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What can lead to ear infections in children?

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For children, the most common trigger of an ear infection is an upper respiratory viral infection, such as a cold or the flu. These disorders can make the Eustachian tube so swollen that air can't flow into the middle ear. Allergies -- to pollen, dust, animal dander, or food -- can have the same effect, as can smoke, fumes, and other environmental toxins.

SOURCES:
American Academy of Otolaryngology - Head and Neck Surgery. 

Academy of American Family Physicians. 

Merck. 

National Institute on Deafness and Other Communication Disorders.

Reviewed by Dan Brennan on March 23, 2019

SOURCES:
American Academy of Otolaryngology - Head and Neck Surgery. 

Academy of American Family Physicians. 

Merck. 

National Institute on Deafness and Other Communication Disorders.

Reviewed by Dan Brennan on March 23, 2019

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Is there a vaccine that can prevent ear infections?

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