Humans aren’t the only ones who experience occasional tummy trouble. Our cats do, too. Gastroenteritis in cats is a common condition characterized by vomiting and diarrhea. It usually makes cats feel ...

But the most common symptom of lactose intolerance in cats is diarrhea, usually within eight to 12 hours, says Susan G. Wynn, DVM, CVA, CVCH, an animal nutritionist in Atlanta and co-author of the ...

Bismuth subsalicylate (Kaopectate, Pepto Bismol) is a medicine used to treat stomach issues like diarrhea, nausea, and heartburn in dogs and sometimes cats.

Roundworms and hookworms cause vomiting and diarrhea in cats. In humans who inadvertently ingest the microscopic eggs, these parasites cause blindness, seizures and organ damage.