Last Updated on December 29, 2020
3. Bacteria, viruses, and parasites
A vast range of conditions caused bacteria, viruses, or even parasites can affect your dog’s health. When bacteria and viruses affect the stomach, your dog may experience abdominal pain, leading to behavioral changes. This discomfort is often followed by vomiting and diarrhea as well. Bacteria, viruses, and parasites can easily spread from dog to dog, which is why you should always be extremely careful with your puppy.
