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

Jul 26,2025
3Min

Cause of dog hair loss 1: Seasonal hair loss

If you find that your dog is suddenly losing hair severely, as an owner, you should first consider whether it is a seasonal hair loss. Most dogs shed their hair in spring and autumn, such as Corgis, Chow Chows, Samoyeds, etc. This phenomenon usually lasts for about 25 days. Pet owners can prepare a special comb for dogs. Just comb the dog's hair to ensure that the old fallen hair does not fly everywhere in the house.

Reason 2 for dog hair loss: Wrong bathing method

Some novice pet owners directly use human shower gel, shampoo or soap when bathing their dogs. This is wrong. . Long-term use of human toiletries will cause severe hair loss in dogs, because dog skin is different from human skin. Human toiletries are more alkaline than canine ones, and dogs' use of them will cause itching and dryness of the skin. , non-seasonal hair loss, etc. So please use pet-specific shower gel for your dog.

The third reason for dog hair loss: caused by skin diseases and parasites

If you find that your dog suddenly loses large pieces of hair, scratches the skin frequently, and even grows on the skin If you have small red bumps, you need to pay attention. It is very likely that the dog has a skin disease or is infected with parasites, so there will be a lot of hair loss. You can first apply special skin ointment to the dog to observe the situation. If it is serious, it is recommended to take it to the hospital for an examination.

The fourth reason for dog hair loss: food problem

Another point is to pay attention to whether there is a problem with the dog's food. Feeding your dog some irritating foods, such as chili peppers, flavored foods, overly salty foods, etc., will cause the dog to lose hair or even partially lose hair, seriously affecting the dog's appearance. Feeding a single dog food for a long time cannot meet the nutritional needs of the dog's body, which will also lead to uneven color, dullness, non-seasonal hair loss, etc.
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