What should I check if my dog keeps getting dirty ears?
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Overview
If your dog keeps getting dirty ears, the first things to check are wax build-up, moisture, irritation and whether the ears are being affected by grooming, swimming or outdoor muck. It’s often something simple, but dirty ears can also be a sign that the ear canal needs a closer look.
Things To Check
1. Check whether the dirt looks like dry wax, dark debris, greasy build-up or wet discharge, as this can give you a clue about what’s going on.
2. Look for redness, swelling, heat, scabs or broken skin around the ear flap and just inside the ear opening.
3. Notice whether your dog is shaking their head, scratching at the ears or rubbing their face more than usual.
4. Smell the ears gently. A stronger odour can sometimes go with trapped moisture, wax build-up or irritation.
5. Check whether the problem is worse after walks, swimming, bathing, grooming or time in muddy or dusty places.
6. See if one ear is affected more than the other, as that can help you spot whether there’s a local issue rather than a general grooming problem.
7. Think about coat type and ear shape. Dogs with floppy ears, hairy ear canals or a lot of hair around the ears can sometimes trap more dirt and wax.
Common Causes
The most common reason is ordinary wax build-up, which can make ears look dirty even when there isn’t a bigger problem.
Moisture from swimming, bathing or damp weather can also trap debris and make the ears seem grimy.
Some dogs build up dirt more quickly because of their coat type, ear shape or how much hair grows around the ear.
Skin irritation, allergies or an ear infection can also lead to more wax, debris or odour, even if the ears only look mildly dirty at first.
Less commonly, a foreign body such as grass seed or a painful ear problem may be involved, especially if the issue is mainly on one side.
What To Do
Start by keeping a simple note of when the ears look dirtier, what they look like and whether there’s any smell, scratching or head shaking.
After bathing, swimming or muddy walks, gently dry the outside of the ears with a soft towel. Don’t put anything deep into the ear canal unless you’ve been shown how to do it safely.
If your dog’s ears usually collect a lot of wax, ask your vet what a sensible cleaning routine looks like for your dog, especially if this keeps happening.
Try to avoid cotton buds, harsh wipes or anything scented, as these can irritate the ear rather than help it.
If the ears seem dirty after grooming, it may help to check whether hair trimming, bathing products or drying routines need adjusting.
If the problem keeps coming back, is getting worse or comes with discomfort, it’s worth getting the ears checked rather than just cleaning them more often.
Related Questions
Should I clean my dog’s ears if they look dirty but aren’t bothering them?
How often should a dog’s ears be checked at home?
Why does my dog’s ear smell waxy or musty?
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.