Skin irritation can also bring itching to the dog’s tail and the dog will want to scratch it. This is easier to spot, however, because dermatitis is usually accompanied by hair loss. If the dog’s tail is bald and the dog wants to bite it, it is a skin infection.
If the dog is scratching other parts of its body besides the tail, it may have a parasitic infection. Because parasites can multiply and spread throughout the dog’s body, the dog will itch all over. If your dog is regularly dewormed every year, you don’t need to worry about this problem.
Out of habit dogs are creatures that are very willing to meet their owner’s needs. If the owner likes the way the dog chases its tail, the dog will receive positive feedback and its pampering pattern will become chasing its tail in front of the owner to please the owner. This is the only one of the healthier reasons.