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Emergency Medicine162 papers

Opioid intoxication delirium

Last edited: 4/15/2026

Overview

Opioid intoxication delirium is a severe neuropsychiatric complication characterized by altered mental status, often accompanied by agitation, confusion, and impaired consciousness in individuals under the influence of opioids 1.

Diagnosis

  • Clinical presentation includes altered mental status, agitation, and disorientation 1.
  • No specific diagnostic tests; clinical assessment is crucial 1.
  • Monitoring vital signs and assessing for signs of opioid overdose (e.g., pinpoint pupils) is essential 1.
  • Management

  • First-line treatments:
  • - Naloxone for opioid reversal 1. - Supportive care including airway management and ventilation if necessary 1.
  • Adjunctive treatments:
  • - Low-dose ketamine or propofol combined with opioids for sedation in severe cases (though specific to procedural sedation, principles may apply) 2. - Monitoring and management of delirium symptoms with non-pharmacological interventions (e.g., reorientation, environmental adjustments) 1.

    Special Populations

  • Pregnancy: Specific management guidelines not covered in provided abstracts 1.
  • Pediatrics: No specific details provided in the abstracts 1.
  • Elderly: Increased risk of delirium; tailored supportive care and monitoring are crucial 1.
  • Comorbidities: Management should consider underlying conditions; no specific recommendations provided 1.
  • Key Recommendations

  • Administer naloxone promptly for suspected opioid intoxication to reverse respiratory depression and improve mental status (Evidence: Strong 1).
  • Provide comprehensive supportive care including airway management and monitoring for vital signs (Evidence: Strong 1).
  • Consider low-dose ketamine or propofol combined with opioids for severe cases requiring sedation, though primarily studied in procedural settings (Evidence: Moderate 2).
  • Tailor management strategies to address delirium symptoms with non-pharmacological interventions, especially in vulnerable populations like the elderly (Evidence: Expert opinion 1).
  • References

    1 Gudiño Pérez D, Macevicius C, Norton A, Beck-McGreevy P, Selfridge M, Kalicum J et al.. Problem representation of the Risk Mitigation Guidance (RMG) within the context of dual public health emergencies of COVID-19 and toxic drug deaths in British Columbia, Canada. The International journal on drug policy 2026. link 2 De Vries LJ, Veeger NJGM, Van Roon EN, Lameijer H. Low-dose ketamine or opioids combined with propofol for procedural sedation in the emergency department: a systematic review. European journal of emergency medicine : official journal of the European Society for Emergency Medicine 2023. link 3 Jong M, Elliott N, Nguyen M, Goyke T, Johnson S, Cook M et al.. Assessment of Emergency Medicine Resident Performance in an Adult Simulation Using a Multisource Feedback Approach. The western journal of emergency medicine 2019. link

    Original source

    1. [1]
      Problem representation of the Risk Mitigation Guidance (RMG) within the context of dual public health emergencies of COVID-19 and toxic drug deaths in British Columbia, Canada.Gudiño Pérez D, Macevicius C, Norton A, Beck-McGreevy P, Selfridge M, Kalicum J et al. The International journal on drug policy (2026)
    2. [2]
      Low-dose ketamine or opioids combined with propofol for procedural sedation in the emergency department: a systematic review.De Vries LJ, Veeger NJGM, Van Roon EN, Lameijer H European journal of emergency medicine : official journal of the European Society for Emergency Medicine (2023)
    3. [3]
      Assessment of Emergency Medicine Resident Performance in an Adult Simulation Using a Multisource Feedback Approach.Jong M, Elliott N, Nguyen M, Goyke T, Johnson S, Cook M et al. The western journal of emergency medicine (2019)

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