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Medication-associated delirium — RACP Written MCQ

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ModerateDermatology, GeriatricsMedication-associated deliriumRACP Written

An 86-year-old woman is admitted after a fall and becomes acutely confused on day 2. She is inattentive, constipated, has urinary retention and was started on oxybutynin for urgency. Temperature and CT brain are normal. What is the most likely cause?

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Correct answer: E — Anticholinergic medication precipitating delirium

Acute fluctuating inattention is delirium. Oxybutynin and urinary retention are common reversible precipitants in older adults.

Reference: RACP Divisional Written Examination blueprint; Australian Therapeutic Guidelines/AMH principles