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Apixaban hypersensitivity — GPhC CRA MCQ

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HardAdverse Drug Reactions and Drug SafetyApixaban hypersensitivityGPhC CRA

A 42-year-old woman starts apixaban for VTE. Two days later she develops widespread urticaria and lip swelling after a dose, but no wheeze. She is in the pharmacy and feels faint. What is the most appropriate action?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: ATreat as a possible serious hypersensitivity reaction and arrange urgent medical help.

Lip swelling with faintness after a medicine may represent an evolving serious hypersensitivity reaction. Immediate patient safety takes priority, with urgent assessment and appropriate emergency response. Yellow Card reporting may be appropriate after the event, but it does not replace acute management.

Reference: BNF; MHRA Yellow Card scheme