Poisoning
Basics
Description
Description
- Poisoning may be intentional or unintentional
- Patients with change in mental status without clear cause should have poisoning (intoxication, overdose) considered in differential diagnosis
Etiology
Etiology
- Intentional:- Depression
- Suicide
- Homicide
- Recreational drug abuse
 
- Unintentional (accidental):- Common cause in children
- Therapeutic error (e.g., double dose)
- Recreational drug experimentation
- Polypharmacy adverse drug reaction
 
Pediatric Considerations
- Accidental ingestions – typically young children (1–5 yr)
- Consider child abuse if inconsistent or suspicious history
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Citation
Schaider, Jeffrey J., et al., editors. "Poisoning." 5-Minute Emergency Consult, 6th ed., Lippincott Williams & Wilkins, 2020. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307012/all/Poisoning. 
Poisoning. In: Schaider JJJ, Barkin RMR, Hayden SRS, et al, eds. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307012/all/Poisoning. Accessed October 30, 2025.
Poisoning. (2020). In Schaider, J. J., Barkin, R. M., Hayden, S. R., Wolfe, R. E., Barkin, A. Z., Shayne, P., & Rosen, P. (Eds.), 5-Minute Emergency Consult (6th ed.). Lippincott Williams & Wilkins. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307012/all/Poisoning
Poisoning [Internet]. In: Schaider JJJ, Barkin RMR, Hayden SRS, Wolfe RER, Barkin AZA, Shayne PP, Rosen PP, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. [cited 2025 October 30]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307012/all/Poisoning.
* Article titles in AMA citation format should be in sentence-case
TY  -  ELEC
T1  -  Poisoning
ID  -  307012
ED  -  Barkin,Adam Z,
ED  -  Shayne,Philip,
ED  -  Rosen,Peter,
ED  -  Schaider,Jeffrey J,
ED  -  Barkin,Roger M,
ED  -  Hayden,Stephen R,
ED  -  Wolfe,Richard E,
BT  -  5-Minute Emergency Consult
UR  -  https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307012/all/Poisoning
PB  -  Lippincott Williams & Wilkins
ET  -  6
DB  -  Emergency Central
DP  -  Unbound Medicine
ER  -  

 5-Minute Emergency Consult
5-Minute Emergency Consult

