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Thumb-Sucking - Exams and Tests

Thumb-sucking behavior before age 4 is normal and does not require medical tests or evaluation. Children who continue to suck their thumbs after age 4 or 5 may need a:

  • Dental exam, to identify any irregularities of the teeth, bite, or jaw.
  • Speech evaluation, if word pronunciations are affected or other irregularities develop.

If the habit is severe and appears to be related to other behavioral disorders, such as anxiety, or a reaction from a traumatic event, a psychological evaluation may be needed.

Recommended Related to Children

Talking with Your Teen -- David Elkind, PhD

By David Elkind What's the matter? Nothing. Where are you going? Out. Do you want to talk? No. Does this sound like typical communication between you and your teen? If so, explore these tips for starting an open and frank discussion about drugs, sex, self-esteem, and other vital issues. David Elkind, PhD, was our guest. The opinions expressed herein are the guest's alone and have not been reviewed by a WebMD physician. If you have questions about your health, you should consult...

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WebMD Medical Reference from Healthwise

Last Updated: September 12, 2008
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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