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OCD and Substance Use Disorders

Substance use may be a way of Coping With OCD Symptoms

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Updated June 12, 2014

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People affected by OCD are at greater risk for developing substance use disorders. Although alcohol and drug use may initially mask OCD symptoms, in the long run using substances can make symptoms worse, interfere with treatment and disrupt supportive relationships. Let's explore the relationship between OCD and substance use disorders.

What is a Substance Use Disorder?

Before examining the relationship between OCD and substance use disorders, we first need to outline what a substance use disorder is. There are two main kinds of substance use disorders: substance dependence and substance abuse.

To be diagnosed with substance dependence, you must have three or more of the following symptoms at any time within the same year:

  • Greatly increased tolerance -- you need more and more of the substance to get the desired effect.

  • Psychological (e.g., anxiety, depression) and/or physical withdrawal symptoms (e.g., shakes, nausea) when you stop using the substance.

  • Use of larger amounts of the substance than were intended or use of the substance over a longer period of time than planned.

  • A strong desire -- but lack of ability -- to quit the substance or many unsuccessful efforts to stop using the substance.

  • A great deal of time spent obtaining the substance, using the substance or recovering from its effects.

  • Giving up important social, occupational or recreational activities to use the substance.

  • Continued use of the substance despite psychological or physiological problems caused by it.

To be diagnosed with substance abuse you must demonstrate one or more of the following symptoms within the same year:

  • Recurrent substance use that leads to failure to fulfill obligations at work, school or at home.

  • Repeatedly using a substance in situations in potentially dangerous situations, such as driving a car or operating a machine.

  • Recurrent problems with the law because of substance use.

  • Continued use of the substance despite interpersonal problems caused by the substance.

OCD and Substance Use Disorders

It has been estimated that almost 30% of people with OCD have had a substance use disorder at some point in their lives; this is nearly double the rate of the general population. Although the rate of substance use disorders is high among people with OCD, it is lower than those of many other forms of mental illness including bipolar disorder or schizophrenia.

Although the symptoms of people with OCD who develop substance use disorders are similar to those who do not, research has demonstrated that those who develop substance use disorders are often less educated, often have other forms of mental illness in addition to OCD, and had OCD symptoms that began at an early age. Indeed, most people report that their OCD symptoms developed well before they developed a substance use disorder. Importantly, people with OCD who develop substance use disorders are at a greater risk for suicide and hospitalization.

Substance Use Disorders and the Treatment of OCD Symptoms

Many people with OCD begin to use substances as a form of self-medication either to directly reduce the severity of their obsessions or compulsions or to decrease the distress associated with the consequences of living with OCD, including problems in relationships or difficulties at work.

In effect, substance use can be thought of as a coping strategy. However, substance use is a particularly poor coping strategy if it allows you to avoid dealing with the actual source of your distress. So, while using substances allows you to feel better temporarily, in the meantime your OCD symptoms get worse and your relationships continue to deteriorate. This, in turn, causes more substance use, which only perpetuates avoidance of the problem. In addition, by masking your anxiety, substances can interfere with the exposure exercises that are essential to many psychological treatments for OCD.

If you have a substance use disorder, your treatment needs to focus on substituting substance use with more adaptive coping strategies. These include strategies to help you gain more comfort dealing directly with symptoms and their associated difficulties. While this can initially generate even higher levels of anxiety, the long-term pay-off is developing better tools for dealing with OCD symptoms.

Sources:

Gentil, A.F. de Mathis, M.A., Torreson, R., Diniz, J., Alvarenga, P., Conceicao do Rosario, M., Cordioli, A.V., Torries, A.R., & Miguel, C.E. "Alcohol use disorders in patients with obsessive-compulsive disorder: The importance of appropriate dual-diagnosis". Drug and Alcohol Dependence 2009 182: 173-177.

Mancebo, M.C., Grant, J.E., Pinto, A., Eisen, J.L., & Rasmussen, S.A."Substance use disorders in an obsessive compulsive disorder clinical sample". Journal of Anxiety Disorders 2009 23: 429-435.

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