Learning about Canine Tail Problems and Why They Occur Canine tail wounds often develop from regular vigorous wagging, unintentional knocks against hard surfaces, and occasional bites or abrasions caused during play. In many cases, happy tail syndrome results from repeated trauma to the tail’s end, causing persistent bleeding and soreness. https://apexstation21.tinyblogging.com/how-to-keep-dog-tail-bandage-on-knowing-the-best-for-you-82485695