During the autumn season, upper respiratory infections are often experienced, which can affect not only the nose and throat but also the health of the ears. Eustachian tube dysfunction, also known as Eustachian tube inflammation, is a common consequence of these infections. This condition mainly affects the ventilation of the middle ear, which is connected to the nasal cavity through the Eustachian tube. When inflammation occurs in the respiratory tract, the Eustachian tube can become blocked, leading to pressure in the tympanic cavity. Increased mucus production can also contribute to the development of Eustachian tube dysfunction, which obstructs the opening of the Eustachian tube. This is a common problem for…