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Introduction: Chlorfenapyr is a pyrrole-based pro-insecticide. The main activity of this agent is the inhibition of adenosine triphosphate synthesis, and it is used in agriculture to control several insects and mites resistant to carbamate, organophosphate and pyrethroid insecticide. The World Health Organization classifies this agent as a class II toxin (moderately hazardous). Case presentation: All previously reported cases of chlorfenapyr poisoning in humans occurred following oral ingestion except one case involving exposure to chlorfenapyr vapour. Discussion: In this report, we describe a case of chlorfenapyr intoxication after skin exposure in a 49-year-old patient who died 5 days after exposure. Conclusion: This case demonstrates that similar to oral ingestion, dermal absorption of chlorfenapyr may also be fatal.
Han et al. (Wed,) studied this question.