Understanding Co-Occurring Disorders

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Dr. Eric Chaghouri

Medical Director

Dr. Eric Chaghouri is a distinguished forensic psychiatrist and addiction medicine specialist with a thriving private practice in West Hollywood and Century City, California. He specializes in the treatment of co-occurring psychiatric and addictive disorders and is recognized for his work with attorneys, courts, and legal teams in both civil and criminal litigation. He also provides expert consultation on psychiatric issues for major television networks and oversees a growing team of mental health clinicians.

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When you are struggling with substance use, it is rarely happening in a vacuum. Very often, there is an invisible partner driving the behavior. If you feel like your mental health and your substance use are deeply tangled up together, you are not imagining it. This experience is incredibly common, and understanding how they interact is the key to lasting recovery.

What “Co-Occurring” Means

In the medical and clinical world, having a co-occurring disorder (sometimes called a dual diagnosis) simply means that a person is experiencing a substance use problem and a mental health condition at the same exact time.

Neither condition is “more important” than the other, and having both does not mean your situation is twice as difficult to treat. It simply means your care plan needs to address both sides of the coin.

Why They Show Up Together

Mental health struggles and substance use do not just coexist by coincidence; they actively feed into one another in a cyclical relationship:

  • Self-Medicating: When coping with the heavy weight of untreated depression, chronic anxiety, or past trauma, substances are often used as an immediate way to find relief, quiet the mind, or numb emotional pain.
  • The Chemical Echo: While a substance might offer temporary relief, the chemical comedown actually alters brain chemistry, ultimately making symptoms of anxiety, depression, or PTSD much worse once the effects wear off.
  • The Shared Root: Often, both mental health conditions and addiction stem from the same underlying factors, such as genetic vulnerabilities, brain chemistry imbalances, or high-stress environments.

Common Pairings in Daily Life

To see how this plays out in reality, consider these common examples of co-occurring conditions:

  • Alcohol and Anxiety: Using alcohol to “take the edge off” in social situations or to quiet racing thoughts before bed, only to wake up the next morning feeling a physical wave of heightened anxiety (often called “hangxiety”).
  • Stimulants and Depression: Using stimulants to find the energy and motivation to get through the day when battling severe depression, which eventually leads to a deeper emotional crash.
  • Substances and Trauma (PTSD): Using substances to block out intrusive memories, nightmares, or the constant feeling of being on edge after a traumatic event.

Why Treating One Alone Often Fails

In the past, addiction treatment and mental health therapy were kept entirely separate. A person might have been told, “We can’t treat your depression until you get sober,” or vice versa.

We now know that treating only one of these conditions while ignoring the other is a primary reason recovery plans do not hold. If you only treat the substance use but leave the underlying anxiety or trauma unaddressed, the original pain remains. When life gets stressful, the urge to return to the old coping mechanism is incredibly strong. Conversely, trying to treat depression while actively using a chemical depressant is like trying to dry off while standing in the rain.

How Treating Both Works

True healing happens when we treat both conditions simultaneously, under the same roof, with a unified team.

Integrated treatment means your therapists, medical staff, and psychiatrists work together. We look at how your mental health triggers your substance use, and how your substance use impacts your mental health. In therapy, you will learn healthy, sustainable coping mechanisms to manage your mental health symptoms so that you no longer need to rely on substances to get through the day.

The Role of Psychiatry in Recovery

For many people, psychiatric support is a vital piece of the puzzle. Psychiatry in recovery is not about over-medicating; it is about restoring chemical balance to your brain so you can actively participate in your therapy.

A licensed psychiatrist can safely evaluate your needs and prescribe non-addictive medications to help manage symptoms of depression, anxiety, ADHD, or bipolar disorder. Our medical team carefully coordinates this care to ensure that any prescribed medication supports your sobriety and overall well-being. To learn more about how we integrate medical mind-care into recovery, visit our Psychiatry and Medication Management page.

You Can Heal Both

If you have felt trapped in a loop of treating your addiction only to have your mental health pull you back down, please know that there is hope.

You do not have to choose which problem to fix first. Both conditions are highly treatable, and they can be healed together. When you are ready to break the cycle and address the whole picture of your well-being, our compassionate clinical team is here to walk with you every step of the way. Reach out today to start a conversation.

You Don't Have to Carry This Alone.

Whether your biggest fear is an overdose, losing a job, declining health, damaged relationships, or simply not knowing what to do next, we want you to know that there is hope. Our team is here to answer your questions, help you understand your options, and support both you and your loved one. There is no pressure, no judgment, and no obligation, just caring professionals who understand how difficult this journey can be. The call is free.

Take the next step when you’re ready. We are here to walk this path with you. We also have free monthly informational and support meetings for you. Please click here for more information. It is a hybrid meeting, live in person and on-line for those who cannot make it to Costa Mesa.

Quiz: How Much Drinking Is Too Much?

Is your evening glass of wine a harmless habit, or is it starting to catch up with you? It’s not always easy to tell where “social drinking” ends and “too much” begins.

Take this quick, 2-minute quiz to check in on your relationship with alcohol and get clear, personalized insights.

If you answered "Yes" to more than one question:

Reflecting on your routine and finding balance

Answering "yes" to one or more of these questions can be a sign that alcohol might be starting to take up a bit more space in your mind, routine, or relationships than you would like. It is incredibly common for drinking habits to slowly shift over time, especially during stressful seasons, but realizing you want to look closer at those habits is a brave first step.

  • A gentle next step: You don’t have to make any major, life-altering decisions today. Simply giving yourself permission to talk openly and honestly about where you are can lift a massive weight.
  • Let's talk it through: We have compassionate, real people ready to listen and walk alongside you. Whether your goal is to cut back, take a temporary break, or just share your story, we are here with zero judgment and absolute confidentiality.

Want us to reach out to you?

Leave your details below and a caring member of our team will connect with you quietly and confidentially.

Quiz: Am I Depressed?

We all experience days when we feel down, exhausted, or just completely unmotivated. But when those heavy feelings start lingering, it can be hard to tell if you’re just going through a rough patch or if it’s something more.

This quick, confidential check-in is designed to help you pause and reflect on how you’ve actually been feeling lately. It is completely anonymous, entirely non-judgmental, and takes less than two minutes.

If you answered "Yes" to 3 questions or more:

Finding a gentle path forward

Answering "yes" to one or more of these questions can be a sign that a heavy mood, low energy, or a sense of exhaustion has started to weave its way into your daily life. Carrying this emotional weight is incredibly tiring, but acknowledging how much you have been holding inside is a profound and brave first step toward feeling like yourself again.

    • A gentle next step: You don’t have to navigate these heavy feelings or find the answers all on your own. Simply letting someone else help carry the weight for a moment can offer immense relief.
  • Let's talk it through: We have warm, compassionate people ready to listen and walk alongside you. Whether you are looking for guidance on how to start feeling better, or simply want a safe, confidential space to share what you've been going through—we are here for you.

Want us to reach out to you?

Leave your details below and a caring member of our team will connect with you quietly and confidentially.

Quiz: Do I Have a Substance Use Problem?

It’s common for habits to slowly shift over time, especially during stressful seasons. Often, we find ourselves using a substance to cope, unwind, or get through the day, only to realize it is starting to take up more space in our routine, thoughts, or relationships than we’d like.

This quick, 10-question check-in is a quiet space to reflect honestly on how your use is impacting your life. It is entirely anonymous, completely free of clinical judgment, and takes less than two minutes.

If you answered "Yes" to more than one question:

Reflecting on your routine and finding balance

Answering "yes" to one or more of these questions can be a sign that substance use might be starting to take up a bit more space in your mind, routine, or relationships than you would like. It is incredibly common for these habits to slowly shift over time, especially during stressful seasons, but realizing you want to look closer at those habits is a brave first step.

  • A gentle next step: You don’t have to make any major, life-altering decisions today. Simply giving yourself permission to talk openly and honestly about where you are can lift a massive weight.
  • Let's talk it through: We have compassionate, real people ready to listen and walk alongside you. Whether your goal is to cut back, take a temporary break, or just share your story, we are here with zero judgment and absolute confidentiality.

Want us to reach out to you?

Leave your details below and a caring member of our team will connect with you quietly and confidentially.

Quiz: Could It Be Both?

When we are struggling with deep stress, anxious thoughts, or a low mood, it is incredibly natural to look for immediate relief. Sometimes, we turn to alcohol or other substances just to quiet our minds, get some sleep, or feel normal for a night. 

This short self-assessment is designed to help you pause and look at how these two parts of your life might be influencing each other. It is entirely anonymous and takes less than two minutes.

If you answered "Yes" to more than one question:

Reflecting on how your experiences connect

Answering "yes" to one or more of these questions can be a sign that your mental health and substance use are deeply intertwined. When anxiety, depression, or stress connect with alcohol or drug use, they often feed into one another in a cycle. Recognizing this link is a powerful and brave step toward finding a path that heals both at the same time.

  • A gentle next step: You don’t have to separate these struggles or try to fix them one by one. True recovery looks at the whole picture, and starting with a simple, honest conversation can offer immense relief.
  • Let's talk it through: We have compassionate, real people ready to listen and walk alongside you. Whether your goal is to find balance, heal from trauma, or address both mental health and substance use together—we are here with zero judgment and absolute confidentiality.

Want us to reach out to you?

Leave your details below and a caring member of our team will connect with you quietly and confidentially.

Alcohol Self-Assessment

Take a moment to answer these questions honestly.
There are no right or wrong answers.

This assessment is not a medical diagnosis, but it can help you determine whether alcohol may be having a greater impact on your life than you realize.

In the past 12 months…

SCORE: 0 POINTS

Developed by Patrick Conod, LCSW, and Cari Lawyer, CATC I, on behalf of the Changes Treatment Center Clinical Leadership Team.

Is My Loved One Struggling with Alcohol?

A Self-Assessment for Family Members and Friends

Watching someone you love change because of alcohol can be confusing and heartbreaking. You may find yourself questioning what you’re seeing, wondering if you’re overreacting, or hoping things will get better on their own.

This assessment is designed to help you reflect on the behaviors you’ve noticed. It isn’t a diagnosis, but it may help you determine whether it’s time to seek guidance or support.

In the past 12 months…

Developed by Patrick Conod, LCSW, and Cari Lawyer, CATC I, on behalf of the Changes Treatment Center Clinical Leadership Team.