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  • Title: Methemoglobinemia caused by benzocaine topical spray.
    Author: Cooper HA.
    Journal: South Med J; 1997 Sep; 90(9):946-8. PubMed ID: 9305310.
    Abstract:
    Acute methemoglobinemia is a medical emergency that can rapidly become fatal. A substantial number of drugs, including topical preparations, can precipitate this condition. I report a rare example of severe, acute methemoglobinemia caused by oropharyngeal anesthesia with topical benzocaine spray for orogastric intubation. The pathophysiology, diagnosis, and treatment of methemoglobinemia are reviewed briefly.
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