Understanding Injuries To a Dog’s Tail and What Causes Them Canine tail wounds often develop from frequent vigorous wagging, unexpected hits against hard surfaces, and minor self-inflicted wounds caused during play. In many cases, happy tail syndrome results from repeated trauma to the tail tip, causing persistent bleeding and soreness. https://powercircle53.shotblogs.com/readers-views-point-on-k9-tailsaver-and-why-it-is-trending-on-social-media-52518212