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Opioid constipation — GPhC CRA MCQ

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EasyGastro-intestinal TherapeuticsOpioid constipationGPhC CRA

A patient started codeine for rib pain 5 days ago and now has constipation. He asks which laxative would act reasonably quickly. What is the most appropriate alternative?

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Correct answer: C — Senna at night

Codeine commonly causes constipation by reducing gut motility. A stimulant laxative such as senna is commonly used for opioid-induced constipation. The other options either delay appropriate care, use an unsuitable medicine, or miss the main safety issue.

Reference: BNF; NICE CKS