Obsessive-compulsive disorder (OCD) and substance use disorder share several aspects of phenomenology and may be underpinned by a common mechanism with compulsivity at the core. Despite this overlap, the two disorders show a variable pattern of comorbidity. Here, we review the current evidence for comorbidity across clinical and epidemiological studies, and propose a new heuristic for substance use comorbidity in OCD, based on a hypothetical threshold of OCD severity.
Nancy J. Keuthen, Erin Curley, Jeremiah M. Scharf, Douglas W. Woods, Christine Löchner, Dan Joseph Stein, Esther S. Tung, Erica Greenberg, S. Evelyn Stewart, Sarah A. Redden, Jon E. Grant
José M. Menchón, Michael Van Ameringen, Bernardo Dell’Osso, Damiaan Denys, Martijn Figee, Jon E. Grant, Eric Hollander, Donatella Marazziti, Humberto Nicolini, Stefano Pallanti, Christian Rück, Roseli Gedanke Shavitt, Dan Joseph Stein, Erik Andersson, Rajshekhar Bipeta, Daniëlle C. Cath, Lynne M. Drummond, Jamie D. Feusner, Daniel Geller, Georgi Hranov, Christine Löchner, Hisato Matsunaga, Randi E. McCabe, Davis Mpavaenda, ,
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