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Anesthesia · single question

A patient with uncontrolled hyperthyroidism needs a dental procedure. Which is contraindicated?

  1. Local anesthetic with epinephrine
  2. Local anesthetic without vasoconstrictor
  3. Nitrous oxide sedation
  4. Acetaminophen for analgesia
Show answer and explanation

Correct answer: A. Local anesthetic with epinephrine

  • A. CORRECT. Epinephrine can potentiate the catecholamine excess of uncontrolled hyperthyroidism and risk a thyroid storm, so it is avoided.
  • B. INCORRECT. Plain local anesthetic is acceptable.
  • C. INCORRECT. Nitrous oxide is not contraindicated in this setting.
  • D. INCORRECT. Acetaminophen is safe for analgesia.

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