Dr. Brian Lee, an ear, nose, and throat (ENT) specialist at Scottsdale Sinus & Allergy Center, said that sinus inflammation can impact the Eustachian tube, leading to symptoms such as ear pressure, tinnitus, and dizziness. This statement was made on Instagram.
“The tube that connects from your middle ear space actually starts in the back of your nose,” said Brian Lee, ENT Specialist, according to Instagram. “When that tube is swollen because of allergies or sinus disease… it isn’t functioning to open and close appropriately. This can cause ear symptoms such as fullness, clogged sensation, muffled hearing, tinnitus. Even imbalance and dizziness can result from poor drainage and pressure regulation.”
According to Johns Hopkins Medicine, sinusitis or inflammation of the sinus cavities can affect the Eustachian tube due to their close anatomical relationship and shared mucosal lining. Inflammation from sinus infections, allergies, or irritants can extend to the nasopharyngeal opening of the Eustachian tube, causing swelling that interferes with its function. This disruption prevents normal airflow and drainage, leading to pressure imbalances and symptoms associated with Eustachian tube dysfunction.
Studies indicate a strong association between chronic or recurrent sinusitis and middle ear dysfunction. Research published in the National Library of Medicine reported that up to 69.1% of children with chronic sinusitis exhibited signs of Eustachian tube dysfunction. Adults with chronic rhinosinusitis also report symptoms like ear fullness, tinnitus, and autophony, particularly when conditions like allergic rhinitis or nasal polyps are present.
According to the Egyptian Journal of Otolaryngology, Eustachian tube dysfunction related to sinus inflammation can also affect balance due to its impact on middle ear pressure and fluid retention. These changes may influence the vestibular system, causing symptoms like dizziness or imbalance. Imaging often shows mucosal thickening near the tube opening in affected individuals, and treatment of the sinus condition can relieve associated ear and balance symptoms.
Lee is a board-certified ENT specialist. He graduated from Loma Linda School of Medicine, and completed his internship and residency at the University of Southern California. As the founder of Scottsdale Sinus & Allergy Center, he provides advanced care for conditions like chronic sinusitis and Eustachian tube dysfunction using image-guided technology and personalized care strategies.


