Warfarin and miconazole oral gel — GPhC CRA MCQ

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EasyDrug InteractionsWarfarin and miconazole oral gelGPhC CRA

A patient taking warfarin asks to buy miconazole oral gel for denture-related oral thrush. What monitoring is required?

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Correct answer: C — Arrange urgent INR review and contact the prescriber

Miconazole oral gel can markedly potentiate warfarin, making INR review and prescriber contact necessary. This makes arrange urgent inr review and contact the prescriber the single best answer in this scenario. The other options would either miss the key safety issue, delay appropriate review, or fail to meet the relevant clinical or professional requirement.

Reference: BNF interactions; MHRA