Cat Vomitting? From Causes and Symptoms to Care - All in One Guide
Have you ever seen your cat suddenly vomit, sometimes even bringing up white foam? While it can be alarming, vomiting is actually quite common in cats. The Causes can range from hairballs and sudden changes in diet, to dietary indiscretion—like eating something they shouldn’t.
Vomiting vs. Regurgitation: What's the Difference?
Before vomiting, cats usually show clear signs like drooling, lip licking, abdominal contractions, or throat movements — you can often tell the body is preparing to expel something.
It typically happens before food is fully digested and often brings up undigested food mixed with stomach acid or saliva. It’s usually triggered by eating too quickly or moving around too much right after meals.
If it happens suddenly and without warning, it’s probably regurgitation. To help prevent regurgitation, try to limit intense activity immediately after your cat eats.
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Common Causes of Cat Vomiting
- Hairballs: Excessive grooming can lead to a buildup of hair in the stomach.
- Sudden dietary changes: Switching foods too quickly can upset the digestive system.
- Overeating or eating too fast: Can increase pressure in the stomach and trigger vomiting.
- Stress: Changes like moving, new people, or a disrupted environment can cause stress-related vomiting.
- Gastrointestinal issues: Conditions like inflammation, blockages, parasites, or kidney and liver problems.
- Toxin ingestion: Exposure to toxic plants (like lilies), human foods (like chocolate), household cleaners, or medications.
How to Assess Your Cat’s Vomit: What It Can Tell You
- White foam: Often linked to an empty stomach or excess stomach acid.
- Yellow or green liquid: May indicate bile reflux, gastritis, or a possible intestinal blockage.
- Hairballs: Suggests difficulty in passing ingested hair.
- Undigested food: Could be a result of eating too quickly or poor digestive motility.
- Red or dark brown liquid: May signal internal bleeding or poisoning.
- Abdominal pain
- Increased vomiting frequency
- Suspected ingestion of a foreign object or toxic substance
- Lethargy
- Fever
- Refusal to eat or drink
- Abnormal urination
- Sudden abdominal swelling
Emergency Care: What to Do If Your Cat Vomits
- Withhold food and water for 6–8 hours to allow the stomach to rest.
- Check for signs of dehydration by assessing skin elasticity and mouth moisture.
- If vomiting stops, offer small amounts of electrolyte water to rehydrate.
- Monitor and record the frequency, timing, and appearance of the vomit.
- Isolate your cat if you suspect an infection to prevent potential spread.
- Avoid giving any medications, especially human drugs, without veterinary guidance.
- Once your cat is stable, gradually reintroduce small portions of easily digestible food.
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Preventing Vomiting: 3 Key Tips for Daily Care
- Feed meals on a consistent schedule to prevent hunger or overeating.
- Transition to new foods gradually to avoid digestive upset.
- Manage hairballs through regular grooming and using hairball remedy powder.
- Encourage hydration with water fountains or broth-flavored water.
- Add probiotics to support a healthy digestive system.
- Minimize stress and exposure to unfamiliar stimuli.
- Keep hazardous substances, plants, and small objects out of reach.
- Use regular deworming treatments as recommended by your vet.
- Schedule annual veterinary visits to catch gastrointestinal or other health issues early.

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