Hearing topics A-Z

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Fact sheet: What is an ear infection?

An ear infection is an inflammation of the middle ear, usually caused by bacteria, that occurs when fluid builds up behind the eardrum. Anyone can get an ear infection, but children get them more often than adults. Ear infections are the most common reason parents bring their child to a doctor. The scientific name for an ear infection is otitis media (OM).

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Fact sheet: Swimmer’s Ear

Swimmer’s ear is an infection or inflammation of the canal between the eardrum and the outer ear. Another name for swimmer’s ear is otitis externa. Causes include water in the ear canal, mechanical damage due to overzealous cleaning, and chemical irritation from hair treatment products.

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