Yellow Puke Cat. However, this might also occur if your kitty is refusing to eat or if she has liver disease. This typically means they are vomiting on an empty stomach and not because of something they ate.

Food stimulates the gall bladder to contract, but when the gall bladder does not contract, the bile can back up into the small intestines. Its action is essential for proper digestion, as it contains certain enzymes that allow for the emulsifying of fats ingested through food. Bile is a yellow or green substance produced in a cat’s liver, which aids in digestion of food.