Question

A 42-year-old finds an attached Ixodes scapularis tick removed within 36 hours. He lives in an endemic area; the tick was engorged. He is asymptomatic. Best approach within 72 hours of removal?

Accepted Answer

Single dose doxycycline 200 mg now

Answer

No antibiotics; routine observation

Answer

Doxycycline 100 mg twice daily for 10 days

Answer

Amoxicillin 500 mg three times daily for 14 days

Answer

Order Lyme serology and treat if positive

Practice question

A 42-year-old finds an attached Ixodes scapularis tick removed within 36 hours. He lives in an endemic area; the tick was engorged. He is asymptomatic. Best approach within 72 hours of removal?