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  • Title: Suicide-related over-the-counter analgesic exposures reported to United States poison control centers, 2000-2018.
    Author: Hopkins AG, Spiller HA, Kistamgari S, Zhu M, Michaels NL, Funk AR, Smith GA.
    Journal: Pharmacoepidemiol Drug Saf; 2020 Sep; 29(9):1011-1021. PubMed ID: 32715560.
    Abstract:
    PURPOSE: To investigate suicide-related over-the-counter (OTC) analgesic medication exposures among individuals ≥6 years old reported to United States (US) poison control centers. METHODS: Data from the National Poison Data System for the years 2000-2018 were retrospectively analyzed. RESULTS: From 2000 to 2018, US poison control centers recorded 549 807 suicide-related cases involving OTC analgesics, including 327 781 cases (59.6%) admitted to the hospital and 1745 deaths (0.3%). Most cases involved a single substance (67.5%) and occurred among females (72.7%) and individuals 6-19 years old (49.7%). Overall, the rate of exposures increased significantly by 33.5% from 2000 to 2018, primarily driven by the increasing exposure rate among 6- to 19-year-old females. From 2000 to 2018, exposure rates for acetaminophen and ibuprofen increased, while that for acetylsalicylic acid decreased. Additionally, the proportion of cases resulting in a serious medical outcome or healthcare facility admission increased for all types of OTC analgesics. Acetaminophen and acetylsalicylic acid accounted for 48.0% and 18.5% of cases, respectively, and 64.5% and 32.6% of deaths, respectively. Both acetaminophen and acetylsalicylic acid had greater odds of healthcare facility admission (ORs 2.56 and 2.63, respectively) and serious medical outcomes (ORs 2.54 and 4.90, respectively) compared with ibuprofen. CONCLUSIONS: The rate of suicide-related OTC analgesic cases is increasing. Acetaminophen and acetylsalicylic acid cases are associated with greater morbidity and mortality. Prevention efforts should include implementing unit-dose packaging requirements and restrictions on package sizes and purchase quantities for acetaminophen and acetylsalicylic acid products to reduce access to large quantities of these analgesics.
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