Understanding Canine Tail Problems and Why They Occur Tail injuries commonly occur from regular vigorous wagging, unexpected hits against doors or corners, and occasional bites or abrasions caused during play. In many cases, happy tail syndrome results from repeated trauma to the tail tip, causing splits, bleeding and ongoing irritation. https://brightdashboard451.dreamyblogs.com/38929802/essential-things-you-must-know-on-vet-recommended-dog-tail-protection