Question

A 9-year-old with an engorged Ixodes scapularis tick removed from the thigh after ~40 hours of attachment in a high-prevalence area presents within 48 hours of removal. What is the best prophylaxis?

Accepted Answer

Single dose doxycycline (4.4 mg/kg up to 200 mg)

Answer

Amoxicillin for 10 days

Answer

No prophylaxis regardless of risk

Answer

Azithromycin 500 mg single dose

Answer

Topical antiseptic only

Practice question

A 9-year-old with an engorged Ixodes scapularis tick removed from the thigh after ~40 hours of attachment in a high-prevalence area presents within 48 hours of removal. What is the best prophylaxis?