If you’re feeling a ringing in your ears and dizziness, the causes could range from dehydration to vertigo to Meniere’s disease. Learn more. Schedule Now What Is Tinnitus? A ringing, buzzing, or hissing noise in the ears when no outside sounds are happening is called tinnitus. It’s often a symptom of various conditions but can occur due to exposure to loud noise, earwax accumulation, or age-related hearing loss. American Academy of Otolaryngology-Head and ...