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Chemical Ablation for Vertigo - Topic Overview

Chemical ablation is sometimes used to reduce severe symptoms of vertigo from Ménière's disease. The goal of treatment for Ménière's disease is to eliminate symptoms while keeping as much hearing in the ear as possible.

During chemical ablation, an antibiotic—usually gentamicin but sometimes streptomycin—is injected with a small, thin needle into the inner ear to damage the part of the ear that controls balance. You are first given a local anesthetic in your ear so the injection isn't painful. The antibiotic is left in your middle ear for about 30 minutes and then allowed to drain out.

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Typically, a single injection is given once a week over a course of 4 weeks. It may take 1 to 2 weeks for symptoms of vertigo to totally subside. Treatments stop after you no longer respond to warm or cool water or air as it is gently pulsed into each ear canal. This means that the cells in the balance center of your inner ear have been destroyed.

Chemical ablation is usually reserved for people who haven't been able to control symptoms of severe vertigo with other treatments. Ablation with gentamicin will cause some hearing loss in about 1 out of 4 people who have it.1 The possibility of losing your hearing in one ear is a major consideration when deciding whether to have chemical ablation to treat Ménière's disease. In some cases, the disease may have already damaged your hearing, which makes the risk of being deaf in that ear less of a consideration.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: April 12, 2012
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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