A 36‑year‑old hiker had an Ixodes scapularis tick attached for 36 hours and is seen 48 hours after removal in a high‑incidence area. No symptoms. Wha...

Question

A 36‑year‑old hiker had an Ixodes scapularis tick attached for >36 hours and is seen 48 hours after removal in a high‑incidence area. No symptoms. What is the recommended prophylaxis?

Accepted Answer

Single dose doxycycline 200 mg PO within 72 hours

Answer

Amoxicillin 500 mg PO TID for 7 days

Answer

Doxycycline 100 mg PO BID for 7 days

Answer

Observation only

Answer

Topical permethrin to the bite site

us-abfm MCQ (SBA): Lyme Disease-Post‑Exposure Prophylaxis

A 36‑year‑old hiker had an Ixodes scapularis tick attached for >36 hours and is seen 48 hours after removal in a high‑incidence area. No symptoms. What is the recommended prophylaxis?