A 30-year-old man in New England removes an engorged Ixodes scapularis tick; estimated attachment 40 hours. Asymptomatic, within 48 hours of removal. ...

Question

A 30-year-old man in New England removes an engorged Ixodes scapularis tick; estimated attachment 40 hours. Asymptomatic, within 48 hours of removal. Best management?

Accepted Answer

Doxycycline 200 mg once

Answer

Observation only

Answer

Doxycycline 100 mg BID 10 days

Answer

Amoxicillin 500 mg TID 14 days

Answer

Serologic testing now and treat if positive

us-abfm MCQ (SBA): Lyme Disease Prophylaxis

A 30-year-old man in New England removes an engorged Ixodes scapularis tick; estimated attachment 40 hours. Asymptomatic, within 48 hours of removal. Best management?