How does trauma cause otitis externa (OE)?

Updated: Mar 09, 2020
  • Author: Ariel A Waitzman, MD, FRCSC; Chief Editor: Ravindhra G Elluru, MD, PhD  more...
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Answer

Trauma to the EAC allows invasion of bacteria into the damaged skin. This often occurs after attempts at cleaning the ear with a cotton swab, paper clip, or any other utensil that can fit into the ear.


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