What Causes Itchy Ears in Dogs?
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There are several common causes of itchy ears, and some dogs may have more than one issue at the same time.
1. Allergies
Allergies are one of the most common reasons dogs develop recurring itchy ears.
Dogs can react to environmental allergens such as:
- Grass pollen
- Tree pollen
- Dust mites
- Mould spores
- Flea bites
Some dogs may also have food-related allergies.
Unlike people, who often develop sneezing or watery eyes, dogs frequently show allergies through their skin, paws and ears.
If your dog has itchy ears as well as paw licking, face rubbing or itchy skin elsewhere, allergies may be worth discussing with your vet.
2. Ear Wax Build-Up
A small amount of wax is normal and helps protect the ear canal.
However, some dogs naturally produce more wax than others.
When wax builds up, it can trap dirt and debris and cause irritation.
You may notice:
- Brown or sticky wax
- Mild odour
- Head shaking
- Scratching around the ears
Dogs with floppy ears or hairy ear canals can be particularly prone to wax build-up.
3. Yeast Overgrowth
Yeast naturally lives on a dog’s skin, but under the right conditions it can multiply excessively.
Warm, moist ears provide an ideal environment.
Signs that may be associated with yeast include:
- Dark brown wax or discharge
- Strong or musty smell
- Redness
- Persistent itching
- Head shaking
A vet can examine the ear and determine whether yeast is actually present.
4. Bacterial Ear Infections
Bacterial infections can also cause itchy, painful ears.
Signs may include:
- Redness
- Swelling
- Yellow or green discharge
- Strong unpleasant smell
- Pain when the ear is touched
- Persistent head shaking
These symptoms should be checked by a vet because an infected ear may require prescription treatment.
5. Ear Mites
Ear mites are another possible cause of intense itching.
They are more common in puppies and younger dogs but can affect dogs of any age.
A typical sign can be very dark, dry debris that resembles coffee grounds.
However, several ear problems can look similar, so a vet should confirm the diagnosis.
6. Grass Seeds and Foreign Bodies
Grass seeds can work their way into a dog’s ear canal during walks, particularly in late spring and summer.
You may notice:
- Sudden vigorous head shaking
- Scratching at one ear
- Holding one ear differently
- Signs starting immediately after a walk
If you suspect a grass seed or other object is inside the ear, do not try to remove it from deep within the canal yourself.
Contact your vet.
7. Moisture After Swimming or Bathing
Moisture trapped around the ear canal can cause irritation and may contribute to conditions that encourage microbial overgrowth.
This is especially common in dogs that swim regularly or have floppy ears.
After swimming or bathing, gently dry the visible outer ear.
Which Dogs Are More Prone to Itchy Ears?
Some dogs are naturally more prone to ear problems because of their anatomy, coat type or skin health.
This can include dogs with:
- Long or floppy ears
- Hairy ear canals
- Narrow ear canals
- Allergies
- Regular swimming habits
- A history of recurring ear trouble
Breeds such as Cocker Spaniels, Basset Hounds, Labradors and Poodles can be particularly prone to ear issues.
Natural Ways to Support Itchy Dog Ears
If your dog’s ears are mildly itchy or waxy but otherwise healthy, there are several simple steps you can take at home.
Keep the Ears Clean
Regularly check your dog’s ears for wax, debris or changes in smell.
Avoid over-cleaning, as this can irritate the ear canal.
Only clean when needed and use a product designed specifically for dogs.
Dry Ears After Swimming
If your dog enjoys swimming, gently dry the outer ear afterwards.
Keeping the ears dry can help reduce irritation.
Wipe Your Dog After Walks
For dogs with seasonal allergies, wiping the face, paws and outer ears after walks can help remove pollen and grass residue.
Keep Bedding Clean
Wash your dog’s bedding regularly to reduce build-up of pollen, dust and other environmental allergens.
Stay on Top of Flea Control
Flea bites can contribute to allergic itching.
Speak to your vet about suitable parasite prevention if you’re unsure what to use.
Can Ear Stuff Help With Itchy Ears?
For dogs with mild wax build-up, dry skin or sensitive ears, Stinky Stuff Ear Stuff can be used as part of a regular ear-care routine.
Ear Stuff is an oil-based formula containing:
- Black seed oil
- Olive oil
- Coconut oil
The oils help soften wax and debris while conditioning the skin around the ear.
Because only a small amount is needed, it can also be easier to use with dogs that dislike having large amounts of liquid poured into their ears.
Shop Ear Stuff – Natural Dog Ear Drops
Ear Stuff is intended for routine ear care and mild irritation. It should not be used as a substitute for veterinary treatment where infection or significant inflammation is present.
How to Use Ear Stuff
Follow the product directions and apply a small amount into the ear.
Gently massage the base of the ear to distribute the oil.
Allow your dog to shake their head naturally.
Then wipe away any visible loosened wax or debris from the outer ear with a clean cotton pad or soft cloth.
Never insert cotton buds into the ear canal.
When Should I Take My Dog to the Vet?
Speak to your vet if your dog has:
- Severe or persistent itching
- Significant redness
- Swelling
- Pain when the ear is touched
- Yellow, green or bloody discharge
- Strong unpleasant odour
- A head tilt
- Balance problems
- Repeated ear infections
- Sudden severe symptoms
Recurring ear problems often have an underlying cause, so repeatedly cleaning the ears without investigating why the problem keeps returning may only provide temporary relief.
Can Diet Affect Itchy Ears?
Sometimes.
Food allergies can cause skin and ear problems in some dogs, although environmental allergies are also very common.
If your vet suspects a food allergy, they may recommend a properly controlled elimination diet rather than simply changing foods repeatedly.
For general skin and coat support, essential fatty acids can also form part of a balanced diet.
How Can I Prevent Itchy Ears?
You may not be able to prevent every ear problem, but a good routine can help.
Try to:
- Check your dog’s ears regularly
- Clean only when needed
- Dry ears after swimming
- Wipe pollen away after walks
- Keep bedding clean
- Maintain effective flea control
- Avoid putting cotton buds into the ear canal
- Speak to your vet if symptoms keep returning
The Bottom Line
Itchy ears in dogs can be caused by allergies, wax build-up, yeast, bacteria, mites, moisture or foreign bodies.
Mild waxy or sensitive ears may benefit from gentle routine care, but persistent itching, smell, discharge, pain or redness should always be investigated properly.
For dogs with mild wax build-up or sensitive ears, Ear Stuff can be used as part of an everyday ear-care routine.
You can also read our Dog Ear Wax Removal Guide for more advice on cleaning your dog’s ears safely.