Lower UTI nitrofurantoin renal function — GPhC CRA MCQ
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Correct answer: E — Query suitability because nitrofurantoin may be ineffective and unsafe at this renal function
Nitrofurantoin depends on renal secretion into urine and may be unsuitable in significant renal impairment. Antibiotic choice should account for renal function, pregnancy status, allergy history and local resistance guidance. The other options either delay appropriate care, use an unsuitable medicine, or miss the main safety issue.
Reference: NICE CKS; BNF