What should I check if my dog has one dirty ear and the other looks normal? | arlo.® Atlas
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Overview
If one ear looks dirty and the other looks normal, it’s often something simple like wax build-up, trapped dirt, or a bit of irritation in that ear only. It can also happen if your dog has been scratching, swimming, grooming, or shaking their head more on one side, so it’s worth checking both the ear itself and what’s been going on around it.
Things To Check
1. Check whether your dog has been swimming, rolling in grass, or getting dirty on walks, as one ear can pick up more debris than the other.
2. Look closely for redness, swelling, heat, scabs, discharge, or a bad smell around the ear opening.
3. Notice if your dog is scratching that ear, tilting their head, shaking it, or reacting when you touch it.
4. Gently lift the ear flap and see whether the dirt is just on the outer surface or deeper in the ear canal.
5. Check for a grass seed, bit of mud, dried discharge, or any small object that could be sitting near the entrance of the ear.
6. Compare both ears for waxiness, hair loss, crusting, or changes in skin colour.
7. Think about whether your dog has had recent grooming, clipping, bathing, or ear cleaning, as this can sometimes disturb the ear or leave residue behind.
Common Causes
The most common reason is ordinary wax or dirt collecting unevenly in one ear. A bit of debris can also stick after walks, play, or swimming.
Sometimes the ear looks dirty because there’s mild irritation, which may cause extra wax, head shaking, or scratching. Allergies, yeast overgrowth, or an early ear infection can also make one ear look different from the other.
Less commonly, a foreign body such as a grass seed or a trapped bit of debris may be the reason, especially if the ear seems sore or your dog keeps fussing with it.
What To Do
If your dog seems comfortable and the ear is only lightly dirty on the outside, keep an eye on it and note whether it changes over the next day or two. You can gently check the outer ear with a clean damp cloth if needed, but don’t push anything into the ear canal.
Keep an eye out for smell, discharge, redness, repeated scratching, head shaking, or signs the ear is painful. If the dirt keeps coming back, or the ear starts looking more irritated, it’s sensible to arrange a vet check.
If your dog swims or gets muddy often, regular drying and routine ear checks can help you spot changes earlier and keep on top of simple hygiene.
Products That May Help
For dogs with recurring ear dirt, coat debris, or routine grooming needs, a general pet care collection may be useful as part of keeping clean-up simple and consistent.
Related Questions
Why does my dog keep getting dirty ears?
Should I clean my dog’s ear if it only looks dirty on the outside?
When does a dirty ear mean an ear infection in dogs?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.