TABLE OF CONTENTS
What is a Dual Diagnosis?
Dual diagnosis refers to a situation where an individual is diagnosed with both a substance use disorder (SUD) and one or more mental illnesses at the same time. This condition is often called a co-occurring disorder, and while the terms are sometimes used interchangeably, they specifically highlight the simultaneous presence of mental health challenges and substance use issues.
The term “comorbid” is also used to describe this overlap, as it refers to the coexistence of multiple conditions. Although comorbidity is a broader medical term that applies to any coexisting health issues, in the context of dual diagnosis, it emphasizes the interconnected nature of mental health disorders and substance use disorders.
Dual diagnosis is common and underscores the importance of integrated treatment approaches that address both conditions simultaneously. This ensures individuals receive the comprehensive care needed to navigate the complexities of these overlapping challenges.
Symptoms & Signs of a Dual Diagnosis
Differentiating between addiction and mental illness can be challenging since the symptoms often overlap and influence one another. To ensure an accurate diagnosis, mental health evaluations are ideally conducted when the individual is abstinent and free from any substances that might affect their behavior or mental state.
While specific symptoms vary based on the mental health condition, some general signs may indicate the presence of a mental illness, such as:
- Experiencing intense emotional highs or lows
- Persistent feelings of sadness, anxiety, or hopelessness (common in anxiety disorders and mood disorders)
- Changes in sleep patterns, appetite, or energy levels
- Loss of interest in hobbies or activities once enjoyed
- Difficulty concentrating or making decisions
- Being unaware of changes in one’s own behavior or personality
- Extreme mood swings, irritability, or aggression
- Changes in libido (either increased or decreased)
- Withdrawing from friends and family
- Neglecting personal hygiene or self-care
- Hallucinations, paranoia, or delusions
- Engaging in risky behaviors, such as substance use or impulsive actions
- Physical complaints without an apparent cause
- Thoughts of suicide or actual suicide attempts
Substance use disorders (SUDs) have distinct signs, although they may vary depending on the substance being used. Common indicators of a SUD include:
- Unable to stop using substances
- Experiencing withdrawal symptoms when trying to quit
- Developing a high tolerance
- Relying on alcohol or drugs to handle stress or function in daily life
- Struggling to meet responsibilities at home, work, or school due to substance use
- Isolating from loved ones or socializing with a new, substance-using crowd
- Continuing to use despite negative consequences on health, relationships, or well-being
- Frequently missing work or school
- Taking risks like driving under the influence
- Spending excessive time obtaining, using, or recovering from substances
When someone has both a mental health disorder and a substance use disorder, their challenges often compound. These co occurring conditions can worsen each other, making recovery more complex. For instance, addiction may amplify mental health symptoms, while mental illness can drive substance use as a form of self-medication. Individuals with co occurring disorders may also face additional difficulties, such as:
- Maintaining stable employment or housing
- Strained or broken relationships
- Physical health complications
- Increased risk of legal troubles or incarceration
- Greater vulnerability to suicidal thoughts or actions
For many, substance use begins as a way to cope with the symptoms of a mental health disorder. In others, both conditions may stem from shared underlying factors, such as genetic predispositions, neurobiological vulnerabilities, or unresolved trauma. Addressing both conditions simultaneously is essential for effective recovery, as treating one without the other can leave underlying issues unresolved, increasing the risk of relapse or worsening symptoms.
Reach out for answers and help. We’re here for you 24 hours a day, 7 days a week.
What is Dual Diagnosis Treatment?
Dual diagnosis treatment is a specialized approach designed to address both substance use disorders and mental health conditions simultaneously. These co occurring disorders—such as drug addiction paired with depression, generalized anxiety disorder, or bipolar disorder—require integrated care to ensure both issues are treated effectively.
In a Indiana center dual diagnosis treatment program, patients undergo thorough screening and assessment to develop an individualized treatment plan that addresses the underlying psychological conditions that contribute to substance abuse and the physical withdrawal symptoms that can arise during the recovery process.
Dual diagnosis treatment typically begins with medical detox to safely manage withdrawal symptoms and continues through structured therapy including, individual therapy, group counseling, family therapy, education, nutritional guidance, and aftercare. This allows a team of healthcare professionals—including doctors, therapists, psychologists, and counselors—to manage mental health symptoms without the interference of drugs or alcohol, which can often worsen these conditions. By addressing both disorders simultaneously, integrated care ensures that neither issue is neglected, creating a stronger foundation for recovery and relapse prevention.
Treatment options often include a combination of programs such as an inpatient treatment program, partial hospitalization program, intensive outpatient program, and traditional outpatient treatment options, offering flexibility to accommodate the varying needs of individuals. These programs often go beyond group therapy sessions and medical care, offering additional resources like housing support, employment assistance, and skills for social reintegration. By addressing the full spectrum of a person’s needs, inpatient and outpatient services help to create a supportive foundation during recovery.
What Does a Dual Diagnosis Treatment Plan Include?
Dual diagnosis treatment plans are designed to help individuals with co occurring disorders manage their mental health symptoms while overcoming addiction. This approach combines evidence-based therapies, counseling, and sometimes medication assisted treatment to address both conditions simultaneously. The goal is to provide comprehensive care that supports long-term recovery and improved mental health. A well-rounded dual diagnosis treatment plan incorporates various behavioral health therapies, including:
- Cognitive Behavioral Therapy: Cognitive behavior therapy focuses on identifying and changing negative thought patterns that contribute to harmful behaviors.
- Dialectical Behavioral Therapy: Dialectical behavior therapy helps individuals, especially those with borderline personality disorder, reduce self-destructive behaviors like substance use or self-harm.
- Contingency Management: Contingency management rewards positive behaviors, such as maintaining sobriety or adhering to treatment goals, with small incentives.
- Motivational Enhancement Therapy: Motivational enhancement therapy encourages individuals to build their motivation for change and stay engaged in their recovery journey.
- Mutual-Support Groups: Mutual support groups at a drug rehab center like Dual Diagnosis Anonymous or Narcotics Anonymous offer peer support tailored to those with both substance use and mental health disorders.
Dual diagnosis treatment can be delivered across a continuum of care, depending on the individual’s needs:
- Detox: Detox provides 24/7 medical supervision to manage withdrawal symptoms safely. Medications may be prescribed to ensure comfort and safety as substances are cleared from the body.
- Inpatient or Residential Treatment: In a residential treatment setting, individuals live at a treatment facility full-time. They receive around-the-clock support, therapy, medical care, mental health treatment and substance abuse treatment to manage their substance use and co occurring mental health conditions.
- Outpatient Treatment: For those who don’t require 24/7 supervision, standard and intensive outpatient treatment programs offer similar services while allowing individuals to live at home. This option provides flexibility while maintaining a focus on recovery.
By addressing substance use and mental health issues simultaneously, integrated treatment plans at a dual diagnosis treatment facility offer a comprehensive path to healing. This approach helps individuals manage their symptoms and equips them with the tools and skills needed for a healthier, more balanced life.

We accept most insurance plans
Is Substance Abuse or Mental Illness Treatment Prioritized?
In a dual diagnosis treatment program, both substance abuse and mental illness are treated simultaneously, rather than prioritizing one over the other. This integrated approach recognizes the interconnected nature of these conditions, as substance abuse disorder can exacerbate mental health issues, and mental illness can often lead to drug abuse as a form of self-medication. Addressing both conditions concurrently is essential for long-term recovery and overall well-being.
For individuals dealing with complex challenges like heroin addiction, treatment services focus on managing severe physical withdrawal symptoms, breaking the cycle of addiction, and addressing the underlying mental health conditions contributing to the substance abuse disorder. Evidence-based treatments and therapies such as cognitive behavioral therapy and medication management are used to treat both drug abuse and mental health disorders effectively, ensuring that neither is overlooked during the addiction recovery process.
Common Causes of Co-Occurring Disorders
Co occurring disorders, or dual diagnosis, occur when an individual experiences both a mental health disorder and a substance use disorder simultaneously. These conditions often develop due to a combination of biological, psychological, and environmental factors. Understanding common causes of co occurring disorders is important for identifying risk factors and seeking treatment that addresses both conditions. Common causes of a co occurring disorder include:
- Untreated mental illness
- Genetic predisposition
- Stress and trauma
- Prolonged drug use
- Withdrawal effects
- Social and peer pressure
- Lack of support
- Brain chemistry imbalance
- Developmental factors
What Does Treatment Look Like for Addiction and a Co-Occurring Mental Health Disorder?
Treatment for dual-diagnosis disorders focuses on addressing both mental health conditions and substance use disorders simultaneously, as these conditions are often interconnected. A comprehensive approach ensures that neither issue is overlooked, providing individuals with the best chance for long-term recovery.
At a treatment center in Indiana, individuals receive a personalized treatment plan tailored to their unique needs. This plan accounts for the challenges of managing two or more disorders, such as anxiety and alcohol addiction or bipolar disorder and opioid dependence. Integrated care often includes evidence-based therapies, medication management, and supportive services to address the physical, emotional, and psychological aspects of treating co-occurring disorders.
Get fast answers to your questions

Does Insurance Cover Co-Occurring Disorder Treatment?
Most major insurance providers cover treatment for co-occurring disorders. The Affordable Care Act (ACA) and the Mental Health Parity and Addiction Equity Act ensure that treatment for substance use disorders and mental health conditions is considered an essential health benefit. This means that insurance providers are required to offer coverage for these treatments that are comparable to the coverage they provide for physical health conditions.
Navigating life with co-occurring disorders can be overwhelming, but with the right treatment and support, it’s entirely possible to manage these conditions and regain control. Dual diagnosis treatment programs are specifically designed to address both mental health and substance use disorders at the same time, providing the tools and strategies needed for long-term success.
If you’re considering treatment, reviewing your insurance plan or speaking with a provider to understand your benefits is a good idea. Coverage often varies by plan, but many insurers now offer substantial support for co-occurring disorder treatment, making recovery more accessible than ever before. If you decide to seek treatment in Indiana, our Indiana rehab centers can help you understand and maximize your coverage.
Rehab might feel like a big step, but it's important to remember why you're here—you’re seeking answers and looking for a way forward. We can help.
Dual Diagnosis Treatment Centers Indiana: Get Started at an Addiction Treatment Center for Co-Occurring Disorders
We understand the challenges of overcoming addiction and co-occurring disorders. Our team is dedicated to providing compassionate, evidence-based care that follows all guidelines provided by the Substance Abuse and Mental Health Services Administration. Whether you’re seeking help for substance use, mental health concerns, or both, our comprehensive programs are designed to support your journey to recovery and long-term well-being.
Take the first step toward a healthier, brighter future. Contact us today to learn more about our personalized treatment plans and how we can help you overcome a dual diagnosis. Our team is here to guide and support you every step of the way. Don’t wait—your recovery starts now.
Admitting you have a substance abuse problem and asking for help is not always easy. If you or a loved one are struggling with drug addiction, alcohol addiction or another substance use disorder, help is available. Call SAMHSA’s National Helpline at 800-662-4357 to learn about resources in your area or reach out to our team for personalized treatment by calling (317) 707 9848 . We are here to help you find addiction treatment near you.
View Article References
1. Substance Abuse and Mental Health Services Administration. (2023). Co-Occurring Disorders and Other Health Conditions.
2. National Alliance on Mental Illness (N.D.). Dual Diagnosis.
3. National Institute of Mental Health. (2024). Substance Use and Co-Occurring Mental Disorders.
4. National Alliance on Mental Illness. (2017). Understanding Dual Diagnosis.
5. National Library of Medicine. (2019). Integrating Treatment for Co-Occurring Mental Health Conditions.