Diagnosing Intoxication, Delirium, and Psychosis in Patients Presenting with Substance Use Disorders


Review the criteria for diagnosing intoxication, delirium, and psychosis
Differentiate these diagnoses when presenting separately and overlapping in SUD patients
Classify psychotropic drugs used to treat these conditions
Review the neurotransmitter pathways involved in the conditions and the indications for treatment.

Prescribing clinicians and their teams

Continuing Medical Education
This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of the Maine Medical Education Trust and CCSME. The Maine Medical Education Trust is accredited by the Maine Medical Association Committee on Continuing Medical Education and Accreditation to provide continuing medical education for physicians.

Contact Hours

1 contact hour for social workers, licensed clinical professional counselors, and behavioral health professionals
1 Category I contact hour for psychologists are provided. CCSME is a pre-approved sponsor and provider of Professional Education Activities for Psychologists.
1 contact hour CHES. CCSME is a designated provider of continuing education contact hours (CECH) in health education by the National Commission for Health Education Credentialing, Inc.
1 contact hour pending for alcohol and drug counselors from the board of alcohol and drug counselors


  • William Allen Schaffer
    William Allen Schaffer

    William Allen Schaffer, MD Dr. Allen Schaffer is a Physician practicing in New England. His interests include Collaborative Care Psychiatry, Consultation Liaison Psychiatry, Psychiatric Inpatient Service, Co-occurring Substance Use Disorders, and Treatment of Impaired Professionals. He has a unique set of clinical and administrative skills bridging many of the delivery sectors in health care. He is ABMS Certified in both Psychiatry and Internal Medicine, and he practices Psychiatry across the care continuum. He is currently an Attending Inpatient Psychiatrist at the University of Vermont Medical Center in a long term Locums assignment.
    He previously practiced in Bangor, Maine, concurrently as Chief of Psychiatry at Community Health and Counseling Service, Attending Psychiatrist at St. Joseph Hospital, at Wellspring Substance Abuse and Mental Health Service, Aroostook Mental Maine Board of Licensure in Medicine for nearly a decade.


Feb 23 2023


12:00 pm - 1:00 pm



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Co-Occurring Collaborative Serving Maine


Co-Occurring Collaborative Serving Maine