White Foamy Vomit Cat. A veterinarian reveals if cancer could cause a cat’s vomit to be white and foaming. If your cat is vomiting white foam, there may be several underlying causes like indigestion, hairballs, gastritis, irritable bowel syndrome, and more.
No food and just white. If your cat has been retching a foamy white substance lately, perhaps you’ve wondered if this could mean cancer. Clear or white foamy vomit is a common symptom of feline chronic renal failure (crf.) if your cat likes canned food, you can mix water into it, to make kind of a slurry.