Learning about Tail Injuries and Their Common Causes Canine tail wounds typically arise from frequent enthusiastic wagging, occasional bumps against hard surfaces, and sometimes scratches or nips caused during play. In many cases, happy tail syndrome develops from constant damage to the tail’s end, causing splits, bleeding and ongoing irritation. https://classicdomain117.blogoscience.com/45101243/why-how-to-keep-dog-tail-bandage-on-is-a-trending-topic-now