Understanding Tail Injuries and Their Common Causes Canine tail wounds often develop from regular vigorous wagging, unintentional knocks against solid objects, and small cuts or grazes during games or exercise. In many cases, happy tail syndrome results from repeated trauma to the tail tip, causing splits, bleeding and ongoing irritation. https://alphaline64.blogminds.com/the-growing-craze-about-the-dog-tail-injury-cover-35360541