Summaries of safety labeling changes approved by FDA—boxed warnings highlights, October–December 2023.

The article highlights the changes in safety labeling approved by the U.S. Food and Drug Administration (FDA) from October to December 2023. Topics mentioned include the life-threatening respiratory depression caused by opioid Actiq, the risks associated with the use of central nervous system depressant benzodiazepines, and the interaction of Actiq with cytochrome P450 3A4.