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Ear Infections in Dogs

January 9, 2026

Has your canine companion been scratching their ears more than usual, shaking their head, or showing signs of discomfort? At Marriottsville Animal Hospital, your trusted Marriottsville veterinary clinic, we see that dog ear infections are a common issue that can cause significant discomfort if left untreated. Dogs are prone to ear infections because of the unique anatomy of their ear canals, which vary in shape and size depending on the breed.

Regular checkups at our Marriottsville veterinary clinic and attentive canine ear care at home can prevent infections and ensure your pup’s ears remain healthy. Recognizing early dog ear infection symptoms is key to avoiding more serious complications.

Understanding Ear Infections in Dogs

Ear infections occur when bacteria, yeast, or other pathogens overgrow in the ear canal. Moisture, allergies, foreign objects, and wax buildup can create an environment conducive to infection. Breeds with floppy ears, such as Cocker Spaniels or Basset Hounds, are especially susceptible due to reduced airflow in the ear canal.

Ear infections are typically divided into two types:

  • Otitis externa: Infection in the outer ear canal
  • Otitis media/interna: Infection that spreads to middle or inner ear (less common but more serious)

Prompt evaluation by a veterinarian is essential to determine the type and severity of the infection.

Common Symptoms of Ear Infections in Dogs

Not all dogs show the same signs, but some common dog ear infection symptoms include:

  • Frequent scratching or pawing at the ears
  • Head shaking or tilting
  • Red, inflamed, or swollen ear canals
  • Unpleasant odor from the ear
  • Discharge that may be brown, yellow, or bloody
  • Scabs, crusts, or hair loss around the ear

Behavioral changes, such as irritability or reduced appetite, can also occur when discomfort is severe. Recognizing these symptoms early helps prevent chronic or recurring infections.

Causes of Ear Infections

Several factors contribute to ear infections in dogs:

  • Allergies: Food or environmental allergens can cause inflammation and secondary infections.
  • Moisture: Frequent swimming, bathing, or humidity creates a breeding ground for bacteria and yeast.
  • Ear anatomy: Dogs with long, floppy ears or narrow canals are at higher risk.
  • Foreign objects: Grass seeds, dirt, or debris can irritate the ear canal.
  • Underlying medical conditions: Hypothyroidism, autoimmune diseases, or hormonal imbalances may contribute to recurring infections.

Understanding the underlying cause is essential for effective treatment and prevention.

Diagnosing Ear Infections

During an exam at Marriottsville Animal Hospital, your vet can evaluate your dog’s ears. This may include:

  • Visual inspection of the ear canal and ear flap
  • Otoscopic exam to view the canal and eardrum
  • Microscopic analysis of swabs to identify bacteria or yeast
  • Culture testing for chronic or resistant infections
  • Assessment of underlying allergies or health issues

Accurate diagnosis ensures your dog receives the appropriate ear infection treatment for long-term relief.

Treatment Options for Dog Ear Infections

Treatment depends on the severity and cause of the infection. Options may include:

  • Cleaning: Professional ear cleaning to remove debris, wax, and discharge
  • Topical medications: Antibiotic or antifungal ear drops for bacterial or yeast infections
  • Oral medications: Antibiotics, antifungals, or anti-inflammatories for severe cases
  • Addressing underlying causes: Allergy management, moisture prevention, or dietary adjustments

Following your veterinarian’s instructions carefully is crucial to resolve the infection fully and prevent recurrence.

Preventing Ear Infections in Dogs

Effective canine ear care can reduce the risk of future infections. Some prevention strategies include:

  • Regular ear inspections: Check ears weekly for redness, odor, or discharge
  • Routine cleaning: Clean ears as recommended by your veterinarian, especially in breeds prone to infections
  • Proper drying: After baths or swimming, ensure ears are fully dry to reduce moisture buildup
  • Allergy management: Identify and manage food or environmental allergies
  • Avoid foreign objects: Keep your dog away from tall grass or debris that could enter the ears

Consistent home care combined with routine veterinary visits provides the best protection against chronic ear infections.

Home Care Tips for Dogs with Ear Sensitivity

  • Use only veterinarian-approved ear cleaning solutions
  • Avoid inserting cotton swabs deep into the ear canal
  • Monitor your dog’s behavior for signs of discomfort or irritation
  • Provide a calm environment when administering treatments
  • Maintain regular grooming to prevent hair buildup in the ear canal

These habits not only prevent infections but also support your dog’s overall comfort and well-being.

Petco has a piece on canine ear infections here. PetMD also writes about canine ear infections in this piece.

FAQ About Dog Ear Infections

How long does it take for an ear infection to heal?

Most mild infections respond within 1–2 weeks of treatment. Chronic or severe infections may require longer therapy and follow-up visits.

Can ear infections become serious if untreated?

Yes. Untreated infections can lead to hearing loss, spread to the middle or inner ear, or cause chronic inflammation.

How can I tell if my dog has a yeast infection in the ear?

Yeast infections often produce a brown, waxy discharge and a strong, musty odor. Dogs may scratch excessively and shake their head frequently.

Are certain breeds more prone to ear infections?

Yes. Breeds with long, floppy ears (like Basset Hounds and Cocker Spaniels) or narrow ear canals (like German Shepherds) are more susceptible.

Should I clean my dog’s ears at home?

Regular ear cleaning is recommended, but always use veterinarian-approved solutions and techniques. Avoid deep cleaning or using cotton swabs, which can cause damage.

Visit Our Marriottsville Veterinary Clinic for Ear Health

Caring for your dog’s ears is essential for comfort, health, and overall happiness. At Marriottsville Animal Hospital, our Marriottsville veterinarians provide comprehensive canine ear care, early diagnosis, and effective ear infection treatment for dogs. Are you searching for a “vet near me” in Marriottsville? Schedule an appointment today and keep your pup’s ears healthy and infection-free.

This blog is meant to be informational only. Always consult with your veterinarian for the right medical advice, diagnosis, or treatment plan for your dog and follow their guidance.

To find out more about our animal hospital and the services we offer, drop by our main Services page here. You may also want to find out about our Critical Care options here, or our Exotic pet care here.

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