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Published on: May 27, 2015
Acquired methemoglobinemia induced by indoxacarb poisoning: a case report
Dhouha Ben Braiek1, Rania Hidri1, Chaima Kaabi1
1Medical Intensive Care Unit, Ibn El Jazzar University Hospital, Kairouan, Tunisia.
Abstract:
Indoxacarb, a large-spectrum non-organophosphorus oxadiazine insecticide, is broadly used in farming whose mechanism of action is the blockage of voltage-gated sodium channels of insects. There is restricted data on human poisoning. We report a case of an 18-year-old male patient without comorbidities presented with unconsciousness and cyanosis after the intentional ingestion of indoxacarb in a suicide attempt. Methemoglobinemia was clinically suspected and was successfully treated after methylene blue injection, associated with supportive and symptomatic management. This case emphasizes the importance of considering methemoglobinemia after indoxacarb ingestion in addition to its early recognition and timely injection of methylene blue which led to complete recovery without sequelae.
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