Eustachian tube dysfunction (ETD) is the failure of the Eustachian tube (a passage that leads to your middle ear) to open and/or close properly. The Eustachian tube may be narrowed or clogged.
Eustachian tube dysfunction (ETD) is the failure of the Eustachian tube (a passage that leads to your middle ear) to open and/or close properly. The Eustachian tube may be narrowed or clogged.