Substance use and mental health disorders have a profound impact on our communities. Nearly one-third of U.S. adults know somebody who has died due to a drug overdose and many others observe the impact of mental health disorders in their families, their workplaces, and in their own lives.
These concerns are both prominent and closely linked, with mental health disorders increasing susceptibility to drug abuse and vice versa. Despite this, such concerns are often treated separately, if addressed at all, as co-occurring diagnoses are often missed with many patients misdiagnosed.
When assessments and treatment plans acknowledge the role of the dual diagnosis, outcomes can improve dramatically. Many modalities or behavioral therapies promise to inspire change, but motivational interviewing and CBT therapy can be especially helpful for setting goals and managing triggers.
The Substance Abuse and Mental Health Services Administration (SAMHSA) National Survey on Drug Use and Health (NSDUH) suggests that 21.2 million adults had co-occurring mental illness and substance use disorders as of 2024. When multiple disorders are present at the same time, symptoms may prove both severe and resistant to substance abuse treatment.
Disorders qualify as co-occurring if they are present in the same person and at the same time. This term is often used to describe the dual presentation of psychiatric and substance use disorders but can also reference other combinations of mental health concerns. The National Institute on Drug Abuse (NIDA) clarifies that co-occurring disorders often interact with one another, although the extent to which they impact each other varies greatly.
Co-occurring disorders require specialized attention because, as Tennessee's Department of Mental Health and Substance Abuse Services explains, the "existing systems of care designed to treat people with single diagnoses are less effective for people with co-occurring disorders."
While any mental disorder can potentially be accompanied by other mental health conditions or by substance abuse, certain pairings are especially prevalent. Dual diagnoses frequently involve mood disorders (such as depression), anxiety disorders (such as generalized anxiety), and post-traumatic stress disorder (PTSD).
Individuals sometimes present multiple disorders alongside substance use. PTSD, for example, rarely exists in isolation, with an estimated half of diagnosed individuals also showing symptoms of major depressive disorder. These comorbidities could potentially be accompanied by alcohol or substance abuse.
Substance use disorders and other mental disorders share many common risk factors related to genetics, trauma, and harmful social environments. Recognizing these risk factors can help counselors tailor interventions and may also aid in prevention efforts, particularly for those diagnosed with mental health disorders who may be at risk of also developing substance use disorders.
Protective factors are also worth noting. These can limit the potential for substance abuse, even in individuals with mental health disorders. Examples of protective factors include emotional regulation skills, supportive family relationships, and stable home environments.
Given the sheer range of conditions that can accompany substance use challenges, there is no one-size-fits-all approach to treatment. Across all conditions, however, providers must acknowledge the safety concerns that patients or clients face, taking immediate measures when needed to stabilize patients before dedicating more attention and effort to addressing underlying mental health concerns.
Confidentiality and consent inspire trust while also guiding integrated care that may involve multiple facilities or specialists. Privacy notices and consent forms encourage patients to become active participants in their own care.
While many patients hope to eventually eliminate drug use, this may feel out of reach at the outset. Through harm reduction, it is possible to reduce the negative consequences of drug or alcohol use. This is typically framed as a public health initiative, but counselors can work with clients to reduce the risk of drug-related infection or overdose.
Abstinence focuses on cessation, but this should not be confused with recovery. In recovery, some individuals may continue using substances occasionally without returning to previous patterns of abuse.
Screening uses standardized tests or tools to help determine if individuals are at risk of developing disorders or if their current symptoms are indicative of diagnosable conditions. Although valuable from a diagnostic perspective, this can feel impersonal to the client. If introduced thoughtfully and used to spark genuine discussion, however, screenings can inspire greater trust.
Developed by the World Health Organization (WHO), the Alcohol Use Disorders Identification Test (AUDIT) uses ten questions to assess alcohol-related behaviors and challenges. A score of 8 or more indicates potentially harmful alcohol use.
Described as a "sensitive screening instrument for the abuse of drugs other than alcohol," the Drug Abuse Screening Test (DAST) uses 28 self-reported yes-or-no questions to clarify current drug use and its impact on the individual's quality of life. A cutoff score between six and 11 has been deemed "optimal for screening for substance use disorders" while higher scores indicate a definite substance abuse problem.
Functional assessments reveal how individuals perform everyday tasks and where obstacles arise. Strengths-based approaches remind clients of what they do well and how they can draw on these qualities to improve emotional wellness and resilience. The readiness to change scale can also be helpful, offering insight into motivation or ambivalence.
Validated questionnaires can shed light on the challenges that individuals face and the potential that their symptoms or coping mechanisms reflect co-occurring disorders. While AUDIT and DAST reveal possible substance abuse, additional screens address symptoms of depression or anxiety. Top options include PHQ‑9 and GAD‑7.
Case formulation details the many factors that influence clients' symptoms and behaviors. These may reveal interactions between co-occurring disorders, along with relevant factors such as trauma history or social environment.
Stimuli known as triggers evoke adverse or even distressing reactions. Function refers to how people manage daily activities, interact with their environment, and find meaning. Consequences reveal what happens if triggers lead to specific reactions. Together, these elements provide a well-rounded overview of co-occurring presentations.
The CBT triangle provides an evidence-backed approach to reducing emotional distress by challenging difficult thoughts or feelings. This begins with recording negative thoughts, followed by feelings that emerge in response to those thoughts. Finally, the client highlights behaviors (such as drug use) that are likely to stem from identified feelings.
Motivational interviewing uses the language of change to promote client-driven solutions. The MI lens encourages clients to explore personal values as they relate to recovery or harm reduction, along with obstacles that may prompt ambivalence or resistance to change. Readiness rulers help clients express their desire for change and strengthen their commitment.
Insights gained through CBT triangles or readiness rulers may clarify what, exactly, influences clients' current behaviors. These core factors can be viewed as the true engine behind sustained drug or alcohol abuse. This driver influences the first phase of support, revealing potential early targets that feel accessible and meaningful.
Motivational interviewing skills keep clients feeling inspired and engaged. Advocates believe that this can also resolve ambivalence about change. Research has consistently demonstrated MI's power to reduce substance abuse and other adverse behaviors.
Open questions, affirmations, reflective listening, and summary reflections (OARS) provide a common language and a format that encourages clients to open up about their thoughts or concerns. Open questions foster trust and reflection, while affirmations remind clients of their personal strengths. Reflective listening helps clients make intentional decisions, with summarizing offering a sense of closure.
The concepts of change talk and sustain talk can help clients determine when their language or inner monologue supports change. Sustain talk reflects doubts and fears while change talk expresses a desire to take action. Counseling encourages individuals to reinforce change talk and to acknowledge concerns brought up through sustain talk.
The coaching concept of decisional balance addresses potential ambivalence by highlighting the positive and negative consequences that might arise in response to adopting new habits or behaviors. This does not need to feel adversarial but can instead guide in-depth reflection. By holding space for both sides of the discussion, counselors help clients find clarity and move forward with confidence.
Motivational interviewing provides broad techniques and frameworks to guide addiction counseling sessions but may also be targeted to reflect specific events or concerns. Counselors can use intentional 'moves' to keep conversations productive even when clients reach obstacles, all while continuing to guide clients towards positive change.
Clients may seek to limit shame or emotional distress by minimizing the severity of their drug use or other adverse coping mechanisms. Minimizing may stem from feelings of shame or may simply reflect a limited understanding of substance use disorders. This may also be indicative of limited trust in counselors or in mental health services at large.
In these moments, counselors should respond with curiosity and empathy. These are excellent opportunities for reflective listening and open-ended questions, helping patients feel safe enough to eventually speak more openly about their struggles.
While some clients enjoy consistent support from loved ones, many find that their family members actually exacerbate triggers or even stand in the way of recovery. Substance use can also change family dynamics, causing a level of tension that can greatly heighten client distress.
Through motivational interviewing, counselors show support and acknowledge difficulties without taking sides or amplifying conflict. This helps clients reflect on external pressures as they relate to internal challenges, ultimately ensuring that clients take ownership of any changes they do pursue.
Many clients feel tempted to intellectualize their mental health challenges, seeking understanding without walking through difficult emotions or learning how to regulate their nervous system. Through motivational interviewing, counselors help clients take ownership and feel more hopeful about the possibility for growth.
While MI solutions provide a valuable foundation to support client-driven change, actionable tools or techniques hold value in that they can guide clients through difficult moments. This is where skills from cognitive behavioral therapy can prove transformative.
Trigger maps shed light on the sequence of associations that unfolds during a triggering moment. This reminds clients that triggers actually reflect deeper thoughts or emotional states. The visual element of mapping helps clients see triggers less as overwhelming forces and more as recognizable or even easily identifiable patterns that they can deal with systematically.
A common mindfulness-based technique known as urge surfing encourages clients to 'ride' difficult moments. Instead of fighting urges, they view them as temporary waves that simply need to be sustained for a temporary period of time. Delay and distract techniques promote craving management, with impulses temporarily addressed by pausing or by engaging in other activities.
Cognitive restructuring encourages individuals to recognize distorted thinking patterns and also to challenge or even replace them, seeking, for example, evidence that these automatic thoughts are not grounded in reality.
Effective treatment plans use insights gained through intake assessments to establish objectives while providing a structured approach to care. These may incorporate suggested treatment methods, detailing preferred therapeutic modalities while also highlighting potential session cadence or areas of focus.
The treatment process begins with screening, goal-setting, and personal reflection. This ensures that all sessions or treatments to follow reflect clients' goals and preferences. Client-driven strategies ensure that these early sessions inspire trust and engagement.
Through evidence-based practices from CBT therapy (or other modalities), clients learn coping skills and receive numerous opportunities to practice them. They may also explore triggers, gaining insight into the emotional states or environments that are likely to precede substance use.
As clients continue to address triggers and develop coping mechanisms, they may also begin to look to the future, considering how their values or support networks can guide them towards meaningful change. At this stage, motivational interviewing inspires reflection and helps clients re-commit to their therapeutic goals.
Individuals with co-occurring disorders face a high risk of relapse, but this can be addressed early on through prevention planning. Prevention plans may outline personal goals, triggers, and preferred coping mechanisms. Counselors can also help clients find additional sources of support while providing an actionable blueprint for seeking wellness outside of the counseling relationship.
Referral pathways ensure that clients receive the level of care that best reflects their conditions or the severity of their symptoms. Some patients may require more support than outpatient counselors are able to provide.
Personalized transfers known as warm handoffs can streamline transitions involving specialists or psychiatric support. Advocates believe that this approach strengthens patient engagement and improves continuity of care.
Clients may struggle to distinguish between various levels of care or when they're warranted. Counselors can help by describing options such as intensive outpatient (IOP), partial hospitalization (PHP), medically supervised detox, and inpatient services within treatment facilities.
When discussing these options, counselors should use non-judgmental language, using clear and concise language to inspire clarity so clients can feel confident in their decisions.
Detailed documentation promotes quality assurance and continuity of care while also helping counselors protect clients and abide by ethical obligations. Counselors must be mindful of what they record and the broader impact of those notes.
A client-centered approach known as collaborative documentation (CD) encourages practitioners to share insights and invite input from clients. This has been shown to spark a shift towards language that reflects clients' personal goals and achievements. Stigmatizing language must be avoided, as it can perpetuate bias and ultimately, damage trust.
Releases of information allow counselors or therapists to share select details with designated third parties such as physicians. This process is strictly governed by the Health Insurance Portability and Accountability Act (HIPAA) Privacy Rule. Compliant and ethical communication boundaries protect client confidentiality and strengthen trust.
There is no simple or straightforward approach to navigating co-occurring disorders. Research-backed techniques offer guidance, but counselors should remain mindful of common pitfalls that can impede progress or undermine trust:
Substance abuse may initially receive the most attention given the severity of symptoms and the potential for adverse incidents such as overdoses. If, however, treatment focuses exclusively on cessation, the root causes that prompt substance use may never be addressed, leaving individuals vulnerable to relapse. Even if substance abuse ceases, the failure to treat other symptoms could allow the underlying emotional distress to continue.
Skills and coping mechanisms explored through counseling or therapy will have a muted impact if not actively practiced outside the therapeutic setting. Many clients struggle to consistently implement these skills, however. Therapists and counselors can help by providing simple and compelling 'homework' or exercises that encourage reflection and action.
Explore opportunities to inspire change through substance use counseling. Discover how you can support patients and facilitate healing. Indiana Wesleyan University's Division of Counseling offers multiple programs at the undergraduate and graduate level. Learn more about our programs or take the next step and apply today.
Co-occurring disorders mean substance use concerns happening alongside mental health conditions such as anxiety, depression, or trauma-related symptoms. Treatment works best when both are assessed and addressed together.
Introduce screening as routine and supportive: “I ask everyone a few questions about alcohol and drugs because it can affect mood, sleep, and stress.” Keep it brief, share results collaboratively, and ask permission before offering feedback.
MI increases motivation and engagement, especially when clients feel ambivalent. CBT provides concrete coping skills for triggers, cravings, mood regulation, and relapse prevention. Together, they address both readiness and behavior change.
Trigger planning, urge surfing, delay-and-distraction strategies, cognitive tools for permission-giving thoughts, and routine supports like sleep and stress management are common high-impact skills.
Refer when there is withdrawal risk, medical instability, severe impairment, safety concerns, repeated relapse with high risk, or when outpatient sessions are not sufficient to stabilize the client. Warm handoffs improve follow-through.
In many settings, yes, when it aligns with scope, safety, and client autonomy. Harm reduction can include safer-use planning, reducing quantity or frequency, and lowering risk while continuing to build readiness for further change.
