Why Your Cat Throws Up Undigested Kibble (and How to Stop It)
📝 Summary
Cats that vomit undigested kibble usually have a gut issue. Eating too fast or too much, hairballs from grooming, or gastroenteritis from infection, parasites, or foreign objects are the usual triggers. For mild cases, a short fast plus a pet probiotic helps; hairballs respond to hairball paste or cat grass. If gastroenteritis is the cause, only medicate after vomiting stops, using a vet-prescribed antibiotic and anti-emetic, and keep regular deworming and small meals to protect the gut.
1 Why It Happens
1. Eating too quickly or too much with weak gut movement causes indigestion and regurgitation; the cat usually feels better afterward. Withhold food and water, then offer a pet probiotic once symptoms ease.
2. Hairballs from constant grooming irritate the stomach; you may even see threads in the vomit. Offer hairball paste or cat grass to help pass them.
3. Bacteria, viruses, parasites, or swallowed objects can cause gastroenteritis; a probiotic and an appropriate medication help.
2 Stopping the Vomiting
For gastroenteritis, use a vet-prescribed antibiotic and anti-emetic only after vomiting has stopped, first fasting about 8 hours, then dosing and watching; once it settles, restart food gradually.
Many gut parasites also cause vomiting, so keep up regular deworming. Cats with weak digestion should eat small, frequent meals to avoid overload.
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