Look for frequent head shaking
Check for repeated scratching at the ears
Inspect for dark, crumbly debris in the ear canal
Notice redness or irritation inside the ears
Watch for a strong odor coming from the ears
See if the cat tilts its head often
Check for sensitivity when the ears are touched
Use a flashlight to look for tiny moving white specks
Compare both ears for signs of inflammation
Have a veterinarian confirm with an ear swab or microscope exam