analysis, D -data interpretation, E -Manuscript Preparation, F -literature search, G -Funds collectionBackground. dextromethorphan (dXM) is a widely used over-the-counter antitussive drug. in supratherapeutic doses, it exerts psychoactive effects.Use of dXM seems very common among people seeking 'illegal or legal highs'.Objectives. the aim of the study is to assess the social and psychological...