Articles tagged: middle ear infection causes 

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Middle Ear Infection- Causes, Symptoms and Diagnosis written by Corwin Brown

Normally the eardrum is airtight and watertight. To keep pressure inside and outside the eardrum equal, we have natural "drainage" tubes (the Eustachian tubes) that connect the middle ears (the space behind the eardrum) to the back of the nose and throat. Our ears always produce small amounts of fluid; this normally drains down the Eustachian tubes, and is usually in such a small amount that we don't even notice it in the throat

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