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PTSD and Co-Occurring Substance Use Disorders 

PTSD and Co-Occurring Substance Use Disorders
PTSD and Co-Occurring Substance Use Disorders
Post-Traumatic Stress Disorder

Amanda K. Gilmore

, Kaitlin E. Bountress

, Emma L. Barrett

, Sudie E. Back

, and Kathleen T. Brady


Post-traumatic stress disorder (PTSD) commonly co-occurs with a number of psychiatric disorders including depression, other anxiety disorders, and medical comorbidity. Substance use disorders (SUD) are among the most commonly co-occurring disorders with PTSD and can complicate the course of illness and treatment. This chapter will discuss co-occurring PTSD and SUD (PTSD/SUD) in terms of epidemiology, theoretical underpinnings, and clinical implications. This chapter also describes clinical assessments for PTSD/SUD and provides a list of potential assessments for use in clinical settings. Further, behavioral and pharmacological evidence-based treatments are described that can be effective in reducing both SUD and PTSD symptoms among individuals with PTSD/SUD. Future work that would help move the field forward regarding etiology and treatment of PTSD/SUD are discussed.

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