Understanding Canine Tail Problems and Why They Occur Injuries to a dog’s tail commonly occur from repetitive strong tail wagging, unintentional knocks against hard surfaces, and minor self-inflicted wounds picked up while playing. In many cases, a condition known as happy tail stems from repetitive impact to the tail’s end, https://superiorcompass763.webbuzzfeed.com/38947381/the-blog-on-happy-tail-syndrome-treatment