Substance Use Disorders at Psych Congress 2026

4 sessions on substance use disorders · September 15–19, 2026, New Orleans, LA. Compare substance use disorders at other meetings →

Tuesday, September 15

  • Symposium · Substance Use Disorders

    Cannabis Use and Mental Illness: What We Now Know (and Don't)

    Ilan Melnick · Andrew Penn

    Updates clinicians on cannabis-induced psychosis, mood effects, and dose-response data amid rising THC potency, with practical tapering strategies and treatment pathways for cannabis use disorder.

    Cannabis & Cannabinoids · Schizophrenia & Psychosis

Wednesday, September 16

  • Lecture · ADHD

    ADHD With Comorbidities: Anxiety, Mood Disorders, Autism, and Substance Use Disorders

    Timothy E. Wilens

    Frameworks for diagnostic clarification and treatment sequencing when ADHD co-occurs with anxiety, mood disorders, autism, or substance use, balancing symptom control against misuse and destabilization risks.

    ADHD · Anxiety Disorders · Autism & Neurodevelopmental Disorders

  • Symposium · Psychotic Disorders

    Not All Delusions are Schizophrenia: Understanding Delusional Disorders and the Overlap with Substance Induced Psychosis

    Arwen Podesta · Andrew Penn

    Uses a historic case to teach differential diagnosis of psychosis beyond schizophrenia — substance-induced, delusional, and medical causes — including temporal analysis, labs, and imaging.

    Measurement-Based Care & Diagnosis · Schizophrenia & Psychosis

Friday, September 18

Other topics at this meeting

Depression 10Neuroscience & Mechanisms 10Schizophrenia & Psychosis 9Measurement-Based Care & Diagnosis 8Drug Pipeline & Clinical Trials 7Sleep & Insomnia 7ADHD 6Bipolar Disorder 6Drug Interactions & Safety 6Lifestyle & Integrative Psychiatry 6Psychotherapy 6Antipsychotic Prescribing 5

Full program overview →