At equianalgesic doses, which of the following is MOST LIKELY to cause respiratory depression?

a) Morphine

b) Fentanyl

c) Hydromorphone

d) Oxycodone

e) Codeine

f) None of the above

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Answer

Answer f. At equianalgesic doses, pharmacodynamic effects (and side effects) of all mu-agonist opioids are similar. Pharmacokinetically, there are significant differences, however, and these often dictate appropriate use.

Notes

This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.

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