Learning About Tail Injuries and Why They Occur Tail injuries frequently happen from constant vigorous wagging, occasional bumps against walls or furniture, and small cuts or grazes picked up while playing. In many cases, happy tail syndrome develops from constant damage to the tail tip, causing persistent bleeding and soreness. https://keenplatform33.blogsvirals.com/37386865/the-must-know-details-and-updates-on-happy-tail-syndrome-treatment