All opioid equivalencies should be considered approximations only and can be affected by interpatient variability, type of pain (eg, acute vs. chronic), chronic administration, tolerance, etc.

Andrew Kolodny receives funding from the United States Food and Drug Administration for research on prescription drug monitoring programs. He is also the director of Physicians for Responsible Opioid ...

This article was originally published at The Conversation. The publication contributed the article to Live Science's Expert Voices: Op-Ed & Insights. Drug overdose deaths, once rare, are now the ...