Learning about Tail Injuries and Why They Occur Damage to a dog’s tail typically arise from constant enthusiastic wagging, occasional bumps against solid objects, and small cuts or grazes caused during play. In many cases, this condition develops from constant damage to the tail’s end, causing persistent bleeding and soreness. https://synergeticsector541.blogunteer.com/37348832/why-happy-tail-syndrome-treatment-is-a-trending-topic-now