Pharmacology · single question

Which of the following is NOT a common side effect of opioids?

  1. Nausea and vomiting
  2. Constipation
  3. Itching (pruritus)
  4. Hyperventilation
Show answer and explanation

Correct answer: D. Hyperventilation

Opioids commonly cause: Nausea and vomiting, due to stimulation of the chemoreceptor trigger zone (CTZ). Constipation, due to decreased gastrointestinal motility. Itching (pruritus), likely due to histamine release. However, hyperventilation is not associated with opioids. Instead, they often lead to respiratory depression, characterized by slower and shallower breathing, as they depress the brainstem respiratory centers.

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