The behavioral characteristics of addiction and mental disorder caused by dextromethorphan abuse were analyzed in multiple dimensions.

Background: The aims of this study were to promote the rational use and supervision of dextromethorphan (DM). This study analyzed serious adverse events such as addiction and mental disorders caused by DM in Shenzhen and the behavioral characteristics of people suspected of abusing DM on the Internet.

Methods: Adverse drug reaction/event (ADR/E) reports from 2017 to 2023 were extracted from the National Pharmaceutical Adverse Reaction Monitoring System database.