Good Afternoon,The Eustachian tube can be blocked, or obstructed, for a variety of reasons; the most common is an URI. Sinus infections and allergies may also cause swelling of the tissues of the Eustachian Tube. Simply put - a stuffy nose leads to stuffy ears.
An inner ear problem may cause a person to be very ill and of course with illness comes anxiety. I have had problems with the Eustachian tube for years and the anxiety always come after I start to feel ill.
I hope this helps you in some small way.
Kindly,
Kitt