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Drug-induced Parkinsonism — DGM MCQ

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ModerateMovement disordersDrug-induced ParkinsonismDGM

A 79-year-old woman develops bilateral rigidity and slow gait after treatment for nausea. She has no resting tremor and symptoms began within weeks of a new tablet. No previous movement disorder is documented. Current medicines include metoclopramide, amlodipine and atorvastatin. Which medication should be reviewed?

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

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Correct answer: B — Metoclopramide

Metoclopramide blocks dopamine receptors and can cause drug-induced Parkinsonism, especially in older adults. Amlodipine, atorvastatin, paracetamol and colecalciferol are not typical causes of acute Parkinsonism. Dopamine-blocking antiemetics and antipsychotics should be reviewed when Parkinsonism appears.

Reference: BNF; NICE NG71