Dog Ear Infection Treatment & Prevention

Ear problems are common in dogs and can range from mild irritation to painful conditions that affect comfort and quality of life. Some dogs experience occasional ear issues, while others develop recurring problems that require ongoing care.

Recognizing the signs of ear infections can help prevent complications and keep your dog feeling their best. Your veterinarian can help identify the cause of the problem and determine which treatment option is best for your dog.

Treatment Options for Dog Ear Infections

Ear infection treatment for dogs depends on the underlying cause and severity as well as whether the infection involves the outer, middle or inner ear. Successful treatment usually involves both clearing the infection and addressing the underlying cause to help prevent the infection from recurring.

Professional Ear Cleaning in the Hospital

Veterinarians often begin treatment by removing wax, debris and discharge from the ear canal using a safe cleaning solution. Thorough cleaning helps medications reach the infected areas more effectively. In painful or severe cases, sedation may be needed for a full cleaning and examination.

At home, only use a veterinarian-recommended ear cleaner for dogs.

Medicated Ear Drops

Most ear infections require prescription ear medications that may contain:

• Antibiotics for bacterial infections  
• Antifungals for yeast infections  
• Anti-inflammatory medication to reduce swelling, redness, itching and pain

Treatment commonly lasts one to two weeks, although chronic infections may require longer therapy.

Oral Medications

Severe or deep infections may also require giving your dog a pill or other oral medications, such as:

• Antibiotics  
• Antifungal medications  
• Anti-inflammatory medications such as corticosteroids (prednisone) or other medications used to reduce pain and inflammation

These medications are more commonly used in dogs with middle or inner ear infections. Always make sure to consult your veterinarian before giving your dog any medication.

Addressing the Underlying Cause

If you’re wondering, “Do ear infections in dogs go away on their own?” the answer is no. Long-term control often requires treating the underlying cause of the ear problem, especially in dogs with recurring infections.

Treatment may include:

• Dietary changes or therapeutic diets  
• Allergy management or immunotherapy  
• Flea and parasite control  
• Treatment for endocrine disorders such as hypothyroidism  
• Environmental modifications

Dogs with allergies or dermatitis often benefit from a multimodal approach that includes nutrition, topical therapy and medical management. Diets enriched with essential fatty acids (EFAs), vitamins and zinc may help support the skin barrier and reduce inflammation over time.¹ Research suggests complete and balanced diets are a more reliable source of EFAs than supplements alone.²

Surgical Interventions

In severe chronic cases, surgery may be recommended. Procedures may include:

• Removal of the diseased ear canal, or total ear canal ablation (TECA)  
• Surgery to address disease deeper within the middle ear, or ventral bulla osteotomy (VBO)

Follow-Up Care

Even if your dog seems better, follow-up appointments are important to ensure the infection has fully resolved and to help prevent recurrence or long-term complications.

Recheck visits may include:

• Repeat ear examinations
• Ear cytology
• Medication adjustments

Administering all prescribed medications and attending recheck appointments are important parts of successful dog ear infection treatment.

Prevention of Dog Ear Problems

While not every ear infection can be prevented, regular ear care and management of underlying conditions can help reduce the risk of recurring problems.

Do Weekly Ear Checks

Check your dog’s ears regularly for:

• Redness or swelling  
• Discharge, debris or excess wax  
• Unusual odor  
• Crusting or irritation

Healthy ears should be pink, dry and odor-free.

Perform Proper Ear Cleaning

Routine ear cleaning may help reduce wax buildup and debris, but overcleaning can irritate the ear canal. Always make touching the ears a positive experience from puppyhood to adulthood, such as using treats or toys to keep your buddy calm.

To help keep your dog’s ears clean:

• Use only veterinarian-recommended ear cleaners for dogs, such as Vetoquinol Ear Cleansing Solution, Dechra MalAcetic Ultra or Virbac Epi-Otic. Make sure to consult with your veterinarian first for their advice regarding the best ear cleaner to use for your pal.  
• Follow your veterinarian’s recommended cleaning frequency; you can also ask them for advice on how to clean your dog’s ears.
• Never insert cotton buds or swabs into the ear canal.
• Avoid home remedies such as hydrogen peroxide, vinegar or alcohol.  
• Dry ears after swimming, bathing or getting wet, especially if your dog is prone to ear infections (moisture encourages yeast and bacteria to grow).

Manage Allergies and Underlying Conditions

Managing allergies and underlying health conditions can help reduce chronic inflammation and recurring infections.

Preventive care may include:

• Allergy management or therapeutic diets  
• Flea and parasite protection  
• Treatment for endocrine disorders  
• Environmental management  
• Hair removal from the ear canal, if recommended by your veterinarian

Consider Nutrition and Overall Health

A balanced diet supports skin health, immune function and the skin barrier, all of which play a role in ear health. Dogs with allergies or chronic skin disease may benefit from diets formulated with essential fatty acids, vitamins and minerals to help support healthy skin and reduce inflammation. Talk with your veterinarian about an appropriate diet for your dog.

How Your Veterinarian Can Help Treat Your Dog’s Ear Infection

Successful treatment of dog ear problems often involves more than relieving symptoms. Identifying the underlying cause allows your veterinarian to develop a treatment plan tailored to your individual dog. Your veterinarian can help determine the best approach based on your dog’s specific condition and long-term needs and monitor their progress to help reduce the risk of future ear problems.

For more expert tips on dog health, explore our other dog skin, fur and ear articles.

Nutrition Science sourced from the Purina Institute.

References

1. Shmalberg J. Diets and the dermis: Nutritional considerations in dermatology. ACVN Nutrition Notes. Todays Vet Pract. 2017;7:33-42.

2. Martinez N, et al. A study into the fatty acid content of selected veterinary diets, supplements and fish oil capsules in Australia. Vet Dermatol. 2021;32:256-e69.