What causes hair loss in dogs’ ears? Is it a disease that causes hair loss in dogs’ ears?

Jul 26,2025
6Min


Dog ear hair loss may occur due to the shedding season


Dog hair loss has special seasonal characteristics, and it is especially easy when the seasons alternate between spring and autumn. Hair loss occurs, and this hair loss is also systemic, not only on the body, but also on the ears.
Generally speaking, the dog hair loss season lasts for about 25 days. During this period, depending on the dog, there will be significant hair loss in different situations.
During the period of shedding, we need to enrich the dog's daily diet. Instead of just consuming a single dog food, we need to increase the dog's intake of some protein to provide sufficient power for the dog to grow hair. Or appropriately feed your dog some high-protein foods, such as shrimp, fish, beef, chicken breast, and egg yolks.

Hair loss in dogs’ ears may be caused by ear mites


Ear mites, also known as ear scabies, are common ear parasites in cats and dogs. Ear mites in dogs occur when the dog's ears have not been cleaned for a long time, or when the ears are moist, the breeding of ear mites occurs.
When dogs have ear mites, they will produce black or brown ear canal secretions in the ear canal, which are formed from skin oil, blood, inflammatory secretions and the ear mites themselves. The dog will keep scratching its ears, hair will appear on the outside of the auricle, and the dog will refuse ear canal examination.
To treat ear mites, you can use a special lotion for cleaning pet ears to remove secretions. If ear mites appear, it is recommended to use prescription drugs prescribed by the pet hospital, which contain ivermectin, moxidectin, and thiamine. A drug containing benzimidazole, which can kill ear mites and remove their eggs. The course of treatment usually lasts 10-14 days.
If you use over-the-counter ear mite medicines, some are not able to kill the eggs, so the treatment course will be longer, usually more than 3 weeks.

The hair loss on the dog’s ears may be due to the inability to keep up with nutrition


The reason why the dog’s ears are losing hair is also because the nutrition is not enough to support the growth of the dog’s body, resulting in the dog’s old age. The hair has fallen out, but the growth rate of new hair is relatively slow, so the phenomenon of hair loss will occur.
This kind of hair loss in dogs with insufficient nutritional supply is basically due to insufficient protein supplementation. Because hair is made of protein, when you find that your dog is losing hair and has no other adverse reactions, you should first increase your dog's protein intake and supplement foods containing high protein, such as chicken breast, beef, and fish. , eggs, etc.


The dog fell offHair may be due to fungal infection


Dog hair loss may be due to the invasion of dermatophytes. Dermatomycosis is called ringworm. It is a dermatophyte that invades the skin coat and claws and becomes parasitic or saprophytic. A fungal infection caused by the keratin tissue on the surface, cuticle, coat and claws.
Generally, after infection, you first need to clean the area infected with fungus and remove the hair. This will allow the medicine to penetrate directly into the skin and prevent the spread of the fungus. Then apply the medicine to an area larger than the infected area to prevent the small amount of fungus from spreading to the surrounding areas. Ultraviolet rays in the sun can kill mold, but be careful not to expose your dog to the sun for a long time to avoid sunburn.

Dog ear hair loss may occur due to excessive salt


Dogs that consume too much salt will have a large number of tear stains, leading to a sharp decline in appearance. It will make the hair dull, the softness will become worse, and it will even become knotted. In severe cases, there will be a lot of hair loss. This is accompanied by increased water intake and more frequent urination.
If the dog's hair loss occurs due to a change in diet, the owner must reduce the salt content in the food and reduce the salt intake of the dog to avoid skin problems caused by hair loss.

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