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Acute hysterical psychosis — Clinical Guidelines

Overview

Acute hysterical psychosis, often rooted in psychological distress rather than organic pathology, presents with acute onset of severe psychiatric symptoms mimicking psychosis, typically without a prior history of mental illness. 18

Diagnosis

Clinical Presentation: Acute onset of symptoms including confusion, hallucinations, or dramatic behavioral changes.

Differential Diagnosis: Distinguish from organic psychosis, malingering, and other psychiatric disorders through thorough psychiatric evaluation. 2 6

Recommended Tests: No specific laboratory tests; focus on clinical assessment and ruling out medical causes. 1 6

Grading: Severity often assessed clinically based on symptomatology and functional impairment. 1 6

Management

First-Line Treatments: Supportive care, reassurance, and environmental modifications to reduce stress.

Pharmacological Interventions: Parenteral antipsychotics such as olanzapine (intramuscular or intravenous) for agitation and psychosis. 17

Psychological Support: Psychotherapy, particularly supportive psychotherapy, to address underlying psychological issues. 1 6

De-escalation Techniques: Non-pharmacological interventions including calm communication and physical containment if necessary. 2 6

Special Populations

Pediatrics: Tailored pharmacological management with careful dosing of antipsychotics; close monitoring essential. 9

Elderly: Increased caution with psychotropic medications due to higher risk of side effects; focus on non-pharmacological interventions. 1 6

Comorbidities: Integrated care addressing both psychiatric and medical comorbidities; multidisciplinary team approach recommended. 1 6

Key Recommendations

Thorough Assessment: Conduct a comprehensive psychiatric evaluation to differentiate hysterical psychosis from other conditions (Evidence: Moderate 2 6).

Supportive Environment: Implement supportive and non-confrontational strategies to manage acute episodes (Evidence: Expert opinion 1).

Pharmacological Use: Reserve parenteral antipsychotics for severe agitation, considering route and dose carefully (Evidence: Moderate 17).

Training and Preparedness: Enhance training for healthcare providers in recognizing and managing psychiatric emergencies through simulation-based learning (Evidence: Moderate 1).

Interdisciplinary Collaboration: Foster collaboration between emergency physicians, psychiatrists, and nursing staff for comprehensive care (Evidence: Expert opinion 5 11).

References

1 Tennant M, Meeks M, Beaglehole B, Frampton C, Foley J, Ide E et al.. Preparing House Officers for Emergencies in a Psychiatric Setting with Simulation-Based Learning. Academic psychiatry : the journal of the American Association of Directors of Psychiatric Residency Training and the Association for Academic Psychiatry 2026. link 2 Brenner JM, Robey TE. Legal and Ethical Considerations in Psychiatric Emergencies. Emergency medicine clinics of North America 2024. link 3 Chen WC, Chaou CH, Ng CJ, Chang YC. Assessing emergency physicians' competency gaps in caring for acute psychiatric emergencies: a comparative analysis of self-perceived confidence and performance against training program expectations. BMC medical education 2024. link 4 Im DD, Scott KW, Venkatesh AK, Lobon LF, Kroll DS, Samuels EA et al.. A Quality Measurement Framework for Emergency Department Care of Psychiatric Emergencies. Annals of emergency medicine 2023. link 5 Pérot R, Fauchereau K. [Nursing collaboration in the implementation of an ABI in psychiatric emergencies]. Soins. Psychiatrie 2023. link 6 Rentrop M, Zwanzger P. [Anxiety, agitation, suicidality - Psychiatric emergencies in the general hospital]. Deutsche medizinische Wochenschrift (1946) 2023. link 7 Schick B, Mayer B, Hensel C, Schmid S, Jungwirth B, Barth E et al.. Medical experience as an influencing parameter in emergency medical care for psychiatric emergencies: retrospective analysis of a multicenter survey. BMC emergency medicine 2023. link 8 Zubair UB. Difference in Patterns of Psychiatric Emergencies in Different Cultures: Do Psychiatric Residents Need More Than Written in Books?. Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2022. link 9 Vloet TD, Fekete S, Gerlach M, Romanos M. [The Pharmacological Management of Emergencies in Child and Adolescent Psychiatry]. Zeitschrift fur Kinder- und Jugendpsychiatrie und Psychotherapie 2022. link 10 Meriaux M, Denis J. [When contextual realities hinder the process of welcoming new patients in psychiatric emergency units]. Recherche en soins infirmiers 2022. link 11 Lafont Rapnouil S, Parfait L, Clouzeau J, Albinet M, Fave L, Rogalle A et al.. An Innovative, Nurse-Led Service for Appropriate Management of Psychiatric Emergencies: Initial Findings. Psychiatric services (Washington, D.C.) 2022. link 12 Kverno K, Mangano E. Psychiatric Emergencies and the Potential Role of Psychiatric-Mental Health Nurse Practitioners. Journal of psychosocial nursing and mental health services 2021. link 13 Heyland M, Limp M, Johnstone P. Utilization of Peer Support Specialists as a Model of Emergency Psychiatric Care. Journal of psychosocial nursing and mental health services 2021. link 14 Gourevitch R, Boiteux C, Guedj-Bourdiau MJ. [Psychiatric emergencies and sense of urgency occurring upstream from health services: What should be done?]. L'Encephale 2021. link 15 Heitz C, Morgenstern J, Bond C, Milne WK. Hot Off the Press: SGEM #257-EMTALA: It's the Law of the Land. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine 2020. link 16 Parker CB. Psychiatric Emergencies in Nonpsychiatric Settings: Perception Precludes Preparedness. Psychosomatics 2019. link 17 Cole JB, Moore JC, Dolan BJ, O'Brien-Lambert A, Fryza BJ, Miner JR et al.. A Prospective Observational Study of Patients Receiving Intravenous and Intramuscular Olanzapine in the Emergency Department. Annals of emergency medicine 2017. link 18 Walusinski O. A case of Charcotian grande hystérie: observation by Julien Offray de La Mettrie in 1738. European neurology 2012. link 19 Bogousslavsky J. Charcot and art: from a hobby to science. European neurology 2004. link 20 Townsend MH. Emergency psychiatry training for third-year medical students as reported by directors of medical student education in psychiatry. Teaching and learning in medicine 2004. link 21 Santucci KA, Sather J, Baker MD. Emergency medicine training programs' educational requirements in the management of psychiatric emergencies: current perspective. Pediatric emergency care 2003. link 22 Weissberg M. The meagerness of physicians' training in emergency psychiatric intervention. Academic medicine : journal of the Association of American Medical Colleges 1990. link 23 Nandi DN, Banerjee G, Bera S, Nandi S, Nandi P. Contagious hysteria in a West Bengal village. American journal of psychotherapy 1985. link 24 Hurst LC. What was wrong with Anna O?. Journal of the Royal Society of Medicine 1982. link

Acute hysterical psychosis