Infections and blockages can disrupt the eustachian tubes, leading to discomfort and hearing problems. Any of these symptoms can count as eustachian tube dysfunction (ETD). The eustachian tube runs ...

Patulous eustachian tube (PET) occurs when the eustachian tube, which connects the middle ear to the back of the throat, stays open. Though rare, it is not a serious medical condition. It does, ...