Learning about Dog Tail Injuries and What Causes Them Tail injuries typically arise from repetitive vigorous wagging, unexpected hits against solid objects, and minor self-inflicted wounds during games or exercise. In many cases, happy tail syndrome is triggered by continuous injury to the tail’s end, causing persistent bleeding and soreness. https://creativebase21.theisblog.com/38904744/the-benefits-of-knowing-tail-protector-for-dogs