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Abstract
Context: While low toxicity is reported, there are sparse data on the safety of acute picaridin (icaridin) exposures in humans.
Objective: The purpose of this study was to review National Poison Data System (NPDS) data regarding ingestion of insect repellents containing picaridin and compare those to insect repellents containing DEET and other insect repellents not containing DEET.
Methods: NPDS was queried for single agent human insect repellent ingestions reported between 1 January 2000 and 31 May 2015 using the American Association of Poison Control Center generic categories 201048 (Insect Repellents with DEET) and 201049 (Insect Repellents without DEET). Picaridin-containing product exposures were assessed using Poisindex® product ID 6744589. Insect repellents of unknown type were not included.
Results: 68,429 exposures occurred; 24% were non-DEET-containing products, of which 2% were picaridin-containing products. Among picaridin exposures, 92.9% were managed outside of a health-care facility; there were no reported cases of major effect or death, and only one case of moderate effect. Primary symptoms across all insect repellent exposures included ocular irritation/pain, vomiting, red eye/conjunctivitis, and oral irritation. Treatment primarily included dilution/irrigation/wash.
Conclusion: Unintentional ingestion of picaridin-containing and other insect repellents was associated only with minor toxicity and was generally managed outside of a health-care facility.
Disclosure statement
These data are accepted in abstract form for presentation at the European Association of Poison Control Centres and Clinical Toxicologists in May of 2016. The authors have no conflicts of interest to declare.
Funding information
There was no funding obtained for this research.
The American Association of Poison Control Centers (www.aapcc.org) maintains the national database of information logged by the 57 US poison control centers. Case records in this database are from self-reported calls; they reflect only information provided when the public or health-care professionals report an actual or potential exposure to a substance (e.g., an ingestion, inhalation, or topical exposure) or request information. Exposures are not necessarily poisonings or overdoses. The AAPCC is not able to completely verify the accuracy of every report made to member centers. Additional exposures may go unreported to poison control centers, and data referenced from the AAPCC should not be construed to represent the complete incidence of national exposures to any substance(s).