Cited by 117Poisoning and overdose treatmentsSuicide and Self-Harm StudiesOpioid Use Disorder Treatment

Suicidal antidepressant overdoses: A comparative analysis by antidepressant type

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White, Nicole C., Litovitz, Toby, Clancy, Cathleen·2008·Journal of Medical Toxicology

Abstract

Introduction The safety of antidepressants following overdose is critical because of the high risk of suicide attempts in depressed patients. This study was conducted to decrease the fatality rate of antidepressant overdoses by providing data to shift prescribing toward safer antidepressants.Methods US poison control data for 2000-2004 were analyzed by 25 antidepressant types. Medical outcome differences were quantified using a hazard index (number of major or fatal outcomes per 1000 reported antidepressant ingestions).Results Of 82,802 suicidal single-agent ingestions of identifiable antidepressants approved for use in the US, cases occurred predominantly in females and peaked in teens. Fatal cases peaked at 40 to 49 years of age. Suicidal ingestions of the SSRIs, SNRIs, and other antidepressants peaked in teens, lithium in the twenties, tricyclics and tetracyclics in the thirties, and MAO inhibitors in the forties. There were 40 major or fatal outcomes per 1000 cases. Weighted by antidepressant type, the mean hazard index for the 25 antidepressants was 79 (range: 0 to 292). Amoxapine (292), maprotiline (211), and desipramine (187) had the highest hazard indices. The tricyclic antidepressants, MAO inhibitors, maprotiline, and bupropion were in the more severe half of antidepressants, ranked by hazard index. All SSRIs had low hazard indices. Hazard index and exposure frequency were inversely correlated (R = -0.423, p = 0.035), while hazard index and use of critical care were positively correlated for the 25 antidepressant types (R = 0.797, p < 0.001). Clinical effect profiles for each antidepressant type are presented.Conclusion Suicidal overdose severity varied considerably by antidepressant type. Prescribing decisions should be informed by regularly updated comparative overdose severity data.

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  1. Litovitz T, Manoguerra A. Comparison of pediatric poi- soning hazards: an analysis of 3.8 million exposure incidents. Pediatrics 1992;89(6):999-1006.

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Authors
White, N. C., Litovitz, T., & Clancy, C.
Affiliations
  • University of Virginia (US)
  • George Washington University (US)
Corresponding author
Litovitz, Toby
Venue
Journal of Medical Toxicology
Published
2008-12
Volume
4
Issue
4
Pages
238-250
ISSN
  • 1556-9039 (ISSN-L)
  • 1937-6995
OpenAlex
W1968018791
Cited by
117
References
27
Citations by year
2026: 4 · 2025: 4 · 2024: 6 · 2023: 4 · 2022: 12 · 2021: 8 · 2020: 6 · 2019: 9 · 2018: 9 · 2017: 6 · 2016: 7 · 2015: 2 · 2014: 7 · 2013: 9 · 2012: 9
FWCI
5.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Medical Toxicology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Emergency Medicine › Poisoning and overdose treatments
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Opioid Use Disorder Treatment
Keywords
antidepressant overdose, suicide attempts, antidepressant safety, hazard index, selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, tricyclic antidepressants, monoamine oxidase inhibitors, lithium, amoxapine, maprotiline, desipramine, bupropion, prescribing decisions
MeSH terms
Adolescent, Adult, Age Factors, Aged, Antidepressive Agents, Antidepressive Agents, Tricyclic, Child, Female, Humans, Male, Middle Aged, Monoamine Oxidase Inhibitors, Sex Factors, Suicide, Suicide, Attempted, United States, Treatment Outcome, Selective Serotonin Reuptake Inhibitors, Lithium Chloride, Antimanic Agents, Adrenergic Uptake Inhibitors, Young Adult, Drug Overdose

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