Dogs and cats are often eating things they shouldn’t, and these snacking mishaps can often lead to all kinds of tummy troubles. But digestive issues can go beyond just what your pooch is putting in his mouth. Diarrhea, vomiting or constipation can all be signs of gastrointestinal issues, ranging from parasites to trauma or something more serious. To learn how to identify, treat and prevent digestive distress in your dog or cat, read our guides for pet owners.