Yeast infections in dogs are caused by the overgrowth of a fungus called Malassezia pachydermatis. This fungus is commonly found on the skin of dogs and is usually kept in check by the dog’s immune system and the presence of beneficial bacteria. However, certain conditions can cause the fungus to overgrow, leading to infection.

Symptoms of a yeast infection in dogs include itching, redness, and inflammation of the skin, as well as a characteristic musty odor. The ears, paws, and skin folds are the most common areas affected. In severe cases, the skin may become thickened and blackened. Yeast infections can also lead to secondary bacterial infections, which can further complicate the condition.

Yeast infections in dogs can be caused by a variety of factors, including:

  • Allergies: Dogs with allergic skin diseases are more susceptible to yeast infections because the itching and scratching caused by allergies can damage the skin, making it more susceptible to infection.
  • Hormonal imbalances: Certain hormonal conditions, such as hypothyroidism, can lead to an overgrowth of yeast.
  • Immune deficiencies: Dogs with weakened immune systems are more susceptible to yeast infections.
  • Antibiotic use: Antibiotics can disrupt the balance of bacteria on the skin, leading to the overgrowth of yeast.

Treatment for yeast infections in dogs typically involves a combination of medicated shampoos, topical creams, and oral antifungal medication. In addition, the underlying cause of the infection should be identified and addressed. This may involve addressing underlying allergies or hormonal imbalances, and also may require a change in diet.

It’s important to keep in mind that yeast infections in dogs are often chronic conditions that require long-term management. Even after the visible symptoms of the infection have been resolved, the fungus may still be present on the skin in low levels. To prevent future outbreaks, it is important to maintain a healthy immune system, keep the dog’s skin clean and moisturized, and avoid excessive use of antibiotics.

In addition to the treatment options I mentioned earlier, there are also several steps that pet owners can take to help manage yeast infections in dogs.

  1. Bathing: A medicated shampoo containing antifungal agents can help to control the overgrowth of yeast on the skin. Your veterinarian may recommend a specific shampoo or give a prescription.

  2. Diet: Switching to a diet that is low in sugar and carbohydrates can help to decrease the amount of food available for yeast to feed on. Some veterinarians also recommend adding probiotics to the diet to help restore the balance of bacteria on the skin.

  3. Allergies: If your dog has allergies, it is important to work with your veterinarian to identify and manage them. This may involve using antihistamines, special shampoos, or even desensitization therapy.

  4. Grooming: Regular grooming can help to remove excess yeast from the coat and skin. This can include brushing, trimming hair, and cleaning the ears and skin folds.

  5. Environment: Yeast thrives in warm and humid environments, so keeping your dog cool and dry can help to prevent the overgrowth of the fungus.

It is important to remember that yeast infections in dogs are often chronic conditions, which means that it may require long-term management. Even after the visible symptoms have been resolved, the fungus may still be present on the skin in low levels. By working with your veterinarian and implementing a consistent management plan, you can help to keep yeast infections under control and improve your dog’s overall quality of life.

How can you tell if your dog has a yeast infection?

There are several signs that may indicate that your dog has a yeast infection. The most common symptoms include:

  1. Itching and scratching: Yeast infections can cause itching and scratching, which can lead to red, irritated skin.

  2. Odor: Yeast infections can cause a musty or sweet smell, caused by the overgrowth of the fungus on the skin.

  3. Ear infections: Yeast infections can cause infections in the ears, which may be accompanied by redness, swelling, and discharge.

  4. Skin changes: Yeast infections can cause changes in the skin, such as redness, inflammation, and thickening of the skin. This is especially common in areas with folds such as the underbelly, under the ears, and around the paws.

  5. Yeast dermatitis: A yeast infection can cause some of the above symptoms to be accompanied by a rash or a skin lesion that could be scaly and itchy.

It is important to note that these symptoms can also be caused by other conditions, such as allergies or bacterial infections. Therefore, it is important to have your dog examined by a veterinarian to determine the cause of the symptoms and to rule out other conditions. A vet can diagnose the infection by taking a skin scraping and examining it under the microscope to look for yeast and can also take a culture to identify the specific type of yeast.

If you suspect your dog has a yeast infection, it’s best to consult with your veterinarian as soon as possible, so that an accurate diagnosis and appropriate treatment can be initiated.

What kills yeast in dogs naturally?

There are several natural remedies that can help to control the overgrowth of yeast on a dog’s skin and ears. However, it’s important to note that these remedies may not be as effective as medications prescribed by a veterinarian, and they should be used in conjunction with a treatment plan recommended by a professional.

  1. Apple Cider Vinegar (ACV): Dilute a small amount of ACV with water, and use it to clean your dog’s ears or affected areas. The acidity of the vinegar can help to control the growth of yeast.

  2. Coconut Oil: Coconut oil has antimicrobial properties, and can be used topically to help control yeast growth. It can also be added to your dog’s diet.

  3. Yogurt: Probiotics found in yogurt can help to restore the balance of bacteria on your dog’s skin, which can help to control yeast overgrowth.

  4. Tea Tree Oil: Tea tree oil can be added to shampoo or applied topically in small amounts with carrier oil like coconut oil.

  5. Garlic: Some people believe that garlic has antifungal properties and can help to control yeast growth when added to the diet in small amounts.

It’s important to keep in mind that using these natural remedies alone may not be enough to effectively treat a yeast infection, and they should be used in conjunction with treatment recommended by a veterinarian. Furthermore, It’s also important to be careful when using essential oils, as they can be toxic if not used properly.

Please note that, before using any natural remedy, it is best to consult with a veterinarian, to make sure it is appropriate for your dog and to avoid any adverse reaction.

What not to feed a dog with yeast infection?

In order to help control the overgrowth of yeast, it’s important to address any underlying factors that may be contributing to the infection, such as allergies or hormonal imbalances. Diet is one of the factors that may influence the overgrowth of yeast on the dog’s skin. Here are some types of food to avoid feeding a dog with yeast infection:

  1. High carbohydrate foods: Carbohydrates are a source of energy for yeast, so it’s best to avoid foods that are high in carbohydrates such as grains, starches, and sugars.

  2. High-sugar foods: Foods that contain high levels of sugar should be avoided, as sugar can feed the growth of yeast.

  3. Yeast-containing foods: Foods that contain yeast, such as bread, should be avoided as they can promote yeast growth.

  4. Processed foods: Processed foods often contain artificial preservatives, colors and flavors, which can contribute to yeast overgrowth.

  5. High-Allergen foods: Some dogs are allergic or sensitive to certain ingredients, such as chicken, beef, wheat, corn, and soy. These allergens can contribute to yeast overgrowth and skin issues.


It is always best to consult with a veterinarian to address any health issues with your dog as it is better to take precautionary measures rather than to wait. They will be able to diagnose the problem, recommend a treatment plan and help you to manage the condition over time.

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Nicolas Desjardins

Hello everyone, I am the main writer for SIND Canada. I’ve been writing articles for more than 10 years and I like sharing my knowledge. I’m currently writing for many websites and newspaper. All my ideas come from my very active lifestyle. I always keep myself very informed to give you the best information. In all my years as computer scientist made me become an incredible researcher. I believe that any information should be free, we want to know more every day because we learn everyday. You can contact me on our forum or by email at: [email protected].