What Is Dual Diagnosis?
Dual diagnosis, also called co-occurring disorders, means a person has both a mental health condition and a substance use disorder. Common pairings include anxiety and alcohol use, depression and stimulant use, PTSD and substance use, and bipolar disorder and substance use.
Co-occurring disorders are common. Each condition can worsen the other, which makes integrated treatment important. Treating only one often leaves the other untreated and can lead to relapse.
Recognizing Co-Occurring Disorders: Signs and Symptoms
Symptoms of both conditions can overlap or hide each other. Substance use can mask or mimic mental health symptoms, and mental health symptoms can drive substance use. Warning signs include using to cope with emotions, mood or anxiety symptoms that worsen with use, relapse after previous treatment, and symptoms that continue after stopping substances.
An accurate diagnosis requires a careful assessment by a licensed clinician, ideally with a period of stability to separate substance effects from underlying symptoms.
How Mental Health and Substance Use Feed Each Other
The link runs both ways. Some people use substances to cope with anxiety, trauma, or depression. Others develop mental health symptoms as a result of substance use. In either case, integrated treatment helps break the cycle.
How FOY Approaches Dual Diagnosis
Integrated care at FOY means one team, one assessment, and one treatment plan that addresses both conditions together. Therapy includes CBT, DBT skills, motivational interviewing, relapse prevention, trauma-informed care, and EMDR where appropriate. Holistic practices such as yoga, breathwork, meditation, and nutritional guidance support whole-person recovery.
Adults Living With Dual Diagnosis Who Need More Than Weekly Therapy
Our clients with dual diagnosis are often adults who have been through addiction treatment that did not address their mental health, or mental health treatment that did not address their substance use. PHP and IOP give a structured, integrated setting that supports both.
FAQs
What is dual diagnosis?
Dual diagnosis, or co-occurring disorders, means having a mental health condition and a substance use disorder at the same time.
Why is integrated treatment important?
Each condition can trigger or worsen the other. Treating both together reduces the chance that one undermines progress on the other.
Which comes first, the mental health condition or the substance use?
It varies. Some people use substances to cope with symptoms, and others develop symptoms after substance use. A full assessment helps clarify the picture.
What are common examples of dual diagnosis?
Examples include anxiety with alcohol use, depression with stimulant use, PTSD with substance use, and bipolar disorder with substance use.
Can PHP or IOP treat dual diagnosis?
Yes, for adults who are medically stable and have a safe place to live. PHP and IOP provide structured, integrated treatment while you stay at home.
Do I need to stop using substances before I start?
Many people begin treatment while still using. If you are at risk of withdrawal, you may need medical detox first.
Will my mental health condition be treated in addiction treatment?
At FOY, yes. Both conditions are assessed and treated together in one plan.
Does insurance cover PHP or IOP for dual diagnosis?
Many plans cover PHP and IOP for dual diagnosis when medical necessity criteria are met, and federal parity law requires mental health and substance use benefits to be comparable to medical benefits. FOY is in-network with Blue Shield, Cigna, and TRICARE through TriWest, and we verify your benefits at no cost.
Does FOY accept out-of-network PPO insurance for dual diagnosis treatment?
FOY works with out-of-network PPO plans from Anthem, Aetna, Multiplan, HMC HealthWorks, and Blue Cross Blue Shield. Many PPO plans reimburse part of PHP and IOP costs after your out-of-network deductible is met. We explain your deductible, coinsurance, and out-of-pocket maximum before you decide, and we handle prior authorization paperwork.
How is PHP or IOP different from weekly therapy for dual diagnosis?
Weekly therapy usually treats one condition at a time. PHP and IOP provide the frequency and integration that dual diagnosis often needs.
Start PHP and IOP Treatment in Agoura Hills, California
Talk with our admissions team, check your insurance for free, and find out which level of care fits. Admissions is available Monday to Friday. FOY welcomes adults from Agoura Hills, Calabasas, Westlake Village, Thousand Oaks, the San Fernando Valley, and across Los Angeles and Ventura Counties, as well as adults from across the United States who can travel to attend in person.
Confidential. No obligation. In a crisis, call or text 988, or call 911.
This page is for educational purposes only and is not a substitute for professional medical or psychological advice.