Learning About Tail Injuries and What Causes Them Canine tail wounds typically arise from frequent vigorous wagging, accidental impacts against solid objects, 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://ultimateforum10.blogdun.com/39239200/the-most-spoken-article-on-vet-recommended-dog-tail-protection