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Medication safety

Quick answer

Medication errors are common once memory is affected, and some medications worsen thinking directly.

Author:
Illinois Dementia Guide editorial team
Medically reviewed by:
Amarish Dave, DO, Board Certified Neurologist
Published:
August 2026
Last medically reviewed:
August 2026
Geographic relevance:
Illinois, United States

Why this matters

People with dementia may forget doses, repeat them, or take the wrong medication. Certain sedating and anticholinergic drugs also make cognition worse.

Warning signs

  • Pills left in the organizer or extra pills missing
  • Confusion about what was taken
  • New drowsiness or unsteadiness after a medication change
  • Multiple prescribers and pharmacies

What families can do

  • Move to one pharmacy and request blister or pill-pack packaging
  • Use a locked box and hand out doses
  • Ask for a deprescribing review at least yearly
  • Keep a single up-to-date medication list, including supplements
  • Set alarms or use an automated dispenser

When to get help

  • Any suspected overdose or double dose
  • New confusion, sedation, or falls after a change
  • The person is managing medications alone and errors are occurring

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Medically reviewed. Last reviewed August 2026. This page is educational information, not individualized medical advice.

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