A 38-year-old hiker had an Ixodes tick attached for approximately 48 hours; it was removed today. He lives in a high-incidence region and has no doxyc...

Question

A 38-year-old hiker had an Ixodes tick attached for approximately 48 hours; it was removed today. He lives in a high-incidence region and has no doxycycline contraindications. What is the best management to prevent Lyme disease?

Accepted Answer

Single 200 mg dose of doxycycline within 72 hours of tick removal

Answer

No prophylaxis; observe

Answer

Doxycycline 100 mg twice daily for 14 days

Answer

Amoxicillin 500 mg three times daily for 10 days

Answer

Azithromycin 500 mg daily for 3 days

us-abfm MCQ (SBA): Lyme Disease (Post-Exposure Prophylaxis)

A 38-year-old hiker had an Ixodes tick attached for approximately 48 hours; it was removed today. He lives in a high-incidence region and has no doxycycline contraindications. What is the best management to prevent Lyme disease?