This chapter reviews studies using psychosocial research methods to investigate potential causal-maintenance relations, and underlying functional associations, that may explain the comorbidity of posttraumatic stress disorder (PTSD) and substance use disorder (SUD) among victims of various types of trauma. Based on their review, the authors are able to draw a number of conclusions regarding the
... [Show full abstract] nature of the relationship between these two disorders. It is suggested that alternative approaches to treatment of dually diagnosed SUD-PTSD patients explore the efficacy of providing brief motivational interventions for SUD in combination with PTSD treatment. (PsycINFO Database Record (c) 2015 APA, all rights reserved)