Lyme Disease

Explore Lyme disease topics such as causes, spread, symptoms, diagnosis, treatment, and case data.

This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

Ixodes scapularis tick on a blade of grass.

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Lyme disease information on symptoms, prevention, tick removal, testing, and what CDC is doing.

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Aug 26, 2024

Signs and Symptoms

Lyme disease can cause fever, rash, and arthritis. Seek prompt medical care if symptoms appear.

How It Spreads

Blacklegged ticks spread Lyme disease in the U.S. Remove ticks within 24 hours to prevent infection.

Surveillance and Data

Lyme disease is a nationally notifiable condition. Health departments report cases to CDC.

For professionals

Female doctor looking at a tablet computer.

Clinical Care and Treatment

Early diagnosis and antibiotic treatment of Lyme disease can prevent more serious health issues.

May 15, 2024

Borrelia burgdorferi under a microscope

Clinical Testing and Diagnosis

CDC recommends a two-step serologic testing process for Lyme disease using FDA-cleared assays.

May 15, 2024

Neurologic Lyme Disease

Early disseminated Lyme disease can cause neurological problems. Treat with oral or IV antibiotics.

Lyme Carditis

Lyme carditis disrupts heart signals, causing heart block. Treat with oral or IV antibiotics.

Lyme Arthritis

Treat early Lyme arthritis with 4 weeks of antibiotics. Persistent cases may need a rheumatologist.

Erythema Migrans Rash

Adjust Lyme disease treatment regimens for erythema migrans rash based on patient-specific factors.

Clinical Resources

Treat and prevent Lyme disease through current guidance, tools, and references for health providers.

⚠ Caution
Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.