Why do dogs lose hair in autumn? Pay attention to these reasons

Jul 26,2025
3Min

Causes of dog hair loss in autumn: Seasonal hair loss

Most dogs shed their hair in spring and autumn. For example, shepherd dogs, Chow Chows, Pekingese dogs, etc. do not need so much hair in summer, so when the weather gets warmer, some of the old hair is shed to regulate body temperature. When winter comes, they will take off their coarse hair and replace it with downy hair to survive the cold winter. These are normal phenomena. As long as you comb the dog's hair more every day and clean the hair during this period, you can prevent hair from flying all over the house.

Causes of dog hair loss in autumn: skin diseases

If the dog suffers from folliculitis or eczema, or is infested with a large number of lice and fleas, it will also cause a large amount of hair loss. Dogs will scratch their fur with their claws and teeth due to itching, causing extensive hair loss. At this time, it is best for the owner to observe the dog's skin, treat the symptoms, and remember to deworm regularly. If it is a skin disease such as fungal infection, it is best to see a doctor and treat it with medication under the guidance of the doctor.

The reason why dogs lose hair in autumn: incorrect use of toiletries

Many families use adult soap or shampoo or even washing powder and detergent to bathe dogs, causing dry and itchy skin of dogs. , allowing mites, bacteria, and fungi to take advantage of them, causing skin diseases and ultimately leading to hair loss. In addition, frequent bathing will greatly damage the normal protective substances secreted by the skin. Therefore, it is recommended that dogs should use dog-specific washing products, and the number of baths should not be too frequent and should be reasonably controlled.

The reason for dog hair loss in autumn: lack of nutrition

Poodles do not supplement enough nutrients, such as protein, vitamins, etc., in their daily feeding, which will cause hair loss. Dogs need enough protein for hair growth, and a lack of protein will affect hair growth. Dogs may also experience hair loss when they are deficient in vitamins, especially vitamin B. Hair removal is accompanied by symptoms such as weight loss, anorexia, and general weakness. Therefore, owners should pay attention to the nutritional balance of dogs in their daily diet and supplement with more vitamins.

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