Colin FosterBy Colin Foster

Updated November 2026

If you keep asking why does my cat vomit every day, you are probably dealing with a pattern that needs attention. Daily vomiting is not normal for cats, even if it seems minor. This guide helps you narrow down likely causes, record useful details for your vet, and recognize the signs that mean you should not wait.

Start by Tracking the Pattern

Before changing anything, spend three to five days writing down what happens. Vets can often narrow the cause faster when they have specific details instead of a general report that your cat “throws up a lot.”

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  • Time of day, and whether it follows a meal, play session or a long stretch without food
  • What comes up: clear fluid, foam, undigested food, partly digested food, hairballs, or yellow bile
  • Whether your cat seems hungry right afterward or refuses food
  • Any changes in litter box habits, energy, grooming or weight

Common Causes of Daily Vomiting

Several conditions cause repeated vomiting. Some are manageable at home with diet or routine changes, while others need prompt treatment.

Eating Too Fast or Too Much

Cats that wolf down food often bring it back up within minutes. This is especially common in multi-cat homes where one cat competes for bowls. Food that comes up shortly after eating, looking whole or lightly chewed, often points to this.

Food Sensitivity or a Sudden Diet Change

Switching foods too quickly, or a cat reacting to an ingredient, can trigger ongoing vomiting. Some cats develop food intolerance or inflammatory bowel disease, which often causes vomiting along with diarrhea or weight loss.

Hairballs

Hairballs usually cause occasional vomiting, not daily episodes. If your cat vomits every day and the material is mostly hair, grooming is worth looking at, especially if shedding has increased.

Medical Conditions

Kidney disease, hyperthyroidism, pancreatitis, intestinal parasites, blockages from swallowed string or toys, and other illnesses can all cause frequent vomiting. These problems often need bloodwork, urinalysis or imaging to diagnose. Ongoing vomiting is also a common reason cats lose appetite, so pay attention if eating has dropped as well. You can read more in Why Your Cat’s Appetite Has Suddenly Changed.

What to Do This Week

  1. Feed smaller meals more often, and consider a slow-feeder bowl if your cat eats quickly.
  2. Avoid sudden food changes. If you need to switch foods, transition over 7 to 10 days.
  3. Keep your cat’s water fresh and available at several spots around the home.
  4. Brush your cat regularly to reduce hair swallowed during grooming.
  5. Call your vet to schedule an exam, and bring your written log.

For more on specific patterns, see Why Does My Cat Vomit After Eating? 6 Common Causes and When to Worry and Why Does My Cat Puke After Eating? Causes and When to Worry.

When to Call the Vet Right Away

Do not wait if your cat vomits every day and also shows any of the following: blood in the vomit, vomiting more than a few times in one day, lethargy, hiding, straining in the litter box, a swollen or painful belly, diarrhea, or refusal to eat for more than 24 hours. Cats can become dehydrated quickly, and a cat that stops eating for several days can develop serious liver problems. Call your veterinarian or an emergency clinic if you are unsure.

  • Slow-feeder bowls help cats that gulp food and vomit soon afterward by forcing them to eat more slowly. View on Amazon
  • Cat water fountains encourage drinking, which many owners find helpful for cats that eat dry food and drink little. View on Amazon
  • Soft-bristle cat grooming brushes reduce loose hair that cats swallow during grooming. View on Amazon

Common Mistakes to Avoid

  • Assuming daily vomiting is normal because your cat seems otherwise fine.
  • Withholding food for long periods without guidance from your vet.
  • Giving over-the-counter medications without checking with a veterinarian first.
  • Switching foods every few days while trying to find a fix.
  • Forgetting to mention vomiting to your vet during routine visits.

FAQ

Is it normal for a cat to vomit every day?

No. Occasional vomiting, such as an occasional hairball, is common, but vomiting every day is a sign that something needs evaluation. Schedule a vet visit to find the cause.

Can I treat daily vomiting at home?

Feeding changes, slower eating and better grooming can help in mild cases. However, you still need a vet to rule out serious conditions before relying on home care alone.

How long can a cat vomit before it becomes an emergency?

If vomiting continues for more than a day, or if your cat shows lethargy, blood, dehydration or refuses food, contact a vet promptly. Consult a veterinarian for any concern about your cat’s health.

Conclusion

Daily vomiting in cats has many possible causes, from eating too fast to conditions that need medical care. Track the pattern, make simple feeding and grooming changes, and watch for warning signs. Share your log with your veterinarian so they can find the cause and start the right treatment.

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Colin Foster

About Colin Foster

Colin Foster is part of our editorial team and reviews and edits our cats guides, checking product details against manufacturer specifications and owner feedback.