Learning about Dog Tail Injuries and Why They Occur Tail injuries commonly occur from repetitive enthusiastic wagging, occasional bumps against doors or corners, and small cuts or grazes during games or exercise. In many cases, this condition results from repeated trauma to the tail’s end, causing persistent bleeding and soreness. https://infiniteuniverse65.blogoscience.com/45104803/the-must-know-details-and-updates-on-protect-dog-tail-from-injury