Understanding Tail Injuries and Why They Occur Canine tail wounds commonly occur from constant enthusiastic wagging, unexpected hits against hard surfaces, and minor self-inflicted wounds during games or exercise. In many cases, what’s called happy tail syndrome results from repeated trauma to the tail’s end, causing persistent bleeding and soreness. https://brightsite430.pointblog.net/essential-things-you-must-know-on-dog-tail-injury-cover-86976821