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Eustachian Tubes

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When you yawn or swallow, the eustachian tubes open briefly and make the air pressure equal inside and outside the ears (top picture).

The eustachian tubes drain fluid from the ears. But if a tube can't open, fluid can get trapped in the middle ear (bottom picture). This creates pressure that can cause ear pain.

By Healthwise Staff
Primary Medical Reviewer Susan C. Kim, MD - Pediatrics
Specialist Medical Reviewer Charles M. Myer, III, MD - Otolaryngology
Current as of September 10, 2012

WebMD Medical Reference from Healthwise

Last Updated: September 10, 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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