RT Journal Article SR Electronic T1 Anxiety And Substance Use Disorders: A Primer For Primary Care Physicians JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 47 OP 53 DO 10.3122/jabfm.4.1.47 VO 4 IS 1 A1 Landry, Mim J. A1 Smith, David E. A1 McDuff, David A1 Baughman, Otis L. YR 1991 UL http://www.jabfm.org/content/4/1/47.abstract AB Primary care physicians encounter many patients with primary and secondary anxiety and substance use problems. Some patients have a dual diagnosis of both an anxiety and a substance use disorder. Symptoms may be overdiagnosed, underdiagnosed, and misdiagnosed. This article provides the primary care physician with an overview of the relation between psychoactive substance use disorders and anxiety symptoms. Also described are drug use patterns and diagnostic criteria for psychoactive substance use disorders. A model for understanding the role of anxiety symptoms during drug use is provided.