Dual Diagnosis: Treating Mental Health and Addiction Together

By NYSHIP Detox Editorial Team · Published 2026-06-07 · Medically reviewed by Bradley Tourtlotte, MD

It is common for a substance use disorder and a mental health condition to occur together. When they do, treating both at the same time gives people the best chance at lasting recovery. This guide explains what dual diagnosis means, why integrated care matters, and how New York State and government employees may use NYSHIP and the Empire Plan to access it. This is general education, not medical advice; please talk with a qualified clinician about your own situation.

What is dual diagnosis?

Dual diagnosis — also called co-occurring disorders or comorbidity — describes having both a mental health condition and a substance use disorder at the same time. According to the Substance Abuse and Mental Health Services Administration, co-occurring disorders are common, and either condition can develop first.

The National Institute of Mental Health notes that conditions such as depression, anxiety disorders, post-traumatic stress disorder and bipolar disorder frequently appear alongside substance use. Sometimes people use substances to cope with difficult symptoms; in other cases, substance use can worsen or trigger mental health symptoms.

Why treating both at once matters

For a long time, mental health and addiction were treated in separate systems. Research has since shown that integrated treatment — addressing both conditions together with a coordinated team — tends to produce better outcomes. The National Institute on Drug Abuse explains that when only one condition is treated, untreated symptoms of the other often drive relapse or make recovery harder.

• Symptoms of each condition can feed the other, so treating one alone often leaves a gap.
• A single, coordinated team can adjust medications and therapy as a whole.
• Integrated care reduces the confusion of navigating two separate systems.

What integrated treatment includes

Effective dual-diagnosis care is individualized, but it often combines several elements:

• A thorough assessment to understand both conditions.
• Medication management where appropriate, for example for depression, anxiety or opioid use disorder.
• Evidence-based therapy such as cognitive behavioral therapy or trauma-focused care.
• Coordinated levels of care, from detox or inpatient treatment through outpatient programs.
• Peer and family support to sustain progress over time.

You can read more about our approach on the dual diagnosis treatment page.

Recognizing the signs

Signs that a co-occurring condition may be present include using substances to manage mood, worsening anxiety or depression, withdrawing from people you care about, or repeated relapses despite treatment. If any of this sounds familiar, an assessment can help clarify what is going on.

Common combinations

Certain pairings of mental health and substance use conditions appear often, though every person is different. People living with depression may use alcohol or stimulants in an attempt to feel better, even though substances usually deepen depression over time. Those with anxiety or panic disorders sometimes turn to alcohol or benzodiazepines for short-term relief. Post-traumatic stress disorder frequently co-occurs with substance use, as people try to quiet distressing memories. Recognizing these patterns helps a treatment team design care that addresses the real driver, not just the surface behavior.

What recovery can look like

Recovery from co-occurring disorders is a process, not a single event, and progress is often gradual. With integrated care, many people find that as their mental health stabilizes, cravings ease, and as substance use decreases, their mood and anxiety improve. Setbacks can happen and do not erase progress; they are information the treatment team can use to adjust the plan. Building a support network — whether through peers, family, or community groups — helps sustain gains over the long term.

Using NYSHIP and the Empire Plan

NYSHIP, the New York State Health Insurance Program, covers many active and retired public employees, with the Empire Plan as its largest option. Mental health and substance use benefits are commonly included, and federal parity rules generally require these benefits to be comparable to medical benefits, as explained by the Centers for Medicare & Medicaid Services. Coverage still depends on your specific plan, network and medical necessity. To check your options, see our does NYSHIP cover rehab page or call us.

Getting help

Living with both a mental health condition and addiction can feel overwhelming, but integrated treatment works and help is available. For free, confidential, 24/7 support, call the SAMHSA National Helpline at 1-800-662-4357. If you are in crisis or thinking about suicide, call or text 988 to reach the 988 Suicide & Crisis Lifeline. To talk about dual-diagnosis treatment and NYSHIP coverage, call us at 213-321-6518.

Sources & References

• SAMHSA — Co-Occurring Disorders
• National Institute of Mental Health — Substance Use and Mental Health
• National Institute on Drug Abuse — Comorbidity
• SAMHSA — National Helpline
• 988 Suicide & Crisis Lifeline