An 84 year old woman has worsening confusion. She has visual hallucinations, disturbed sleep and urinary incontinence for 1 week. She has Alzheimer’s dementia and arthritis and has recently started taking paracetamol.
Her abbreviated mental test score is 2/10.
Which is the most likely underlying reason for her deterioration?
- Depression
- Encephalitis
- Medication related confusion
- Progression of dementia
- Urinary tract infection