Matthew R. Caldwell, MD

Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire

  • 2Articles
  • 2025–2026Active
  • 5Collaborators
  • 2Citations

About

Matthew R. Caldwell, MD is affiliated with Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire. Matthew R. Caldwell has contributed 1 peer-reviewed article published across the Journal of Clinical Psychiatry and the Primary Care Companion for CNS Disorders in 2025. Their work focuses on Addiction and Psychotic Disorders.

Publications

PCC
Clozapine, Xanomeline-Trospium, and Catatonia
Rounds in the General Hospital

Clozapine, Xanomeline-Trospium, and Catatonia

August 11, 2026

Abrupt clozapine discontinuation during a cross-taper to xanomeline/trospium chloride can trigger catatonia. Learn how overlapping cholinergic mechanisms complicate this transition and how to manage withdrawal-induced catatonia.
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PCC
Machine Madness: A Case of Artificial Intelligence Psychosis
Case Report

Machine Madness: A Case of Artificial Intelligence Psychosis

December 30, 2025

A 41-year-old man with a history of substance-induced psychosis, developed symptoms of psychosis related to frequent occupational use of AI.
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Physicians Postgraduate Press, Inc. (PPP) makes no warranties about the accuracy or completeness of any information published in The Journal of Clinical Psychiatry or other PPP materials, and disclaims liability for any use or non-use of that information. Clinicians should not rely solely on these materials and should exercise their own professional judgment when making patient care decisions on an individualized basis.

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