Vomiting in Cats

Cat Problems and Health Issues, causes, symptoms, and treatments When should I contact my veterinarian? Your cat’s puke contains blood. Nothing comes out of your cat’s mouth when he tries to puke. You have a suspicion that your cat ate something harmful. The gums of your cat are yellow or very pale. Your cat may be sick or depressed. Your cat appears to be in a lot of discomfort. If your cat’s vomiting isn’t going away or if it’s getting worse, you should contact your veterinarian.