Ear congestion refers to a feeling of fullness ... This occurs when the air pressure outside the ear is different to the air pressure inside the eustachian tubes. The eustachian tubes are narrow ...

Common causes of blocked Eustachian tubes include illnesses (such as colds) that cause nasal or sinus congestion, environmental allergies, pressure changes (such as in an airplane), and ear ...

Dry cabin air can cause nasal and throat congestion, making it harder for ... or perform other natural movements that help regulate ear pressure. Try to stay awake during these critical times ...