Cholinergic Antagonists · Pharmacology

Which side effect is commonly associated with the use of anticholinergic drugs in elderly patients?

  1. Excessive sweating and salivation
  2. Diarrhea and abdominal cramping
  3. Cognitive impairment and confusion
  4. Reduced intraocular pressure and miosis
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Correct answer: Cognitive impairment and confusion

Anticholinergics can cross the blood-brain barrier and interfere with memory and cognition. In the elderly, this often manifests as acute confusion, delirium, or a worsening of pre-existing dementia symptoms.

Difficulty: Medium Question 17 of 20

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