Dual Diagnosis Treatment in California
Westlake Village Recovery Center, an outpatient treatment center in Westlake Village, California, offers dual diagnosis treatment that addresses both conditions together. Through partial hospitalization (PHP), intensive outpatient (IOP), and outpatient programs, we offer integrated therapy, psychiatric care, and trauma-informed support designed to treat the root causes of addiction while building the skills needed for long-term recovery.
Common mental illnesses that coincide with addiction include:
- Depressive disorders: People struggling with depression may turn to substances to self-medicate, temporarily relieving feelings of sadness or apathy.
- Anxiety disorders: Individuals struggling with anxiety disorders might use alcohol or drugs to calm their nerves, or to find relief from ongoing feelings of worry.
- Bipolar disorder: People with bipolar disorder may resort to substance use as a coping mechanism to manage the intense highs of mania or deep lows of depression that characterize the condition.
- Post-Traumatic Stress Disorder (PTSD): PTSD sufferers may use substances to escape traumatic memories or reduce emotional pain triggered by traumatic events.

What Are the Benefits of Dual Diagnosis Treatment?
Improved Treatment Outcomes
When both mental health and substance use disorders are treated at the same time, it leads to better and more lasting recovery. In dual diagnosis care, treatment reflects the complex relationship between each condition and supports a coordinated plan that includes learning healthy coping mechanisms. This reduces the overall risk of relapse, improving mental health symptom management and enhancing overall functioning. Self-medication, including self medicating to cope with symptoms, often worsens long-term mental health outcomes, which is why coordinated care supports successful recovery.
Enhanced Support and Personalization
Dual diagnosis treatment in California takes the individual’s full clinical picture into account, so care can be tailored to both the substance use disorder and the co-occurring mental health condition. Treatment plans, medication management, and support systems are built around how the two conditions affect each other. When appropriate, this may include prescription medications to help stabilize mood or manage symptoms. Individualized care like this helps people avoid approaches that could be triggering or unhelpful, and it supports stronger long-term recovery.

How Mental Illness Interacts with Addiction
Many individuals with mental health struggles turn to addictive substances to dull emotional pain or silence intrusive thoughts. This self-medication might offer short-term relief, but it often worsens symptoms over time. The overall cycle can lead to stronger dependencies and deeper emotional distress.
Conditions such as anxiety, depression, and PTSD can heighten a person’s susceptibility to addiction. The need to escape or numb overwhelming feelings makes substance use more tempting. Soon, it can evolve into a harmful habit that requires more of the substance to achieve the same calming effect.
One of the biggest challenges in treating co-occurring disorders is that their symptoms often overlap. For example, paranoia could be a symptom of a psychiatric condition like schizophrenia, or it could be brought on by heavy stimulant use, such as methamphetamine or cocaine. Because substance use can mimic, mask, or intensify mental health symptoms, it can be hard for clinicians to tell where one condition ends and the other begins. This is why careful assessment matters, so that both conditions are identified and treated effectively.
Despite growing awareness about the nature of addiction, many people still feel ashamed to admit they need help. The fear of judgement surrounding both mental illness and addiction can create powerful barriers, leading individuals to suffer in silence rather than reach out for support.
Substance abuse often makes mental illness worse over time. Some may work directly with how these illnesses manifest in the body, such as alcohol with depression and stimulants with anxiety. In many cases, using addictive substances compounds the original mental health challenge. This can trap individuals in a loop of pain and dependence.
The Impact of Co-occurring Disorders
Dual diagnosis can strain relationships by causing trust issues, irritability, and communication difficulties. These challenges often lead to misunderstandings and emotional distance, as loved ones may struggle to understand the nature of both mental health and substance use disorders. This can cause frustration on all sides as the addicted person doesn’t feel heard and the non-addicted person doesn’t feel like the person is “trying” to operate in a functional manner.
Absenteeism, poor performance, and erratic behavior from mental health and substance use issues can significantly hinder productivity and job performance. This makes it difficult to maintain steady employment, and can even lead to job loss or frequent transitions. This may leave individuals feeling stuck in their professional lives or dependent on others.
The stigma surrounding mental health and addiction often leads individuals with a dual diagnosis to withdraw from social events and relationships. If they feel judged or misunderstood, they may avoid opening up to others or expressing the truth about how they feel or what they need. This can deepen feelings of loneliness and isolation.
Managing daily tasks, such as household chores, finances, and self-care, can become overwhelming for individuals with a dual diagnosis. The combined mental and physical toll of both conditions can lead to disorganization, neglect of personal responsibilities, and increased stress. Being unable to handle these everyday challenges can make it impossible to maintain a structured life.

Therapy Treatments for Dual Diagnosis
Individual Therapy
One-on-one sessions with a licensed therapist explore the root causes of mental health and addiction issues. Each session is centered around a personalized treatment plan, and is focused around meaningful recovery for that individual person.
Cognitive Behavioral Therapy (CBT)
CBT can help individuals identify and change harmful thought patterns linked to addiction and mental health conditions. It helps people build coping strategies to manage triggers and reduce relapse risks.
Dialectical Behavior Therapy (DBT)
DBT can help people develop emotional regulation skills through cognitive techniques and mindfulness practices. It can help people improve their emotional control, relationships, and healthy coping skills.
Eye Movement Desensitization and Reprocessing (EMDR)
EMDR helps people with trauma process painful memories and reduce their emotional distress, without the immediate impact on communication. It’s considered an effective treatment for PTSD and trauma-linked substance abuse issues.
Group Therapy
Group therapy offers a safe space to share struggles and connect with others in similar situations. It can help reduce isolation, build community, and encourage peer support.
Family Therapy
Family therapy involves loved ones participating in a person’s recovery, and can help explain their addiction and dual diagnosis challenges to these family members. It can help strengthen communication and equip families to support the person’s long-term healing.
Treatment Available for Addiction at Westlake Village Recovery

Outpatient Care

Intensive Outpatient Program (IOP)

Partial Hospitalization Program (PHP)

Telehealth
Receive Support for Addiction and Mental Health at Westlake Village Recovery

FAQs About Dual Diagnosis Treatment in California
No. But it is common for people with addictions to use substances to manage mental health symptoms, even if they’re not aware that they have a condition. People may also experience aggravated mental health symptoms after using addictive substances, which can lead to the development or exacerbation of mental health conditions.
People typically attend addiction treatment for a few weeks to a few months. But it isn’t helpful to compare individuals in treatment, as people have different addiction histories, mental health needs, and overall behavioral health needs.
When someone is addressing their mental health through therapy, medication, or healthy coping mechanisms, there’s typically much less temptation to relapse back into substance abuse. The idea of coping with addictive substances is less appealing, because the person can see the healthier effects compared to using addictive substances. The right medication delivers necessary chemicals, substances, or directions to the brain to achieve balance. This can diminish
Health insurance can apply to most dual diagnosis treatment in California, but coverage may vary by provider and plan. Our team can help you verify your insurance and explain payment options.
No. Having a mental health condition doesn’t mean someone is “doomed” to develop an addiction. However, it can raise the chances that someone will develop an addiction, partly due to the risk of self-medication.

