Pocket VetMy cat has diarrhea — what should I do?
Usually worth a vet visitA bout of soft stool in an otherwise happy cat often passes. But blood, repeated episodes, or a cat that seems unwell or stops eating deserves a vet's attention — cats dehydrate and decline quickly.
Not sure how serious it is right now?
Describe your cat's exact symptoms (add a photo) and get an instant, calm triage — home care, vet soon, or emergency.
Check my cat now🔴 When it's an emergency
- ●Blood in the stool, or black tarry stool
- ●Diarrhea with vomiting, not eating, or lethargy
- ●Signs of dehydration or a painful belly
🟢 Usually okay to monitor
- ●One or two soft stools, cat still bright and eating
- ●No blood, normal energy
Frequently asked
What can I give my cat for diarrhea?
Ensure fresh water and a bland, easily digestible diet for a day. Avoid human medications. If it lasts more than 24–48 hours or comes with other signs, see your vet.
When is cat diarrhea serious?
Blood, black stool, vomiting, not eating, lethargy, or signs of dehydration mean you should see a vet — cats can deteriorate quickly.
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Check my pet — 5 freePocket Vet editorial team
Written and maintained by the Pocket Vet editorial team using authoritative veterinary sources. Reviewed June 8, 2026. This guide is informational only and not a substitute for professional veterinary care — see our editorial & safety policy. When in doubt, contact your vet; in a true emergency, go to an emergency clinic immediately.
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