Because of their barbs, porcupine quills can get stuck in a dog’s soft tissue can move deeper into the body if they’re not removed right away. … Quills can even enter joints, harm internal organs, or cause abscesses, Lucerne Veterinary Hospital warns. although, Why do dogs go after porcupines? In most cases, dogs are inquisitive … Continue reading What happens if porcupine quills are not removed?