How to diagnose and treat Lyme disease (Borrelia burgdorferi)?
Lyme disease is the most common tick-borne illness in North America, caused by the spirochete Borrelia burgdorferi and transmitted by Ixodes scapularis (deer tick). It presents with erythema migrans rash, flu-like symptoms, and can progress to joint, neurological, and cardiac involvement if untreated.
- Remove attached ticks properly with fine-tipped tweezers5
Grasp the tick as close to the skin surface as possible with fine-tipped tweezers. Pull upward with steady, even pressure without twisting or jerking. After removal, clean the bite area and hands with rubbing alcohol or soap and water. Save the tick in a sealed bag with a damp cotton ball for…
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🛠️ Fine-tipped tweezers, rubbing alcohol or soap, sealed bag
- Prevent tick bites with DEET, permethrin, and tick checks5
Apply DEET-based repellent (20-30% concentration) to exposed skin and treat clothing with 0.5% permethrin spray before entering tick habitat. Wear long pants tucked into socks and light-colored clothing to spot ticks easily. Perform full-body tick checks within 2 hours of returning indoors, paying…
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🛠️ DEET repellent, permethrin spray, fine-tipped tweezers, light-colored clothing
- Try herbal antimicrobials (Buhner protocol)3
The Buhner protocol uses botanical medicines with demonstrated in vitro activity against Borrelia burgdorferi. Core herbs include Japanese knotweed (Polygonum cuspidatum, 1 tsp root powder 3x daily), cat's claw (Uncaria tomentosa, 1 tsp powder 3x daily), and andrographis. A 2020 study in Frontiers…
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- Use two-tier serological testing for diagnosis4
Lyme disease diagnosis uses a two-step blood test: an initial ELISA (enzyme immunoassay) followed by a confirmatory Western blot or a second EIA. The newer modified two-tier testing (MTTT) replaces the Western blot with a second EIA, improving sensitivity for early infection while maintaining…
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- Take single-dose doxycycline prophylaxis after a tick bite5
A single 200 mg dose of doxycycline taken within 72 hours of removing an Ixodes scapularis tick can prevent Lyme disease with 87% efficacy. This is recommended for high-risk bites where the tick was attached for 36 hours or more in an endemic area. Children receive 4.4 mg/kg (max 200 mg) as a…
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- IV ceftriaxone for late-stage or neurological Lyme5
Intravenous ceftriaxone is the standard treatment for late-stage Lyme disease with neurological involvement (meningitis, radiculopathy, encephalopathy), Lyme carditis, or refractory Lyme arthritis. Administered at 2 g IV once daily for 14-28 days depending on the manifestation.
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- Use amoxicillin as an alternative first-line antibiotic4
Amoxicillin is an effective alternative to doxycycline for early Lyme disease, particularly for pregnant women and young children. Adults take 500 mg three times daily for 14 days. Children receive 50 mg/kg daily divided into three doses (max 500 mg per dose).
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- Treat early Lyme with oral doxycycline5
Doxycycline is the first-line antibiotic for early Lyme disease in adults and children over 8 years. Take 100 mg twice daily for 10-14 days (adults) or 4 mg/kg daily in two divided doses for children (max 100 mg per dose). Most patients see resolution of erythema migrans within days.
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