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 ...

Both indoor only cats, 12 and 16, became very ill with vomit and diarrhea. Stopped Friskies and tried using only the Fancy Feast. Noticed large rubbery pieces. Cats are constipated with black ...

Consuming the stimulant may lead to vomiting, diarrhea and increased heart rate in cats, according to VCA Animal Hospitals. Chocolate candies also contain xylitol − a sweetener toxic to cats.

I've never bought a cat food that has made my cat this sick. All day he has had diarrhea and vomiting, he's a very active and healthy 5 month old who is pretty resilient to most things.