This is a common cause of acute morbidity but one in which the scientific literature is wanting.¹ In the setting of Upper Respiratory Tract Infection (URTI), with associated rhinosinusitis, otitis or not, the patient can present with a complaint of giddiness or a feeling of fullness in their ears. Pharyngeal or sinus swelling will be … Continue reading Eustachian Tube Dysfunction (ETD)