Behavioral Health

Caring for patients with co-occurring mental health & substance use disorders

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MAKING THE DIAGNOSIS

To make an accurate diagnosis of co-occurring disorder, it is essential to take a complete history focusing on the timeline of symptoms, previous diagnoses and treatments, if any, and substance-free periods. Details gathered from these inquiries will help to separate symptoms of a primary mental health disorder from adverse effects of medication, withdrawal symptoms, or symptoms related to an underlying chronic medical condition.

Optimally, the diagnosis of a mental health disorder should be considered following a ­substance-free period. If this is not possible, a chart review may reveal a time when the patient did not have a substance use ­disorder.18

A diagnosis of substance use disorder requires that the patient manifest at least 2 of 11 behaviors listed in the DSM-5 over a 12-month period.1 The criteria focus on the amount of substance used, the time spent securing the substance, risky behaviors associated with the substance, and tolerance to the substance.

DON'T DEFER MENTAL HEALTH Tx

It is necessary to treat co-occurring disorders simultaneously. The old idea of deferring treatment of a mental health issue until the substance use disorder is resolved no longer ­applies.19,20 Treating substance use problems without addressing comorbid mental health ­issues can negatively impact treatment progress and increase risk for relapse. In a similar way, leaving substance use problems untreated is associated with nonadherence in mental health treatment, poor engagement, and dropout.21,22

Integrated services. Due to this condition’s level of clinical complexity, the optimal treatment approach is an interdisciplinary one in which integrated services are offered at a single location by a team of medical, mental health, and substance use providers (see “The case for behavioral health integration into primary care in the June issue). An evidence-based example of such an approach is the Integrated Dual Disorder Treatment (IDDT) model—a comprehensive, integrated method of treating severe mental health disorders, including substance use disorders.21,22 IDDT combines coordinated services such as pharmacologic, psychological, educational, and social interventions to address the needs of patients and their family members. The IDDT model conceptualizes and treats co-occurring disorders within a biopsychosocial framework. Specific services may include medical detoxification, pharmacotherapy, patient and family education, behavioral and cognitive therapies, contingency management, self-help support groups, supported employment, residential/housing assistance, and case management services.23,24

Continue to: Medications for the mental health component

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