Causes of hair loss in Chihuahuas:

1. If a Chihuahua suffers from mental illness and is depressed and anxious for a long time, hair loss will occur. Do not put pressure on it at ordinary times. Create a happy environment for it.
2. If your Chihuahua suffers from skin diseases, it will also cause large areas of hair loss, and it needs to be treated with antifungal drugs.
3. If the Chihuahua is infected with parasites and damages the health of the hair follicles and skin, it will cause hair loss, so it must be dewormed regularly.
4. If the Chihuahua is malnourished, it will also experience a lot of hair loss. Feed it a variety of foods to ensure a balanced nutritional intake.
5. Chihuahua will grow new hair in spring and autumn, which is a normal physiological phenomenon. The owner can comb its hair every day.