A hiker has a spreading red ring-shaped rash, fatigue and joint pain after a tick bite in Ontario. What is the treatment?

Answer and explanation

Correct answer: C. Oral doxycycline

  1. Step 1: The erythema migrans rash is typical of early Lyme disease, treated with doxycycline.
Answer
Oral doxycycline.
Why not the others: Corticosteroids and antiparasitics have no role.

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