What should I check if my dog's ear canal looks blocked with wax? | arlo.® Atlas
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Overview
If your dog's ear canal looks blocked with wax, it's often down to a build-up of normal ear debris, but it can also happen alongside irritation, moisture, infection or something sitting deeper in the ear. You can check a few simple things at home, but you can't tell the full cause just by looking.
Things To Check
1. Check whether only one ear looks affected or whether both ears seem waxy, as that can give you a clue about whether it's a local issue or part of a wider pattern.
2. Look closely for redness, swelling, heat, discharge, scabs or a bad smell around the ear opening.
3. Notice whether your dog is scratching, head shaking, holding the ear down or reacting when you touch the area.
4. See if the ear canal itself looks partly blocked by brown, yellow or grey wax, or if it seems more like damp debris or dirt.
5. Think about whether the issue started after swimming, bathing, grooming or a walk in wet or muddy conditions.
6. Check for any visible hair, plant material, a tick or other debris near the entrance of the ear.
7. Notice if your dog’s hearing or response to sound seems different, especially if the ear looks very swollen or uncomfortable.
Common Causes
The most common reason is a simple build-up of ear wax and natural skin debris. Some dogs just produce more wax than others, especially if they have narrow ear canals, lots of ear hair or floppy ears.
Irritation from moisture, swimming or frequent washing can also make wax and debris collect more easily. Allergies, ear mites, bacterial or yeast overgrowth, and a trapped foreign body can cause the ear to look blocked too.
Less commonly, a growth or swelling inside the ear canal may make it appear closed off. You can't tell the difference reliably at home, which is why persistent or uncomfortable ears need a proper check.
What To Do
Do not push anything into the ear canal, including cotton buds. That can make things worse or pack debris further in.
If the ear is only mildly waxy and your dog seems otherwise comfortable, keep an eye on it for changes and note whether the wax is building up again. You can gently wipe only the outside of the ear with a soft, dry pad if needed.
Keep the ear as dry as you reasonably can after bathing or swimming, and avoid using home remedies or ear drops unless they have been recommended for your dog.
If the wax build-up keeps coming back, smells unpleasant, or your dog seems bothered, arrange a vet check so the ear can be examined properly.
Products That May Help
For dogs that need regular grooming or ear-area cleaning as part of their routine, the Pet Care collection may be useful alongside sensible home monitoring. It can help you keep to a simple care routine without overhandling the ear.
Related Questions
How can I tell if my dog’s ear wax is normal or a problem?
Should I clean my dog’s ears if they look waxy?
Why does my dog keep getting wax build-up in one ear?
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.