Adolescents with co-occurring mental health and substance use disorders in primary care.

Co-occurring mental and substance use disorders (COD) among children and adolescents present special challenges for family members and primary care clinicians. A broad understanding of prevalence rates, etiology, risk and protective factors, and intervention strategies is important in promoting evidence-based practices. The authors present a synopsis of important issues in this area and provide support for integrating behavioral health into primary care practice.