Question

A 32-year-old bitten by an Ixodes tick in an endemic area presents within 48 hours. The tick was engorged and attached >=36 hours. He is asymptomatic. Best prophylaxis?

Accepted Answer

Single dose doxycycline 200 mg PO now

Answer

No prophylaxis; observe

Answer

Amoxicillin 500 mg PO TID x 14 days

Answer

Doxycycline 100 mg PO BID x 10 days

Answer

Cefuroxime axetil 500 mg PO BID x 10 days

Practice question

A 32-year-old bitten by an Ixodes tick in an endemic area presents within 48 hours. The tick was engorged and attached >=36 hours. He is asymptomatic. Best prophylaxis?