Ear infections occur when:

Question

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Ear infections most commonly occur when the eustachian tube becomes swollen, which can lead to fluid buildup in the middle ear and create a breeding ground for bacteria or viruses. This can result in inflammation and pain in the ear. Damage to the tympanic membrane (ear drum) or immobility of the ossicles (small bones in the middle ear) can also lead to ear infections, but these are less common causes. Destruction of the stereocilia (tiny hair-like structures in the inner ear) can lead to hearing loss, but is not typically associated with ear infections.

Ear Infections Occur When