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Article
July 1973

Lidocaine in the Middle Ear: A Unique Cause of Vertigo

Author Affiliations

Stanford, Calif
From the Division of Otolaryngology, Stanford University Medical School, Stanford, Calif.

Arch Otolaryngol. 1973;98(1):42-43. doi:10.1001/archotol.1973.00780020046011
Abstract

Lidocaine (Xylocaine) can produce severe position-induced vertigo when used for ear canal anesthesia by injection or when applied directly into the middle ear. Typically, onset of nausea and dizziness occurs 40 minutes later and can last six to eight hours. The route of action is probably by diffusion through the round window to involve the utricle.

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