Most Common Bacterial Infections in Dogs Dogs have been known for centuries for their innumerable abilities and contributions. Studies have shown that bringing home a dog can change one’s life for the better. There is no better natural antidepressant remedy than a dog. Yes, it is true that dogs are a great addition in anyone’s life but there are rules and guidelines that should be implemented especially for the well being of the dog. From healthcare to food, dogs have a different need than us humans.