Hematologic/Immune, Prevention, Population-based Care
Clinical Question: When should patients be given antibiotics for lyme prophylaxis after a tick bite?
Bottom Line Answer: To provide antibiotic prophylaxis for Lyme disease ALL of these criteria should be met:
- Tick identified as an adult or nymphal deer tick
- Attached for > or = 36 hours (by engorgement or time of exposure)
- Treatment started within 72 hours of tick removal
- Local rate of infection of ticks with B. Bourgdorferi >=20% (assumed in Vermont)
- Doxyclycline is not contraindicated
Cruz, Kristine MD, "Lyme Disease Prophylaxis: IDSA guidelines" (2012). Family Medicine Scholarly Works. 4.
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