A smelly ear in dogs can be a sign of an underlying issue such as an ear infection or ear mites. It's important to address this promptly to prevent any discomfort or further complications for your furry friend. Here are some steps you can take:

1. **Visit the Vet:** The first step is to take your dog to the vet for a proper diagnosis. The vet will examine the ear, possibly take a sample for testing, and recommend the appropriate treatment.

2. **Cleaning:** Your vet may recommend a specific ear cleaning solution to help remove any buildup of wax or debris. It's important to follow their instructions carefully to avoid causing any harm to the ear canal.

3. **Medication:** Depending on the cause of the smell, your vet may prescribe medication such as ear drops or antibiotics to treat the infection or infestation. It's crucial to administer the medication as directed by the vet.

4. **Preventive Care:** To prevent future smelly ears, regularly check and clean your dog's ears, especially if they are prone to ear issues. Avoid using cotton swabs, as they can push debris further into the ear canal.

5. **Diet and Allergies:** In some cases, diet and allergies can contribute to ear issues. Your vet may recommend a specific diet or allergy testing to identify and address any triggers.

Remember, it's essential to seek professional advice from your vet to ensure the health and well-being of your dog.

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Topics covered in this question:

Dog Health Ear Infection Vet Visit Ear Care Smelly Ear