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MediumPharmacology & Prescribingukmlamrcgp aktmrcp part 1prescribing safety assessment

A 75-year-old is admitted with confusion. His medications include furosemide, lisinopril, digoxin, and ibuprofen. Blood tests show hyperkalaemia (K+ 5.9 mmol/L) and a raised creatinine. Which medication is most likely contributing to his hyperkalaemia?

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