Intravenous Acetaminophen Versus Placebo in Post-bariatric Surgery Multimodal Pain Management: a Meta-analysis of Randomized Controlled Trials.

The use of IV acetaminophen after bariatric surgery is effective in reducing pain score after 24 h and postoperative opioid doses, but not length of stay. Provided the benefits of IV acetaminophen, its addition to postoperative care and enhanced recovery programs may be warranted.