Understanding Tail Injuries and What Causes Them Damage to a dog’s tail often develop from repetitive energetic movement, accidental impacts against hard surfaces, and small cuts or grazes caused during play. In many cases, happy tail syndrome develops from constant damage to the tail’s end, causing persistent bleeding and soreness. https://fusiongroup42.alltdesign.com/the-most-spoken-article-on-dog-tail-guard-57292171