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Walter J. O'Donohue, Jr, MD; Leonard M. Moss, MD; Vito A. Angelillo, MD

Arch Intern Med. 1980;140(11):1508-1509.

Abstract
• Acute methemoglobinemia may result from the use of several local anesthetic agents. Benzocaine (Cetacaine) spray has been shown previously to cause methemoglobinemia in two patients when applied topically to the mucous membranes. We describe a patient with respiratory failure following trauma who had two episodes of acute methemoglobinemia, one after the topical application of benzocaine and the second following lidocaine administration for endotracheal intubation. The episodes occurred more than 20 hours apart, and no other drugs known to induce methemoglobinemia were given. On both occasions, intravenous methylene blue was effective in correcting the disorder.

(Arch Intern Med 140:1508-1509, 1980)

Author Affiliations
From the Pulmonary-Allergy Division, Creighton University School of Medicine, Omaha.

Footnotes
Accepted for publication Jan 14, 1980.

Reprint requests to Pulmonary-Allergy Division, Creighton University School of Medicine, 601 N 30th St, Omaha, NE 68131 (Dr O'Donohue).

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