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ACE inhibitor and potassium supplement — GPhC CRA MCQ

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EasyDrug InteractionsACE inhibitor and potassium supplementGPhC CRA

A patient on ramipril and spironolactone asks to buy potassium tablets; last potassium was 5.1 mmol/L. What is the most important interaction to flag?

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Correct answer: C — Additive hyperkalaemia risk

Ramipril, spironolactone and potassium supplementation can combine to produce dangerous hyperkalaemia. This makes additive hyperkalaemia risk 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