Diagnosaurus
Tricyclic antidepressant overdose
DDx
- Other anticholinergic poisoning, eg, atropine, scopolamine, antihistamines
- Other causes of QRS widening, eg, hyperkalemia, antiarrhythmics, bundle branch block
- Other causes of seizure, eg, epilepsy, hypoglycemia, drug withdrawal
- Sympathomimetic poisoning, eg, cocaine, amphetamines
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Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "Tricyclic Antidepressant Overdose." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114927/0/Tricyclic_antidepressant_overdose.
Zeiger RFR. Tricyclic antidepressant overdose. Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114927/0/Tricyclic_antidepressant_overdose. Accessed November 4, 2025.
Zeiger, R. F. (2014). Tricyclic antidepressant overdose. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114927/0/Tricyclic_antidepressant_overdose
Zeiger RFR. Tricyclic Antidepressant Overdose [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2025 November 04]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114927/0/Tricyclic_antidepressant_overdose.
* Article titles in AMA citation format should be in sentence-case
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