A dog's itchy ear with brown wax often signals an underlying issue like ear mites, a yeast infection, or bacterial problems, with the brown color indicating trapped debris or infection; this requires a vet visit for diagnosis, as mites look like coffee grounds, while yeast causes a strong odor and greasy discharge, and persistent itching points to allergies.
Dark brown earwax may simply be a build-up of healthy wax. Your dog's ear may just need cleaning. Gently wipe away the dirt and debris with a warm, damp cloth and dry afterward. Yeast infections (candida or Malassezia spp) commonly cause earwax to turn greasy, dark brown or reddish-brown.
Ear Mites: Dogs with ear mites exhibit intense itching, frequent scratching, and head shaking. They may also display signs of discomfort and irritation. Ear Wax: While excessive ear wax can cause some discomfort, it generally does not lead to the same level of intense itching or behavioral changes seen with ear mites.
Common and usually normal, brown earwax may indicate the presence of dirt or debris. If it turns dark brown–or when foul odor is paired with brown discharge, dog ear infection may not be far behind. Consult with your veterinarian if you notice anything abnormal.
Yeast Ear Infections in Dogs
However, ear inflammation can cause yeast levels to rise and cause a brown, greasy discharge within the ear canal and around the inside flap of your dog's ear. This discharge can be itchy and smelly for your dog.
Ear mites are extremely small, making it difficult to spot them. If you use a soft cloth to wipe the dog's ears, you may be able to spot the mites in the residue. They appear as tiny white dots. Some symptoms to look out for are brown or black waxy ear secretions and a strong odor from the ears.
The best way to get rid of your dog's yeast infection in their ear will depend upon the underlying cause and may include:
Discharge: Yeast infections usually produce a brown, waxy discharge, while bacterial infections often produce yellow or green pus. Itchiness vs Pain: Dogs with yeast infections are more likely to experience severe itching, while bacterial infections tend to cause more pain and discomfort.
Parasites: One of the most common reasons dogs scratch their ears is due to parasites, such as ear mites. These tiny creatures can cause a lot of discomfort and lead to infections if not treated promptly. Allergies: Dogs can also have allergic reactions to food, environmental factors, or even their own shampoo.
Typically, lighter colors (like pale yellow) mean newer earwax. Darker colors (like dark brown) often mean older earwax that's collected debris.
Does your dog get itchy skin, sore ears, or lick their paws constantly? They may have allergic skin disease. Spring and early summer tend to be the worst time for allergic skin disease in dogs as there are high pollen levels in the air.
How do I clean my dog's ears at home?
Ear problems tend to cause swelling, redness, pain, a bad smell, itchiness, and head shaking. Severe ear problems that affect deep inside the ear can also cause symptoms such as loss of balance, a head tilt, and flickering eye movements. Always contact your vet if you think your dog might have an ear problem.
Signs of an ear infection include scratching at the affected ear or face, head shaking, redness or swelling in the ear canal, crusting or scabs, abundant ear wax, pus, odor, or ear discharge.
If you don't see your dog scratching but suspect they have mites, hair loss in the area around the ear can be an indication. The reason these two conditions can get mixed up is because dog ear wax is often one of the symptoms of ear mites.
In cases of environmental allergies, these substances can enter the ear canal and cause inflammation and irritation. The inflammation can lead to increased production of earwax and the accumulation of debris in the ear canal.
Ear mites live in the ear canal and on the surrounding skin. Signs of ear mites in dogs include scratching around the ears, head and neck, skin irritation, head shaking, the presence of an ear discharge that is dark and waxy (resembling coffee grounds) and an unpleasant odour from the ears.
Dogs may have environmental allergies to dust or pollen, food allergies, or an allergic reaction to parasites such as flea bite dermatitis. If your dog's ear is simply red and itchy with no debris, this may be evidence of allergies. However, allergies in dogs frequently lead to ear infections.
Food allergies in dogs
Although it may be surprising to hear, since you probably think of your dog as the ultimate carnivore, the most frequent allergy culprit is a protein, usually chicken or beef. But certain dogs can also be allergic to carbohydrates, preservatives, or food dyes.
Signs That Your Dog May Have A Yeast Ear Infection
Alternate causes include trauma to the body, such as from a car accident, the presence of tumors or polyps in the ear, and the presence of foreign objects in the ear."
Common signs of ear infections in dogs include:
Allergens that lots of dogs are sensitive to, such as grain or dairy products, could be responsible for triggering their yeast infections. Going for a grain-free dog food and/or avoiding dairy products and other common allergens entirely will likely help.
Are there home remedies for yeast infections in dogs? The only home remedy for yeast infections in dogs that has any scientific data to support it is a vinegar rinse. A vinegar rinse is able to help change the pH of the skin to make it less desirable for yeast.
There are certain breeds thought to be genetically predisposed to developing yeast infections. These breeds include West Highland White Terrier, Basset Hound, Cocker Spaniel, Silky Terrier, Australian Terrier, Maltese Terrier, Chihuahua, Poodle, Shetland Sheepdog, Lhasa Apso, and Dachshund.