Causes and solutions for dog biting tails:

1. Physiological tail biting: When dogs are extremely bored, they will chase their tails and play to relieve their boredom. If there are no other diseases, Dogs generally do not bite themselves, but they may develop a habit over time, affecting the dog's balance ability. Correction should be made, such as keeping the dog company or giving toys to distract the dog when it chases its tail and plays.

2. Anal gland inflammation: Anal glands may become blocked, inflamed and other problems due to diet or a long period of no care. Dogs will choose to rub, lick, bite, etc. to relieve discomfort. The treatment method is local anti-inflammation. If the condition is serious, surgery may be required to remove the anal glands with severe suppuration.

3. Parasites: Parasites can cause skin itching. Treatment options include internal and external anthelmintics.

4. Skin diseases: Some skin diseases caused by fungal infections can cause hair loss and skin itching. Dogs will relieve themselves by biting themselves. You should consult your pet doctor and use prescription drugs and medicated baths for treatment.

5. Stress response and lack of vitamins may also cause self-biting syndrome. The owner needs to pay attention to changes or problems in the environment and diet and make improvements.

6. The dog is bored. If the owner is not at home or busy doing his own thing, the dog will feel bored. In order to attract the owner's attention, he will start to spin around and bite his own tail for fun. However, the frequency is generally very low and the dog will not Keep doing this.