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Methemoglobinemia Associated with Benzocaine in Over-the-Counter (OTC) Medications

Specialty:

Toxicology
Emergency Medicine
Critical Care

Objective:

ICD-10:

Description:

Benzocaine in over-the-counter (OTC) analgesic preparations may cause methemoglobinemia, with some fatalities reported. The methemoglobinemia may occur after the first application of the benzocaine preparation.

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