Why Are My Dog's Ears Red?

Written By Alex Olsson
Published: 07/24/2017Updated: 10/07/2024
Veterinary reviewed by Michele K.
Why Are My Dog's Ears Red?

Ear redness in dogs

Since dogs are always on the go and exploring their environments, their ears can be subjected to anything from harmless ear wax to more harmful dust, mites or more. Healthy ears are a vital part of their well-being, so noticing redness in their ears can be alarming as a pet parent. 

While ear redness can sometimes be a minor irritation, it could also indicate a more serious issue. Sometimes, all they’ll need is a good cleaning at home, while other times medication might be necessary.

Understanding the potential causes of red ears and how to address them is crucial for keeping your furry friend happy, healthy and active.

Let’s explore the most common reasons for ear redness in dogs, what it could be a symptom of, and how to treat and prevent the issue. 

Common causes of red ears in dogs

Ear infections

Ear infections are one of the most frequent reasons for ear redness in dogs. Bacterial or yeast infections often cause inflammation, resulting in redness and discomfort. Dogs with floppy ears, like Cocker Spaniels and Basset Hounds, are more prone to infections due to moisture trapped in the ear canal.

Common symptoms of an ear infection include:

  • Scratching or pawing at the ears
  • Red, swollen ear canal
  • Discharge or odor from the ear

Treatment: Ear infections are typically treated with prescription ear drops or oral antibiotics. Regular cleaning can help prevent infections, especially after swimming or bathing.

Allergies

Allergies, whether environmental (pollen, dust, mold) or food-related, can also cause your dog's ears to turn red. An allergic reaction may lead to itchy skin, rashes, and inflamed ear canals, making the ears appear red and irritated.

Treatment: Managing allergies may involve dietary changes, antihistamines, or allergy shots. If you suspect food allergies, work with your vet to identify potential triggers and adjust your dog's diet accordingly.

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Ear Mites

Ear mites are tiny parasites that live in the ear canal, causing intense itching, irritation, and redness. They’re more common in puppies, and can unfortunately spread quickly between animals. Other signs of ear mites include a dark discharge and excessive scratching around the ears.

Treatment: Ear mites are treated with medicated ear drops prescribed by your vet. Regular cleaning and treatment are also necessary to completely get rid of the mites.

Foreign Objects

Sometimes foreign objects like grass seeds or debris can get lodged in your dog’s ear, causing redness and inflammation. You might notice this since dogs tend to shake their head or scratch excessively when something is stuck in their ear canal.

Treatment: If you suspect a foreign object is in your dog’s ear, don’t try to remove it yourself. Visit your vet to ensure the object is safely extracted and the ear is properly cleaned.

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Ear hematomas

Ear hematomas happen when blood vessels in the ear burst, causing the ear flap to swell and turn red. This can happen from trauma, excessive shaking, or scratching due to another underlying condition. Hematomas can be painful for your dog, and may even require surgical intervention.

Treatment: A vet can drain the hematoma, and in some cases, surgery may be needed to prevent recurrence. Addressing the underlying cause, such as an infection or allergy, is important to avoid future hematomas.

How to treat red ears in dogs

So how can we as pet parents get rid of our dog’s red ears? Well, the treatment depends on the cause. 

If you notice that your dog is getting red ears and seems uncomfortable, the best thing to do first is to inspect the ear yourself. Sometimes, if there’s a foreign body present, you may be able to remove the irritant yourself. 

But — it’s important to remember that ears are extremely sensitive. Never stick a Q-tip down inside the canal in order to try to remove an object or excess fluid; this action can cause serious damage to the eardrum. 

If you notice that your dog needs to have his ears cleaned, you can either clean them at home, or go to the vet if the cleaning is deeper than you feel comfortable doing. 

There are a few very important steps to cleaning your dog’s ears at home:

  • Clean the ear with a gentle cleanser, as any infection will cause the area to be sensitive
  • Fill the canal with cleaning fluid 
  • Gently massage the base of the ear in order to move any debris that may be lodged inside
  • Allow the ear canal to dry for 10 minutes before using any medications provided by your vet 


Keep in mind that you should never use rubbing alcohol, hydrogen peroxide or Q-tips when cleaning your dog’s ears. The length of treatment will be determined based on the severity of your dog’s ear redness.

Be sure to schedule frequent checkups with your vet to ensure that the healing process is proceeding normally.

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Prevention tips

While some causes of red ears are unavoidable, there are steps you can take to minimize the risk:

  • Regular ear checks: Inspect your dog’s ears weekly for any signs of redness, odor, or discharge.
  • Routine cleaning: Clean your dog’s ears regularly with a vet-recommended cleaner to prevent buildup of wax and debris.
  • Dry ears after swimming: Always dry your dog’s ears thoroughly after swimming or bathing to reduce moisture buildup, which can lead to infections.
  • Monitor for allergies: Pay attention to potential allergens in your dog’s diet or environment and work with your vet to manage symptoms effectively.
  • Vet checkups: Regular vet visits ensure any issues are caught early before they become more serious.

When to see a vet

If your dog’s ears are red and itchy for more than a day or two, or if they show other concerning symptoms like pain, discharge, or an unpleasant odor, it’s time to consult your vet. Chronic ear problems can lead to more severe conditions, such as hearing loss or persistent infections, if left untreated.

How much does it cost to treat ear redness in dogs?

Treatment cost will vary depending on the cause of your dog’s red ears. For instance, if your dog is diagnosed with ear mites, the average cost of treatment is $250.

If your dog is diagnosed with ear infection due to allergies, the cost of treatment can range from $200 to $3,500 depending on the cost of living and the severity.

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Ears Turning Red Questions and Advice from Veterinary Professionals

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Shih Tzu

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Nine Years

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34 found this helpful

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34 found this helpful

My pet has the following symptoms:
Redness
My fur baby is shaking his head profusely and his ear is red and I see a faint trace of blood on the cotton swab...please help and recommend an over the counter medicine because going to the vet is NOT an option.

Sept. 29, 2020

Answered by Dr. Michele K. DVM

34 Recommendations

Thank you for your question. Unfortunately, there are no over-the-counter options for ear infections for dogs. Dogs can get ear infections because of yeast or bacteria, or parasites, and the bacteria is fairly specific to dogs. It needs to be treated with the proper antibiotic to get better. Having your dog seen by a veterinarian earlier rather than later will help prevent a painful ear infection, and make it so that you can resolve the problem more quickly. I hope that all goes well for your dog.

Sept. 29, 2020

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LabMix

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One Year

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15 found this helpful

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15 found this helpful

My pet has the following symptoms:
Red Ears
Could it just be red from scratching ?

Sept. 28, 2020

Answered by Dr. Michele K. DVM

15 Recommendations

Thank you for your question. Dogs with floppy ears are very prone to ear infections, and if you have noticed that your dog's ears are red and he is scratching, it is likely that he does have an infection of some type. They can get infections from bacterial or Yeast, or parasites, and the best thing to do would be to have him seen by a veterinarian, as they can look at his ears and see what might be causing this problem. They will be able to get medication for him to clear up that infection. I hope that all goes well for him.

Oct. 2, 2020

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