The Eustachian tube is a canal that connects the nose and throat with the middle ear. Its task is to balance the middle ear pressure with the external environment pressure.
Eustachian tube dysfunction, upper respiratory tract infections, allergic rhinitis, sinusitis, nasal bone curvature, nasal concha enlargement, adenoids in children, sudden pressure changes, sudden pressure changes such as getting on a plane, going up, diving, surgical trauma or nasal passages. It occurs due to tumors and masses in the region. Sometimes, eustachian tube dysfunction can be seen due to anatomical structural features without any reason.