With bilious vomiting, dogs who are otherwise well, vomit yellow, foamy fluid in the early hours of the morning or when they’ve not eaten for a while. It’s more common in dogs fed once a day ...

But vomit is partially digested and has some bile. Your dog will almost always try to eat regurgitated food. If your dog is throwing up food and also has any of these symptoms, take them to the vet.

While the color of your dog’s vomit isn’t a “black and white indicator,” Watkins says there are some shades that warrant a visit to the vet: Yellow bile is usually an indicator to vets ...

Our 14-year-old Yorkie is in an ICU. About three days ago, he started vomiting with yellow bile. What causes a dog to vomit bile? He kept drinking lots of water and that came up as well.