Spironolactone hyperkalaemia — GPhC CRA MCQ
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Correct answer: C — Check potassium and renal function before further supply
Spironolactone can cause clinically significant hyperkalaemia, particularly when renal function is impaired. This makes check potassium and renal function before further supply 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