Does Worms Cause Gas In Dogs?

Does Worms Cause Gas In Dogs? Many intestinal parasites (aka worms) like roundworms cause digestive issues, including gas, in dogs. There are also several types of gastrointestinal tumors that can affect dogs. Symptoms can include vomiting, diarrhea, and gas. What causes excessive gas in dogs? Most cases of chronic flatulence are caused by a diet