Co-Occurring Disorders

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Coping with substance abuse is difficult enough on its own without having to also manage a mental illness. Co-occurring disorders are highly common and can be successfully treated at the same time at ITTR.



Co-occurring disorders, also known as comorbidity or dual diagnosis, is the diagnosis of two or more disorders or illnesses in the same person. Many people who have a substance use disorder end up developing a mental illness, too, while the opposite is also true.

ITTR uses an integrated treatment approach for co-occurring disorders and substance abuse to help patients experience a long-lasting recovery.

Co-Occuring Treatment

And Therapies

Integrated treatment for co-occurring disorders is found to be more superior to treatments that address each disorder separately.

Co-occurring disorders are usually treated using a combination of medication and behavioral therapy. Medications can be used to treat both drug use disorder and mental illness, while behavioral therapies teach patients skills that help them effectively manage and/or overcome both disorders.

Cognitive behavioral therapy helps patients modify harmful beliefs and drug-seeking behaviors, while integrated group therapy helps patients understand the relationship between drug use disorders and mental illness.

Other common treatments for co-occurring disorders include medical drug detox, dialectical behavior therapy, assertive community treatment, contingency management, and exposure therapy.

ITTR will develop a customized treatment program for each individual patient based on their type of drug use disorder and mental illness.


Facts and Statistics

  • About 50 percent of people diagnosed with a substance use disorder will also experience a mental illness at some point in their lives, and vice versa says the NIDA.
  • An estimated 26 percent of people with drug use disorders have co-occurring mood disorders, reports the Journal of Substance Abuse Treatment.
  • Anxiety disorders are the most common mental illness among those with drug use disorders, and they affect 28 percent of this population.
  • About 18 percent of people with drug use disorders suffer from antisocial personality disorder.
  • More than 64 percent of adults with opioid use disorder have a past-year mental illness, while 27 percent have a serious mental illness, reports the journal Drug and Alcohol Dependence.
  • Only 24 to 29 percent of people diagnosed with opioid use disorder and mental illness receive professional treatment at drug and alcohol rehab.
  • People with alcohol use disorder are 21 times more likely to be diagnosed with antisocial personality disorder compared to their non-drinking counterparts, reports the NIAAA.
  • About 20 percent of people with anxiety disorders abuse alcohol.
  • Between 10 and 30 percent of people with alcohol use disorder also have panic disorder.