Your cat is throwing up because its body is getting rid of something it can't or won't keep down. It can be as harmless as a hairball or a meal swallowed too quickly, and it can be a sign of something that requires a veterinarian's assessment. The key lies in the pattern: if your cat throws up on rare occasions and is otherwise happy, active and eating, there's usually no cause for concern. If it happens often, at short intervals, or is accompanied by lethargy, loss of appetite or weight loss, you should contact a veterinarian. In this overview, we go through the most common causes, when you should react, and how feeding and the meals themselves play a role in a calm stomach.
The most common reasons a cat throws up
Hairballs are a classic. Cats are meticulous about grooming their coat, and when they lick themselves, they swallow loose hairs that gather in the stomach. If the hairs can't pass on through the intestine, they come back up again, often as an elongated clump. This is seen especially in long-haired cats and during shedding periods.
Another common cause is that the cat eats too quickly. If the food is swallowed almost without being chewed, the stomach may react by sending it back up shortly after the meal, often in an almost unchanged form. It's more about pace and quantity than about the food itself. Changing food from one day to the next can also cause an upset stomach, because digestion doesn't have time to get used to the new ingredients. Finally, cats can throw up if they've eaten something they can't tolerate, from plants and grass to scraps that don't belong in a cat's diet.
When is vomiting harmless, and when should you react?
An isolated instance of vomiting in a cat that otherwise seems completely itself, eating, drinking and behaving normally, is rarely something to go on high alert about. The body has cleared itself of something, and life goes on. What's concerning lies in the repetition and in what accompanies it.
If your cat throws up several times over a short period, stops eating, seems lethargic or withdraws, or loses weight, it's a sign that something is wrong. The same applies if the vomit contains blood, or if the cat also has diarrhea or seems to be in pain. Here it's not the feeding you should adjust, but a veterinarian you should call. A veterinarian can examine the cat and find the cause, and that's always the right course when you're in doubt about your animal's health. Nutrition can support healthy digestion, but it never replaces a veterinarian's assessment when the cat is ill.
Can the food be the reason the cat is throwing up?
Yes, food can play a part in several ways. A cat with a sensitive stomach reacts to the quality of the ingredients, to the composition and to how easy the food is to digest. Meals with a lot of fillers and opaque ingredients give digestion more to work with, and this can be felt by the cat that already has a delicate stomach.
The cat is by nature a carnivore, and a nutritional profile with a high content of carefully selected animal ingredients closely matches what the body is built to digest. ESSENTIAL FOODS' cat meals are composed of human-grade ingredients and fresh raw materials, prepared so that the choice ingredients retain their quality. If you're considering giving your cat a nutritional profile that's easier to digest, you can explore the whole range in our cat meals. Among the dry meals, cats often find their favorites in The Little Lion, The Jaguar and The Panther, where each range has its own flavor and ingredient profile.
How do you switch food without challenging the stomach?
One of the most overlooked triggers of vomiting is switching food too abruptly. Digestion adapts gradually, and if new ingredients arrive suddenly, the stomach may protest. The solution is to do it calmly over a period of about a week: mix a little of the new meal into the one your cat knows, and increase the proportion day by day until the transition is complete. That way digestion has time to keep up.
If you want to find out whether a new meal goes down well with your cat without changing everything at once, you can start small with a trial meal. It gives the cat a chance to taste it, and you a chance to see how the stomach takes it, before you commit to a larger bag.
Meals for a cat with a sensitive stomach
If your cat tends to throw up after meals, it can help to look at both what and how it is fed. Smaller portions spread across several meals throughout the day put less strain on the stomach than one large meal, and a fixed rhythm creates calm in digestion. If the cat eats too greedily, it can help to use a bowl that makes it slow down.
On the ingredient side, it's about meals that are gentle on a sensitive stomach. In our collection for a sensitive stomach, you'll find relevant products gathered with delicate digestion in mind. If your cat's discomfort is about a suspicion that it can't tolerate certain ingredients, you can take a closer look at our grain-free meals and the allergy-friendly options, where grain-free meals leave out grain in favor of other ingredients. It's worth remembering, though, that an actual food intolerance is something a veterinarian should help assess before you draw conclusions.
Special considerations for kittens, adults and senior cats
The cat's age and life stage affect how the stomach reacts. A kitten has a digestion that's still developing and a small stomach, where small, frequent meals suit better than large portions. You'll find the right choices for the youngest in our meals for kittens. The adult cat typically has a more robust digestion, but is still sensitive to sudden changes and too much food at once, and here meals for adult cats are a good fit.
As the cat enters its golden years, its needs change again. Digestion can become more delicate, and the appetite fluctuates, which can make a senior cat more prone to reacting to what it eats. Meals attuned to this life stage can be found in senior cat meals. If your cat is neutered, its metabolism changes, and an adapted nutritional profile can make a difference for both weight and well-being, which our meals for neutered cats take into account.
How to find the right feeding
Figuring out why your cat is throwing up is often a matter of keeping an eye on the pattern and experimenting with a fixed rhythm, appropriate portions and high-quality meals. If you're unsure what suits your particular cat's stomach, age and taste, ESSENTIAL FOODS' nutrition advisors are ready to guide you on feeding, food and nutrition by phone, chat or email. They can help you put together a feeding plan that gives your cat a calm stomach in everyday life. If the vomiting keeps coming back, or your cat seems listless or unwell, then it's a veterinarian you need to get hold of, so the cause can be found and your cat can get the right help.