Understanding Tail Injuries and How They Happen Tail injuries commonly occur from repetitive strong tail wagging, unintentional knocks against hard surfaces, 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://energeticstream229.blogaritma.com/36562350/readers-views-point-on-protect-dog-tail-from-injury-and-why-it-is-trending-on-social-media