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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

How Do I Prepare?

Tell your doctor ahead of time if you have ever had an allergic reaction to lidocaine or the numbing medicine used at the dentist's office, or to x-ray dyes. You should also tell your doctor if you might be pregnant, since x-rays can harm the developing baby.

From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

You can find more great health information on the Harvard Health Publications website.