Question

A 30-year-old hiker develops an expanding erythematous rash >6 cm with central clearing 7 days after a tick bite in Connecticut. Afebrile. Best management?

Accepted Answer

Start doxycycline 100 mg twice daily for 10 days

Answer

Order Lyme serology and await results

Answer

Start amoxicillin-clavulanate for 14 days

Answer

Give single-dose doxycycline and observe

Answer

No antibiotics; rash likely local reaction

Practice question

A 30-year-old hiker develops an expanding erythematous rash >6 cm with central clearing 7 days after a tick bite in Connecticut. Afebrile. Best management?