Learning about Tail Injuries and Why They Occur Tail injuries frequently happen from constant energetic movement, unintentional knocks against solid objects, and small cuts or grazes that occur during playful activity. In many cases, happy tail syndrome develops from constant damage to the tail’s end, causing persistent bleeding and soreness. https://efficientlayer21.blogaritma.com/36560254/yes-good-dog-tail-injury-cover-do-exist