Dr. Roseann

Estimated reading time: 9 minutes

If moods, focus, or behavior changed after outdoor time or a “mystery flu,” you’re not alone. This guide explains how infection can affect the brain—and what helps right now.

Parents hear about rashes and joint pain. Fewer hear that Lyme Disease and mental health symptoms often travel together. Anxiety, irritability, brain fog, sleep disruption, OCD-like behaviors, and even rage.

As a clinician and mom, I want you to have simple steps. Clear language. Real help.

You’ll learn:

What Lyme is
How it impacts mood and learning
What to do in the first 48 hours
When to push for testing
And how to stabilize the nervous system while you sort the medical side.

What Is Lyme?

Lyme is a bacterial infection (Borrelia burgdorferi) from black-legged ticks. Early signs can be subtle. Some never get the classic bull’s-eye rash.

Inflammation can affect the nervous system. That is where medical and mental health overlap.

What this looks like at home

Sleep changes, irritability, clinginess
Brain fog, slower processing, school avoidance
Headaches, fatigue, joint pain that comes and goes

Key points

The CDC estimates hundreds of thousands are diagnosed and treated yearly. Geographical risk is highest in the Northeast, Mid-Atlantic, and Upper Midwest.
Translation for parents: after outdoor exposure, behavior is communication. Put Lyme on your radar.

Stages of Lyme Disease From Infection to Chronic Symptoms

Could Lyme Trigger Anxiety, OCD-Like Behaviors, or Rage in Kids and Teens?

Yes—especially in the first year after diagnosis. Some large datasets show higher short-term psychiatric risk. Others show no long-term increase in specific subgroups. Science is evolving, and both truths can coexist.

Research in Denmark found no long-term increase in psychiatric diagnoses after confirmed neuroborreliosis. However, short-term psychiatric medication use rose in year one (Tetens et al., 2021).
A prospective cohort found that persistent symptoms after treatment were multi-factorial. It’s influenced by baseline functioning and cognitive-behavioral factors (Vrijmoeth et al., 2023).
A 2024 review describes moderate but consistent increases in persistent symptoms. It discusses immune and pain-sensitization pathways (Baarsma & Hovius, 2024).

“Physicians and patients should be aware of psychiatric symptoms—particularly the first year after diagnosis.” — Brian A. Fallon, MD

Parent snapshot:

“We never saw a tick. He just… changed.” Very common. Keep a timeline. Patterns tell the story.

What to Do After the First 48 Hours of a Tick Bite or Sudden Symptoms

Speed and documentation help.

Remove the tick with fine-tip tweezers; clean skin.
Save or photograph the tick (optional, for ID).
Photograph any rash daily.
Track symptoms, sleep, mood, and energy.
If a bull’s-eye rash, fever, neck pain, or sudden behavior change appears, call your pediatrician. Ask about local risk and whether prophylactic antibiotics are appropriate.
Treat early erythema migrans per clinical guidelines.

Early vs. Later Lyme (What Families Actually See)

Stage	Common Physical & Behavioral Signs	When to Call the Doctor
Early (3–30 days)	Fever, chills, headache, fatigue, possible bull’s-eye rash, swollen glands, irritability, clinginess, mild anxiety, or school avoidance	If fever or rash appears, or if your child suddenly seems unusually tired or “off”
Later (weeks–months)	Joint pain, facial palsy, nerve pain, headaches, dizziness, brain fog, OCD-like behaviors, mood swings, depression, or rage episodes	If neurological or emotional symptoms worsen, or new pain develops
Red Flags	Severe sleep reversal, personality changes, hallucinations, suicidal talk, chest pain, or fainting	Seek immediate medical care

When to Ask for Testing—And Which Tests Actually Help

Testing has windows. Early blood tests can be falsely negative.

Smart steps

Discuss two-tier or modified two-tier serology at the right time window.
If neurologic signs appear, ask about further work-up.
Negative early test but strong clinical picture? Ask about retesting and clinical decision-making based on exposure and exam.

Parent example:

Nely’s 10-year-old developed intrusive worries after camping. No rash. Her symptom log—sleep, mood, and headaches—helped the doctor connect the dots. Context speeds care.

How to Calm Your Child’s Brain When They’re Spiraling

No healing happens in a dysregulated nervous system. Let’s calm the brain first so your child can think, cope, and recover.

Regulate → Connect → Correct™

Regulate: predictable routines, rhythmic breathing, movement breaks, sensory input.
Connect: soft eyes and voice. Your calm nervous system helps your child’s calm.
Correct: once calm, teach coping and problem-solving.

Micro-Tools You Can Start Today

Box breathing (4-4-4-4) before transitions.
10-minute outdoor walk or “heavy work” (wall push-ups).
Protein + fiber at breakfast; steady hydration; earlier lights-out.
Noise-dampening headphones during homework.

Infographic showing calm-the-brain starter kit with breathing, movement, hydration, sleep, and protein tips to support Lyme disease and mental health.

Parent example:

Andre, 12, with ADHD, had meltdowns during homework. We added movement breaks every 20 minutes, protein at snack, and a “pause-breathe-rewrite” script. Two weeks later, meltdowns dropped. Small shifts calm big storms.

Why Early Diagnosis Changes Outcomes

Delays raise the chance of persistent symptoms that look psychiatric. Early care is protective.

“Post-treatment Lyme disease syndrome (PTLDS) is a real disorder that causes severe symptoms in the absence of clinically detectable infection.” — John N. Aucott, MD

Parent example:

Eliza, 8, went from sunny to suspicious and clingy after a lake week. “Wait and see” missed it. When joint pain and school refusal appeared, testing and treatment followed—and her spark returned. Earlier is easier.

If Symptoms Linger After Treatment, What Helps?

Some kids, teens, and adults experience post-treatment symptoms—fatigue, pain, brain fog, and mood changes. It’s real and multi-factorial.

Studies point to baseline stress, sleep, and cognitive-behavioral factors. And with immune mechanisms also discussed (Vrijmoeth et al., 2023; Baarsma & Hovius, 2024).

What helps now

Treat comorbid issues (sleep apnea, iron deficiency, ADHD).
Gentle, graded return to activity—avoid boom-and-bust.
Keep regulation tools; consider neurofeedback, CBT-I, or OT.
Re-consult your clinician if new neurologic signs

“Lyme disease does not begin as a psychiatric illness… late in the progression, neurological, cognitive, and psychiatric symptoms predominate.” — Robert C. Bransfield, MD

Partnering With the School When Behavior Is Communication

You can’t teach a dysregulated brain. Start with safety and sensory load.

Ask for

Movement breaks and flexible seating.
Visual schedule; fewer transitions; quiet space.
Shortened assignments during flares; 504/IEP

Script

“When he’s flooded, we pause. Regulate → Connect → Correct™. We’ll teach after he’s calm.”

Bringing the Brain Back in Balance After Lyme

If you’re reading this, you’ve already taken the hardest step—looking for answers. You’re not failing; this is dysregulation, not defiance.

Lyme disease can disrupt the nervous system, leaving kids and adults anxious, foggy, or emotionally drained. But balance can be restored.

When we calm the brain, we create the conditions for healing. Small daily shifts—breathing, consistent sleep, nutrient-rich meals, safe movement. Retrain the nervous system and bring back focus, peace, and connection.

Your Next Steps: Download The Natural PANS/PANDAS Calm Brain Kit and learn simple, natural ways to calm your child’s brain.

Understanding the link between Lyme disease and mental health gives you clarity, direction, and hope. Behavior isn’t the enemy—it’s communication.

FAQs

How soon after a tick bite do symptoms start?

Any time from 3 to 30 days for early signs. Mood or sleep changes can appear early or later. Keep photos and notes.

Can Lyme disease and mental health symptoms improve after treatment?

Often, yes. Many improve quickly. Others need steady regulation, sleep support, and school accommodations during recovery (Tetens et al., 2021; Vrijmoeth et al., 2023).

What if tests are negative, but my child is worse?

Early tests can miss cases. Share exposure history and your timeline. Ask about clinical diagnosis, proper test timing, and retesting.

Is there a suicide risk?

One large registry study found a higher risk of mental disorders and suicide attempts after hospital-diagnosed Lyme, especially in year one (Fallon et al., 2021). Address mood symptoms early and seek help at once if there are safety concerns.

Terminology

Erythema migrans (EM): Classic bull’s-eye rash. Not everyone gets it.
Neuroborreliosis: When Lyme affects the nervous system.
Post-treatment Lyme disease symptoms: Persistent fatigue, pain, or brain fog after standard therapy.
Co-regulation: Your calm helps your child’s calm.
Regulate → Connect → Correct™: Calm first, connect second, teach last.

Citations

Baarsma, M. E., & Hovius, J. W. (2024). Persistent symptoms after Lyme disease: Clinical characteristics, predictors, and classification. Journal of Infectious Diseases, 230(Suppl. 1), S62–S69. https://doi.org/10.1093/infdis/jiae203

Tetens, M. M., Haahr, R., Dessau, R. B., et al. (2021). Assessment of the risk of psychiatric disorders, use of psychiatric hospitals, and receipt of psychiatric medication among patients with Lyme neuroborreliosis in Denmark. JAMA Psychiatry, 78(2), 177–186.
https://doi.org/10.1001/jamapsychiatry.2020.2915

Vrijmoeth, H. D., Harms, M. G., Tulen, A. D., et al. (2023). Determinants of persistent symptoms after treatment for Lyme borreliosis: A prospective observational cohort study. EBioMedicine, 98, 104825.
https://doi.org/10.1016/j.ebiom.2023.104825

Always remember... “Calm Brain, Happy Family™”

Disclaimer: This article is not intended to give health advice, and it is recommended to consult with a physician before beginning any new wellness regimen. The effectiveness of diagnosis and treatment varies from patient to patient and condition to condition. Dr. Roseann Capanna-Hodge, LLC, does not guarantee specific results.