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A previously-healthy 12-year old girl who was allowed to get a high cartilage ear piercing after much begging now comes in with evidence of infection around the piercing site. There is a small amount of purulent discharge. The piercing has been removed. The child is afebrile and nontoxic and there are no signs of infection spread such as mastoiditis, brain abscess, meningitis. You plan a trial of outpatient antibiotic therapy with close follow-up.