Dual Diagnosis Treatment

Last reviewed 2026-07-18

Dual diagnosis (also called co-occurring disorders) refers to having both a substance use disorder and a mental health condition — such as depression, anxiety, PTSD, or bipolar disorder — at the same time.

Why it matters

Substance use and mental health conditions often reinforce each other: someone might use a substance to cope with untreated anxiety, and the substance use in turn worsens the underlying condition. Treating only one side tends to leave the door open for relapse.

Integrated treatment

Programs built for dual diagnosis treat both conditions together, usually with a coordinated team that includes addiction specialists and mental health clinicians. This looks different from treating the two separately in sequence, and research generally supports integrated care as more effective for people with co-occurring conditions.

If you're looking for a program, ask directly whether they're equipped for dual diagnosis care — not every facility is.

This guide is for general education only and is not medical advice. If you or someone you know is in crisis, call or text 988.