Is Lyme disease really common in Wisconsin?

Yes. Wisconsin consistently ranks among the top states in the U.S. for confirmed Lyme disease cases. Northern and western Wisconsin are particularly high-risk areas due to dense populations of black-legged (deer) ticks. Cases peak from May through September.

Can Lyme disease cause psychiatric symptoms?

Yes. Both acute and post-treatment Lyme disease have been associated with depression, anxiety, panic attacks, irritability, brain fog, sleep disturbance, and rarely psychosis. The mechanism is believed to involve neuroinflammation and immune dysregulation rather than direct brain infection in most cases.

How is Lyme diagnosed?

Diagnosis combines clinical features (erythema migrans rash, exposure history, joint or neurologic symptoms) with two-tier serologic testing (ELISA followed by Western blot). Testing in the first few weeks of illness can be falsely negative, so timing and clinical judgment matter.

What is post-treatment Lyme disease syndrome (PTLDS)?

PTLDS describes persistent fatigue, cognitive complaints, pain, and mood symptoms that continue more than 6 months after standard antibiotic treatment. Estimates suggest 5–20% of treated patients experience some lingering symptoms, though severity varies widely.

Can a telehealth provider help with Lyme-related mental health symptoms?

Yes. Inspiring Transformations LLC can evaluate mood, anxiety, sleep, and cognitive symptoms in patients with active or prior Lyme disease, coordinate with the patient's infectious disease or primary care provider, and manage psychiatric medications across Wisconsin.

Wisconsin Health

Lyme Disease and Mental Health: What Wisconsin Patients Should Know

Wisconsin is a national hot spot for Lyme disease. Here's how it can affect mood, anxiety, and cognition — and what to do about it.

Christine M. Forge, MSN, PMHNP-BC, FNP-C• 11 min read•May 2026

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Wisconsin sits in the heart of one of the most concentrated Lyme disease zones in the country. From late spring through early fall, black-legged ticks are active in wooded yards, hiking trails, cabins, and farmland across the state — and Wisconsin consistently ranks among the top U.S. states for confirmed cases each year.

What's less widely understood is that Lyme disease has meaningful neuropsychiatric effects. New or worsening depression, anxiety, irritability, brain fog, and sleep disturbance can all be part of the clinical picture — both during acute infection and in the months that follow.

Key Takeaways

Wisconsin is a top-10 state for confirmed Lyme disease cases.
Acute Lyme can cause depression, anxiety, irritability, and cognitive symptoms.
Post-treatment Lyme disease syndrome (PTLDS) affects 5–20% of treated patients.
Mental health symptoms after Lyme are real, treatable, and not 'in your head.'
Telehealth psychiatric care can coordinate with infectious disease and primary care across Wisconsin.

The Wisconsin Tick Picture

Black-legged tick range

Ixodes scapularis (deer tick) populations are dense across northern, central, and western Wisconsin. Counties along the St. Croix and Mississippi rivers and throughout the Northwoods carry the highest exposure risk.

Peak season: May–September

Nymph-stage ticks — the smallest and most likely to transmit Lyme — peak in early summer and are easy to miss.

Co-infections matter

Wisconsin ticks can also carry anaplasmosis, babesiosis, and other pathogens — sometimes in the same bite — complicating both physical and mental health symptoms.

Mental Health Symptoms Linked to Lyme

New or worsening depression
Generalized anxiety, panic attacks
Irritability and emotional reactivity
Cognitive 'brain fog' — slower processing, word-finding issues
Memory complaints and concentration difficulties
Sleep disturbance and unrefreshing sleep
Fatigue out of proportion to activity
Rarely: psychotic symptoms or marked personality change

Acute Lyme vs. Post-Treatment Lyme

Acute Lyme

Days to weeks after a bite: erythema migrans rash, fever, fatigue, headache, joint pain, sometimes cranial nerve palsy. Mood and anxiety symptoms can emerge during this inflammatory phase.

PTLDS

Symptoms persisting >6 months after recommended antibiotic treatment — fatigue, cognitive complaints, pain, and mood disturbance. Mechanism likely involves persistent neuroinflammation and autonomic dysregulation.

How Mental Health Care Helps

Psychiatric treatment doesn't replace antibiotic treatment for active infection — but it plays a meaningful role in recovery. Common approaches include:

• SSRIs or SNRIs for depression and anxiety
• Sleep optimization (often the first lever to pull)
• Targeted use of stimulants or non-stimulants for cognitive complaints when appropriate
• CBT and behavioral activation for pacing and recovery
• Coordination with infectious disease and primary care

Frequently Asked Questions

Wisconsin Telehealth Mental Health Care

If Lyme — or post-Lyme symptoms — are affecting your mood, anxiety, sleep, or cognition, Christine M. Forge offers virtual psychiatric evaluation and treatment across Wisconsin.

Wisconsin Telehealth Book Appointment

Medical Disclaimer: This article is for educational purposes only and is not a substitute for individualized medical advice, diagnosis, or treatment of Lyme disease or any psychiatric condition.

References

Centers for Disease Control and Prevention. Lyme Disease Surveillance Data. cdc.gov/lyme
Wisconsin Department of Health Services. Tickborne Diseases in Wisconsin.
Fallon, B. A., et al. Lyme borreliosis and associations with mental disorders and suicidal behavior. American Journal of Psychiatry.
Aucott, J. N., et al. Post-treatment Lyme disease syndrome: clinical features and management. Infectious Disease Clinics of North America.
Lantos, P. M., et al. IDSA/AAN/ACR Guidelines for Lyme disease.

Virtual Healthcare

Psychiatric Mental Health Nurse Practitioner & Family Nurse Practitioner

Christine provides telehealth psychiatric and primary care to patients across Wisconsin, Florida, and Nevada.