Learn the common causes of cat diarrhea and how to treat it. Includes guidance on when to see a vet and prevention tips.
Diarrhea is your cat's digestive system saying something isn't right. While occasional mild episodes can resolve on their own with supportive care, chronic or severe diarrhea always has an underlying cause that deserves attention. Diarrhea lasting more than 48 hours in adult cats (or any duration in kittens) warrants a vet visit. Blood, vomiting, lethargy, or weight loss are never "wait and see" symptoms. Most causes are treatable once identified. Prevention through proper diet, parasite control, and stress management reduces risk. Kittens and senior cats need faster veterinary response. Your cat can't tell you when something is wrong—diarrhea is one of the ways they communicate that their digestive system needs attention. By understanding the causes and knowing when to act, you're equipped to help your feline friend feel better fast.