfulness to significant impairment affecting work, school, or relationships.

Can Lyme Disease Cause Anxiety or Panic Attacks?

Some patients report new-onset anxiety, panic episodes, internal tremors, palpitations, dizziness, or feelings of impending doom during illness.

These symptoms may overlap with autonomic dysfunction, including orthostatic intolerance and POTS, which can produce symptoms that mimic anxiety disorders.

Clinicians may need to consider neurologic, psychiatric, autonomic, endocrine, and medication-related causes when evaluating these symptoms.

Obsessive Thoughts, OCD Symptoms, and Behavioral Changes

Obsessive thoughts, compulsive behaviors, intrusive thoughts, and emotional dysregulation have been reported by some patients with neuropsychiatric symptoms.

Behavioral changes may include irritability, rage episodes, sensory overload, emotional lability, sleep disruption, and worsening cognitive performance.

Children and adolescents may present differently, sometimes with abrupt behavioral or cognitive changes.

Why Neuropsychiatric Symptoms Are Often Missed

Patients with neuropsychiatric symptoms are frequently evaluated by multiple specialists because symptoms overlap with primary psychiatric disease, autoimmune disorders, chronic fatigue syndromes, and neurologic conditions.

When anxiety, panic, brain fog, insomnia, or mood changes dominate the clinical picture, tick-borne illness may not always be considered early.

FAQ

Can Lyme disease cause panic attacks?

Some patients report panic-like episodes with dizziness, palpitations, sweating, chest discomfort, or internal tremors. These symptoms may overlap with autonomic dysfunction and anxiety disorders.

Can Lyme disease cause intrusive thoughts?

Intrusive thoughts and obsessive symptoms have been reported by some patients, though careful psychiatric and medical evaluation remains important.

Can Lyme disease cause rage or mood swings?

Irritability, emotional lability, mood changes, and behavioral symptoms have been described in some patients with neurologic manifestations.

Can Lyme disease cause brain fog?

Brain fog is commonly used to describe problems with concentration, memory, word finding, and slowed thinking.

Clinical Perspective

Neuropsychiatric symptoms can be among the most disruptive manifestations reported by patients with Lyme disease. Anxiety, cognitive symptoms, behavioral changes, and mood symptoms deserve careful evaluation because many overlapping medical and psychiatric conditions can contribute.

Clinical Takeaway

Neuropsychiatric Lyme disease may involve anxiety, OCD symptoms, brain fog, mood changes, sleep disruption, and behavioral symptoms. Recognizing these symptoms early may reduce delays in diagnosis and broaden consideration of contributing factors.

Related Articles

Brain fog and anxiety in Lyme disease
Autonomic dysfunction and Lyme disease
POTS and Lyme disease
Sleep disorders and Lyme disease

References

1. Johnco C, Kugler BB, Murphy TK, Storch EA. Obsessive-compulsive symptoms in adults with Lyme disease. Gen Hosp Psychiatry. 2018;51:85-89.
2. Rhee H, Cameron DJ. Lyme disease and pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS): an overview. Int J Gen Med. 2012;5:163-174.
3. Šegždaitė G, Aliukonytė O, Pociūtė K. Neuropsychiatric manifestations of Lyme disease: A literature review of psychiatric and cognitive impacts. Acta Med Litu. 2025;32(1):6-21.
4. Bransfield RC. Neuropsychiatric Lyme borreliosis: An overview with a focus on a specialty psychiatrist’s clinical practice. Healthcare. 2018;6(3):104.

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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