Morphine renal impairment — GPhC CRA MCQ
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Correct answer: D — Query the patch; opioid tolerance is not established
Transdermal fentanyl is potent, slow to titrate and inappropriate for opioid-naive patients because respiratory depression may be fatal. Patches must not be cut or heated. The prescription requires clarification and a safer initiation strategy before supply.
Reference: BNF: fentanyl: https://bnf.nice.org.uk/drugs/fentanyl/