Vomiting Green Bile In Dogs. Clear fluid may mean your dog is unable to hold water down and is at risk of dehydration, and yellow fluid means vomiting on an empty stomach. The vomit could be caused by a case of indigestion and could resolve quickly on its own.
Bilious vomiting syndrome occurs when bile leaks into the stomach from the small intestine. It could also mean that they’re just vomiting up bile. Ultimately, we see that the green dog vomit may be due to the dog having eaten green stuff.