How to Tell If Your Dog Has an Ear Infection

Angela Vuckovic
by Angela Vuckovic
moonmovie/Shutterstock

Ear infections are common in dogs and can cause significant discomfort if left untreated. Knowing the signs early can help prevent complications and ensure your pet gets the care it needs. Here’s everything you need to know about recognizing, treating, and preventing ear infections in dogs.


Signs of an Ear Infection in Dogs


Dogs with ear infections often display clear symptoms. If you notice any of these signs, it’s important to act quickly:


  • Frequent Scratching & Head Shaking: Excessive scratching at the ears or frequent head shaking can indicate irritation or pain.
  • Redness & Swelling: Healthy dog ears should be light pink and free of inflammation. If the inner ear appears red, swollen, or warm to the touch, it may be infected.
  • Foul Odor: A musty, yeasty, or foul smell from the ears is a strong indicator of an infection caused by bacteria or yeast overgrowth.
  • Unusual Discharge: Thick, dark discharge (yellow, brown, or greenish) often signals an infection. Be mindful, however, that some dogs naturally produce more earwax than others.
  • Pain & Sensitivity: If your dog whimpers, pulls away, or reacts negatively when you touch its ears, it could be experiencing discomfort from an infection.
  • Hearing & Balance Issues: In severe cases, an untreated ear infection can affect a dog’s hearing and balance. Signs include disorientation, head tilting, or difficulty standing.


Common Causes of Dog Ear Infections


Several factors can contribute to ear infections in dogs:


  • Bacteria & Yeast Overgrowth: Moist, warm environments inside a dog’s ears create the perfect conditions for bacteria and yeast to thrive, especially in floppy-eared breeds.
  • Allergies: Dogs with food or environmental allergies are more prone to chronic ear infections due to inflammation.
  • Ear Mites: These tiny parasites are a common cause of infections, particularly in puppies.
  • Moisture & Poor Hygiene: Water trapped in the ears after swimming or bathing can promote bacterial growth. Regular cleaning is essential.
  • Foreign Objects & Debris: Grass seeds, dirt, and other debris can get stuck in a dog’s ear canal, leading to irritation and infection.

Preventing Ear Infections in Dogs


Prevention is key to keeping your dog’s ears healthy. Here are some simple steps you can take:

  • Regular Ear Cleaning: Use a vet-approved ear cleaner to remove excess wax and debris. Avoid using cotton swabs deep in the ear canal.
  • Keep Ears Dry: After baths or swimming, gently dry your dog’s ears to prevent moisture buildup.
  • Manage Allergies: If your dog is prone to allergies, work with your vet to manage symptoms and reduce the risk of recurring infections.
  • Trim Excess Ear Hair: For dogs with long or floppy ears, regular trimming around the ear canal can improve airflow and prevent debris buildup.

When to See a Veterinarian


If you notice any signs of an ear infection, consult a veterinarian as soon as possible. Left untreated, infections can worsen, leading to chronic issues or even hearing loss. Your vet can properly diagnose the infection and recommend treatment, which may include cleaning solutions, medicated drops, or antibiotics.


By staying vigilant and proactive, you can help keep your dog comfortable and free from ear infections. Regular care and quick action will ensure your pet’s ears stay healthy and happy!

Angela Vuckovic
Angela Vuckovic

A proud mama to seven dogs and ten cats, Angela spends her days writing for her fellow pet parents and pampering her furballs, all of whom are rescues. When she's not gushing over her adorable cats or playing with her dogs, she can be found curled up with a good fantasy book.

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