Pet Health

Dog Ear Infection: Symptoms, Causes & Treatment

Learn about dog ear infections: discover common symptoms, potential causes, and effective treatment options to keep your furry friend's ears healthy and happy.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
A veterinarian examining a dog's ear for signs of infection, highlighting symptoms and treatment options.

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Is your dog shaking their head more than usual, scratching at their ears, or acting unusually irritable? These could be signs of an ear infection—a common but uncomfortable issue for dogs. As a pet parent, it's natural to feel worried, but with the right knowledge and care, you can help your furry friend feel better quickly. Let's dive into the symptoms, causes, and treatment options for dog ear infections so you can take the best steps for your pup.

⚠️ What to Watch For

Dog ear infections can range from mild to severe, and catching them early makes a big difference in treatment. Here are the most common symptoms to look out for:

  • Frequent head shaking or tilting
  • Scratching or pawing at the ears
  • Redness or swelling in the ear canal
  • Strong odor coming from the ears
  • Dark discharge (brown, yellow, or black)
  • Sensitivity or pain when touching the ears
  • Loss of balance or unusual walking patterns (in severe cases)

If you notice one or more of these symptoms, your dog might be dealing with an ear infection. While mild cases may improve with simple care, severe infections require veterinary attention to prevent complications.

🔍 Possible Causes

Understanding the root cause of your dog’s ear infection can help you prevent future issues. Here are some common culprits:

  • Allergies: Food or environmental allergies can cause inflammation in the ears, leading to infections.
  • Moisture: Water trapped in the ears after swimming or bathing creates a breeding ground for bacteria and yeast.
  • Ear mites: These tiny parasites irritate the ear canal and are particularly common in puppies.
  • Excessive wax buildup: A buildup of earwax can trap debris and bacteria, leading to infection.
  • Underlying health conditions: Issues like hypothyroidism or autoimmune diseases can make dogs more prone to infections.
  • Foreign objects: Grass seeds, dirt, or other debris stuck in the ear canal can cause irritation and infection.

Breeds with floppy ears, like Cocker Spaniels and Basset Hounds, are especially prone to ear infections because their ear structure traps moisture and debris. Regular ear care is crucial for these dogs.

✅ What You Can Do at Home

If you suspect your dog has a mild ear infection, there are steps you can take at home to provide relief. However, always consult a vet if symptoms persist or worsen.

  • Clean the ears: Use a vet-recommended ear cleaner and follow the instructions carefully. Avoid using cotton swabs, as they can push debris further into the ear canal.
  • Keep the ears dry: After bathing or swimming, gently dry your dog’s ears with a soft cloth to prevent moisture buildup.
  • Monitor symptoms: Keep an eye on your dog’s behavior and check for improvements. If symptoms persist after a few days, it’s time to see a vet.

It's important to avoid using over-the-counter ear drops or home remedies without veterinary guidance, as these can sometimes worsen the infection or cause further irritation.

💡 When to Call a Vet

Some ear infections require professional treatment, especially if they’re severe or recurring. Call your vet if you notice any of the following:

  • Persistent symptoms despite home care
  • Severe redness, swelling, or pain
  • Foul-smelling discharge from the ears
  • Loss of balance or signs of hearing issues
  • Frequent recurrence of ear infections

A veterinarian will perform a thorough examination, which may include looking into the ear canal with an otoscope and taking a sample of ear discharge for testing. Treatment often involves prescription ear drops, antibiotics, or antifungal medications, depending on the type of infection.

In chronic or severe cases, your vet may recommend additional tests to identify underlying issues, such as allergies or hormonal imbalances, that could be contributing to the problem.

FAQs

Q: How can I prevent ear infections in my dog?
A: Regular ear cleaning, especially after swimming or bathing, is key. Use a vet-approved ear cleaner and check your dog’s ears frequently for redness, discharge, or odor. For dogs prone to allergies, managing their triggers can also help prevent infections.

Q: Can I use human ear drops on my dog?
A: No, human ear drops are not safe for dogs and can cause irritation or worsen the infection. Always use medications prescribed by your veterinarian.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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