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Aspirin and anticoagulant — GPhC CRA MCQ

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ModerateDrug InteractionsAspirin and anticoagulantGPhC CRA

A patient on rivaroxaban for atrial fibrillation asks to buy aspirin for general heart protection. They have no recent acute coronary syndrome. What is the most important interaction to flag?

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Correct answer: A — Increased bleeding risk without a clear indication

Adding aspirin to anticoagulation increases bleeding risk and requires a clear indication. The best answer addresses the key safety, legal or pharmaceutical care issue in the vignette. The other options would either delay appropriate care, create a new risk, or fail to resolve the issue. This is consistent with the cited UK reference for safe pharmacy practice.

Reference: BNF