Q: "My cat has been vomiting white foamy stuff and has lost her appetite the last couple of days. Should I take her to the vet?" A: Occasional vomiting is all too common in cats; about 54% of cats ...

And cats vomit for different reasons, said Dr. Bruce Kornreich, director of the Cornell Feline Health Center. It's not uncommon for cats to vomit, either. However, it is important to understand ...