Eustachian Tube Dysfunction Causes
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Causes of Eustachian Tube Dysfunction
The ear may feel blocked if the pressure outside the ear changes, but the pressure inside the ear does not change. When this happens, the eardrum cannot vibrate normally. It often occurs during altitude changes, like flying in an airplane, driving on steep hills, or scuba diving. Swallowing, yawning, or chewing usually make the symptoms go away.
ETD occurs if the tube is blocked or swollen, trapping air and fluids in the middle ear. This causes symptoms to continue beyond a few hours. Sometimes it can lead to ear damage.
Causes include:
- Nasal congestion from an Allergic Rhinitis
- Common Cold other upper respiratory infection
- Middle Ear Infection or Sinusitis
- Narrow eustachian tube
- Adenoid tissue blocking eustachian tube (in children)
- Tumors (in adults)
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