When the tubes are narrowed or blocked, fluid can accumulate in the middle ear and become infected. It’s more common in children than in adults.Įustachian tube dysfunction can contribute to the development of acute otitis media. Acute otitis mediaĪcute otitis media is an infection in your middle ear. changes in pressure, for example when diving or climbingĮach of these can affect the functioning of the Eustachian tubes, for instance through inflammation or physical blockage of the tube.irritants in the air, such as cigarette smoke or pollution.an upper respiratory tract infection, such as the common cold.There are several possible causes of Eustachian tube dysfunction. a feeling of fullness or congestion in your ear.Other symptoms of this condition may include: This can lead to a crackling or popping sound in your ear. You may have also felt them opening when you pop your ears while on a plane.Įustachian tube dysfunction happens when your Eustachian tubes don’t open or close properly. They open when you do things like yawn, chew, or swallow. Typically, your Eustachian tubes are closed. keeping the pressure in your middle ear the same as the pressure in your surrounding environment.You have one in each ear.Įustachian tubes have several functions, including: Your Eustachian tube is a small, narrow tube that connects the middle part of your ear to the back of your nose and upper throat. Several conditions may lead to a crackling sound in the ears.
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