skip to main content

Opioid constipation — DGM MCQ

Instant feedback + full explanation. One question, done properly.

EasyPolypharmacyOpioid constipationDGM

An 87-year-old man has constipation, nausea and confusion after treatment for back pain. He has opened his bowels twice in two weeks. Abdomen is distended but soft. Current medicines include morphine modified-release, amlodipine and senna as needed. Which medication should be reviewed?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: A — Morphine modified-release

Morphine commonly causes constipation and can contribute to delirium, especially without regular laxative prophylaxis. Amlodipine can cause ankle swelling but is less likely to cause this syndrome; colecalciferol, atorvastatin and eye drops are not the main issue. Strong opioids in older adults need bowel plans and regular review.

Reference: BNF; NICE CKS constipation