If you’re sick and suddenly notice ringing, buzzing, or humming in your ears, you’re not alone. Ear ringing, known medically as tinnitus, is a common symptom during respiratory illnesses, including colds, flu, sinus infections, and other viral infections. While it can be alarming, ear ringing during illness is often temporary and linked to inflammation, pressure changes, or congestion in the ear and sinus passages. Understanding why tinnitus occurs when you’re sick can ...