Pharmacology · single question

For a patient with HIV on antiretroviral therapy, which option for anxiety/sedation is safe to provide?

  1. Nitrous oxide-oxygen sedation
  2. Oral triazolam
  3. High-dose ketoconazole
  4. No analgesia at all
Show answer and explanation

Correct answer: A. Nitrous oxide-oxygen sedation

  • A. Correct. Nitrous oxide is safe and has no significant interaction with antiretrovirals.
  • B. Triazolam is a CYP3A4 substrate; protease inhibitors/ritonavir inhibit CYP3A4 and can cause dangerous oversedation, so it is best avoided.
  • C. Azole antifungals are also strong CYP3A4 inhibitors and not a sedation choice.
  • D. Withholding all care is neither necessary nor appropriate.

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