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David W Dixon, DO Psychiatrist, 2nd Chance Treatment Center, Gilbert, AZ

David W Dixon, DO is a member of the following medical societies: American Medical Association, American Psychiatric Association

Disclosure: Nothing to disclose.

Ryan P Peirson, MD Aerospace Psychiatry Consultant, Aeromedical Consultation Service, Neuropsychiatry Branch (FECN), US Air Force School of Aerospace Medicine; Assistant Professor of Psychiatry, Chief of Forensic Psychiatry, Assistant Training Director, General Psychiatry Residency, Wright State University, Boonshoft School of Medicine

Ryan P Peirson, MD is a member of the following medical societies: Aerospace Medical Association, American Academy of Psychiatry and the Law, American Psychiatric Association, Ohio Psychiatric Physicians Association

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Received salary from Medscape for employment. for: Medscape.

Glen L Xiong, MD Associate Clinical Professor, Department of Psychiatry and Behavioral Sciences, Department of Internal Medicine, University of California, Davis, School of Medicine; Medical Director, Sacramento County Mental Health Treatment Center

Glen L Xiong, MD is a member of the following medical societies: AMDA - The Society for Post-Acute and Long-Term Care Medicine, American College of Physicians, American Psychiatric Association, Central California Psychiatric Society

Disclosure: Serve(d) as a director, officer, partner, employee, advisor, consultant or trustee for: SafelyYou, Blue Cross Blue Shield<br/>book co-editor for: Wolter Kluwer, American Psychiatric Publishing Inc.

Barry I Liskow, MD Professor of Psychiatry, Vice Chairman, Psychiatry Department, Director, Psychiatric Outpatient Clinic, The University of Kansas Medical Center

Disclosure: Nothing to disclose.

Adrian Preda, MD Professor of Clinical Psychiatry and Human Behavior, University of California, Irvine, School of Medicine

Adrian Preda, MD is a member of the following medical societies: American Association for the Advancement of Science, American Psychiatric Association, International College of Neuropsychopharmacology, International Congress of Schizophrenia Research, Schizophrenia International Research Society, Society of Biological Psychiatry

Disclosure: Nothing to disclose.

The authors and editors of Medscape Drugs & Diseases gratefully acknowledge the contributions of previous authors Ziaur Rehman, MD, Suzan Khoromi, MD, James E Douglas, MD, Steven A Adelman, MD, and William J Meehan, MD, PhD to the development and writing of this article.

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