A 41-year-old hiker with expanding erythema migrans and mild fever presents 2 days after rash onset. No neurologic or cardiac symptoms. Best therapy?...

Question

A 41-year-old hiker with expanding erythema migrans and mild fever presents 2 days after rash onset. No neurologic or cardiac symptoms. Best therapy?

Accepted Answer

Doxycycline 100 mg PO twice daily for 10 days

Answer

Amoxicillin-clavulanate for 7 days

Answer

Azithromycin 500 mg daily for 3 days

Answer

Ceftriaxone 2 g IV daily for 14 days

Answer

Observation only

us-abfm MCQ (SBA): Early Lyme Disease