Cat Throws Up After Eating Everyday. If a cat’s vomit is green, this could be due to the cat eating some kind of plant material. If your cat regularly gorges on food, quickly eating more than their stomach can comfortably contain, they may vomit the undigested food back up, reasonably.

Vomiting occurs when the contents of a cat’s stomach are expelled. Cats may throw up even when they’re not sick. If your cat is vomiting after.