Is IV Acetaminophen Worth it in the ED?

In the U.S., intravenous acetaminophen (IV APAP) has made its way into some emergency departments as part of a multi-modal pain management approach, in part due to a perception of more rapid and effective pain control compared to the oral/rectal routes. In an effort to reduce opioid use, IV APAP seemingly has the potential to increase the number of non-opioid options such as ketorolac, lidocaine, and ketamine. Indeed,¬†in some post-surgery¬†literature, IV APAP has demonstrated a reduction in opioid use. The utility of IV APAP (compared to PO/PR) in the ED is unclear as there is a paucity of head-to-head efficacy studies comparing IV vs PO therapy… until now.

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