Which antibiotic is first-line therapy for stage one Lyme disease in a patient younger than 12 years old?

Enhance your readiness for the Physician Assistant Clinical Knowledge Rating and Assessment Tool (PACKRAT) 4 Exam. Utilize our flashcards and multiple-choice questions, complete with hints and explanations, to ace your upcoming test!

Multiple Choice

Which antibiotic is first-line therapy for stage one Lyme disease in a patient younger than 12 years old?

Explanation:
Treating early Lyme disease in a child under 12 relies on an antibiotic that is safe for developing teeth and effective against Borrelia burgdorferi. Amoxicillin fits this need because it works well in kids and avoids the risk of dental staining associated with doxycycline in younger patients. Doxycycline is effective but is generally avoided in under-12 patients due to potential effects on teeth. Chloramphenicol carries serious toxicity risks, and azithromycin has lower efficacy for Lyme disease, making them not first-line. So amoxicillin is the best initial choice for this scenario.

Treating early Lyme disease in a child under 12 relies on an antibiotic that is safe for developing teeth and effective against Borrelia burgdorferi. Amoxicillin fits this need because it works well in kids and avoids the risk of dental staining associated with doxycycline in younger patients. Doxycycline is effective but is generally avoided in under-12 patients due to potential effects on teeth. Chloramphenicol carries serious toxicity risks, and azithromycin has lower efficacy for Lyme disease, making them not first-line. So amoxicillin is the best initial choice for this scenario.

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