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Scarlet fever penicillin allergy — GPhC CRA MCQ

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ModerateInfectionsScarlet fever penicillin allergyGPhC CRA

A 6-year-old child is prescribed phenoxymethylpenicillin for scarlet fever. The parent reports an immediate wheeze and facial swelling after amoxicillin two years ago. The child is otherwise stable today. What is the most appropriate action?

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Correct answer: A — Query the prescription because the history suggests immediate penicillin allergy.

Immediate wheeze and facial swelling after amoxicillin suggests an IgE-mediated penicillin allergy. Phenoxymethylpenicillin is also a penicillin and should be queried before supply. Antihistamine cover or dose reduction does not make the supply safe.

Reference: https://www.pharmacyregulation.org/registration-assessment#stage-8-order-89