If they have an upset stomach ... hair – commonly referred to as hairballs – could be the cause of some cats' vomiting. It is not out of the ordinary for your cat to expel a hairball once ...

"Eventually, the cat may stop trying to defecate altogether," Lim explains. "If this happens, you might notice your cat becoming sluggish, losing its appetite, and vomiting." Diagnosing megacolon ...

A friend and I have traded cat foods that our cats have rejected ... 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.

Just like dogs, poinsettias are mildly toxic to cats, according to the ASPCA. The aforementioned symptoms (vomiting, drooling ...