Some possible causes
(HealthDay News) -- An ear infection is a common ailment, especially among young children whose eustachian tubes clog easily.
The U.S. National Library of Medicine says possible causes of ear infection include:
- A sinus infection or the common cold.
- Exposure to tobacco smoke or other irritating substances.
- Infected or overgrown adenoids.
- A side effect of teething among young children.
-- Diana Kohnle
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