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Cat Throw Up White Foam

What To Do If Your Cat Throws Up Foam

Why is my cat throwing up white foam and clear liquid?

If your cat vomits foam, start taking notes to develop an understanding of what happened.

If you notice that your cat has thrown up foam, its important to make a few observations. Did your cat vomit red foam, which could indicate bleeding in the esophagus? Did your cat vomit yellow foam, which indicates the presence of bile? Taking note of the characteristics of your cats vomit can allow you to provide potentially valuable information to your veterinarian.

Next, monitor your cat carefully. A single episode of vomiting may not require immediate intervention, as long as your cat is otherwise acting normal. Confine your cat to a small area for ease of monitoring and keep an eye on her, but she may return to normal over the next several hours.

If your cat has been vomiting frequently or is showing signs of illness, take them to a veterinarian.

If your cat has three or more episodes of vomiting in a day, however, or if he or she is acting very lethargic or ill even after a single episode of vomiting, you should contact your veterinarian to schedule an appointment for your cat. A loss of appetite that persists for more than one day should also trigger a call to your veterinarian.

Why Did My Cat Throw Up White Foam What You Need To Know

Dr. Lorna Whittemore, MRCVS

The information is current and up-to-date in accordance with the latest veterinarian research.

Owning a cat means dealing with the good times and the bad times, and those bad times can often involve bodily fluids. Cats get ill, just like we do, which can cause them to have diarrhea or vomit. But what if your cat vomits up white foam? Is this a serious issue? The main reason cats throw up white foam is that their stomachs are empty.

Read on to learn about why your cat may be throwing up white foam.

Bones Feathers And Rodent Pelts

While snacking on a catch, such as a bird or a rodent, a cat can accidentally ingest parts of the animal it cant digest. Undigested food can cause a blockage in the gastrointestinal tract and are usually more difficult to treat than other obstructions.


There are several reasons your cat might vomit white foam. While some reasons are not a cause for concern, it is important to be vigilant and watch for signs that suggest that there may be a more serious underlying cause. The general rule is that if in doubt, contact your vet.


  • Can Cats Eat Cheese? 2021. Vets Now. March 24, 2021.
  • Fries, Wendy C. 2009. Cats and Dairy: Get the Facts. WebMD. WebMD. July 17, 2009.
  • 2019. Healthy Cats Guide: Diet and Nutrition Tips. WebMD. 2019.
  • Vomiting in Cats. 2021. Vca_corporate. 2021.

Have you seen your cat throwing up white foam? What did you do? Let us know in the comments below!

As well as working in clinic, Linda is an online vet for www. where she has been providing online advice for thousands of owners since 2018.

In her spare time, Linda enjoys baking, yoga and running around after her young son!


Learn more about Linda here

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Your Cat Ate Something That Doesnt Agree With Her

Dont be surprised when your cat throws up something she just ate. Her cat food may consist of low-grade rendered meats that her stomach cannot handle, or she may simply be allergic to one of its ingredients. Sometimes, the type of fooddry or wetmay also be the culprit. Determine which particular brand of cat food or cat treat is causing your cat to vomit. If it is your cats first time trying something new, limit her intake to a tiny portion. If she doesnt throw it up, you can proceed to feed her a bit more the next time around.

When it comes to human food, cats should not be allowed to consume everything we eat. Go through our growing list of can cats eat entries to discover all the cat-safe food she can safely eat and drink. Cashew milk,baked beans, and honey are some examples of human food you must avoid giving to your cat.

When Should You Be Concerned About Your Cat Throwing Up White Foam

Why is Your Cat Throwing Up White Foam? (6 Causes to Know!)

A single episode of vomiting isnt necessarily serious, as long as your cat is eating well and acting otherwise normally. After a single, isolated episode of vomiting that is not accompanied by any other clinical signs, you can probably hold off on calling your veterinarian. Monitor your cat closely, ensuring that there are no further episodes of vomiting or other signs of illness.

If your cats vomiting persists for longer than 24 hours, or if you notice other signs of illness , your cat needs to be evaluated by a veterinarian.

There are many potential causes of vomiting in cats. Trying to figure out the cause of your cats vomiting by yourself, or through internet research, is likely to be an exercise in futility. A physical examination and laboratory tests are usually needed to determine the cause of a cats vomiting.

In addition to arriving at a diagnosis, your veterinarian can treat potential complications of vomiting. Repeated vomiting can lead to dehydration, requiring fluid therapy for rehydration. Additionally, vomiting cats can develop hepatic lipidosis if they do not eat adequate amounts of food. Your veterinarian can assess your cats hydration, determine whether fluid therapy is needed, and address your cats vomiting to prevent further fluid loss and reduce the risk of hepatic lipidosis.

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Digestive Disorder / Internal Disease

This section is more on the serious side, so please pay close attention to each and every detail! The digestive disorder can refer to stomach inflammation and any sort of stomach irritation due to its failure to digest some sort of food.

Internal diseases can refer to a problem with the internal glands, diabetes, allergic reaction, and even hereditary diseases. This sort of problem requires professional assistance, and the most common symptoms are regular throw-ups.

Solutions to Digestive Disorder

Since your cat needs professional care, the best solution to this problem is to seek a nearby vet. Through various physical examinations and tests, your veterinarian will be able to find the answer that you are looking for!

For any sort of a temporary measure, you can try to implement digestive supplements to add to your cats diet. The probiotics for cats include the necessary ingredients and healthy bacteria that prevent diarrhea and any sort of vomiting.

Dietary Indiscretions Or Eating Too Fast

In the wild, cats didnt eat multiple times a day or even once a day.

They sometimes had access to food one or two times a week, so their digestive tract adapted to that.

These days, though, cats that are pets have food at their disposal all the time.

That is why they might end up suffering from obesity, for example, something that wild cats almost never develop.

But along with food being so readily available comes the tendency to overeat.

Even if the food does manage to get digested, the stomach might get too extended, and nausea might appear as a result of the local discomfort.

The same applies to situations where the cat eats too fast in this case, along with the white foam, some of the food will be thrown up, too.

Setting a clear feeding routine for your cat is the best way to solve this issue.

Also, do not feed your cat human food as it is not safe.

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Cat Throwing Up White Foam

If you have seen this happen on somewhat of a regular basis, you might tend to worry about your cat throwing up some sort of foam on the floor. Even though there are some unnatural causes, dont worry too much since cats have a habit of throwing up.

Most cats do this action to clean their digestive tract and internal organs, and in this post, we will be looking at the general causes of cats that are throwing up white foam. Remember, it doesnt always have to be white foam since it can be of varying colors.

Work With Your Veterinarian

Why Do Cats Vomit? A Vet Explains How to Help

If you witness your cat throwing up white foam, consider whether this is an isolated or recurrent issue. A single episode of vomiting can occur for any number of reasons, and may not always require veterinary care if your cat is otherwise acting normal.

However, repeated episodes of vomiting, or vomiting accompanied by other signs of illness, warrants a veterinary visit. Work with your veterinarian to determine the cause of your cats vomiting, as well as the best treatment.

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Your Cat Has Eaten Too Fast

When your cat gets too excited to eat her meal, she may gobble up everything on her dish in seconds. Running around or playing with her immediately after she eats may cause her to throw up what shes just eaten. If this has happened before, limit her movement and playtime after meals and consider feeding her smaller meals throughout the day.

Lorde Slow Feeder Cat Bowls

You can also make her use non-conventional cat feeders that slow down her eating, such as maze-shaped bowls or automatic feeders. You can also spread out her food on a baking tray and add physical, non-edible obstacles like ping pong or golf balls. She will need to push the balls around to get to her food, giving her time to digest each bite.

When Should You Be Concerned

If your cat throws up white foam once and goes back to their usual activity, its probably nothing to be worried about. If your cat vomits white or yellow foam, be sure that you are feeding them regularly, as this could indicate they have an upset stomach from being irregularly fed.

If your cat is vomiting over the course of 24 hours, especially if its in combination with other symptoms, like diarrhea, loss of appetite, and lethargy, check in with your vet as soon as you can.

They will perform a complete physical examination that may include running diagnostic tests. Tests might include blood work, a urinalysis, a fecal exam, and possibly X-rays and/or an ultrasound. This is all dependent on what your vet suspects might be the problem.

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Why Is My Cat Being Sick

Anything that irritates your cats stomach or prevents the contents of their stomach from moving through the digestive tract can cause vomiting. Reasons for a cat being sick include hair balls, eating too much or too quickly, eating new or unusual food, an allergic reaction to food and parasites. Other causes include gastrointestinal conditions, pancreatitis, heat stroke and ingesting poisonous substances. While some of these issues are mild, others will require emergency veterinary treatment.

Why is my cat being sick? is one of the most common questions our vets are asked. Short-term cat vomiting is generally for a mild reason and not a massive cause for concern, especially if your cats health is otherwise fine. This may be down to a mild tummy upset.

Long-term or severe cat vomiting is a far bigger concern and if your cat keeps throwing up or you think its something to worry about you should contact your vet or, out of hours, your nearest Vets Now pet emergency clinic, straight away.

If its not an emergency but you would like some advice you can book an online video consultation with our vets between 8am and 11pm every day. Learn more here.

Can I Give My Cat Pepto

What Does It Mean When Cats Throw Up White Foam

While Pepto-Bismol can be given to vomiting cats, we do not recommend it. This is because one of the active ingredients in Pepto-Bismol, when administered in excessive amounts, Aspirin can cause a toxic reaction in cats.

Determining the correct dosage for your cat can be very difficult, which is why we do not recommend giving Pepto-Bismol to your cat. If it is absolutely necessary for you to give Pepto-Bismol to your feline buddy, only do so under the directions of a vet.

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Treating Acute Vomiting In Cats

The first step in properly treating your cat for vomiting is identifying the underlying cause. First, your veterinarian will do noninvasive diagnostics. This includes:

  • A chemistry and CBC to screen for diseases such as kidney disease and diabetes.

  • A fecal exam to rule out parasites.

  • Abdominal radiographs to rule out larger tumors or foreign bodies that might be causing an obstruction.

If these tests are normal, and your cat is acutely vomiting, your veterinarian will likely recommend supportive treatments with anti-nausea medications.

Cats that vomit from hairballs can be placed on a special high-fiber diet along with a medication to help ease the passage of hairballs.

Can I Treat My Cats Vomiting At Home

There are no over-the-counter treatments that can be given at home to prevent or treat feline vomiting. Many human medications are toxic to cats, which can result in problems that are even worse than the vomiting that you are trying to treat. Resist the temptation to use home remedies. Instead, involve your veterinarian and follow their recommendations.

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What Should I Do If My Cat Vomits White Foam

Cat vomiting should never be ignored, whether your feline pet does it occasionally or regularly. List down all the symptoms you observe accompanying your cats vomiting incidents as well as probably causes. Then make sure to inform your vet about them.

Your doctor will run a thorough physical examination and run diagnostic tests such as blood test, urine test, X-ray test, and ultrasound. Depending on his diagnosis, your cat may be given an IV drip, antibiotics, or anti-vomiting medication. If the vet finds a large-sized foreign body in your cats stomach, surgery may be needed to remove it.

Do I Need To Bring My Cat To The Vet For Vomiting

Reasons Cats Throw Up and Ways to Treat a Vomiting Cat

Vomiting in cats is not normal, but neither does all vomit warrant a trip to the vet. Here is a simple diagram to help you decide if a vet visit is necessary.

The diagram isnt perfect, and if you think your cats vomiting doesnt fit in here, be safe and call your vet.

The more information we have about your cat the better, but here is a list of some things you can do prior to your visit:

  • Write down your cats feeding habits. What types and what brands of food are you feeding? How much? How often?

  • Take a picture of the puke. Gross? Yes, but incredibly useful.

  • Take note of how many times your cat has vomited in the last week with approximate times after eating if possible.

  • Make sure your kitty has fresh water to drink. Vomiting is dehydrating.

  • Question about the diet

    First, your vet is going to ask you for all of the information in the what should I do before an appointment section. For the most productive visit, come prepared with that information.

    Thorough examination

    Once in the room, your vet will thoroughly examine your cat for signs of blockages, masses, and constipation, unfortunately though, examinations dont tell us much about the state of your cats kidneys, blood glucose, thyroid, or intestines.

    Diagnostic testing


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    What Can I Do If My Cat Is Being Sick

    If your cat has been sick once or twice but otherwise appears well:

    • Remove food for two hours, but continue to provide water
    • After this time, try offering a teaspoon of their usual food or bland low-fat cooked food such as chicken or white fish
    • If they keep this down, offer small amounts every few hours for thenext 24 hours
    • Then go back to your usual routine

    If this does not resolve the sickness and you are concerned about your cat vomiting repeatedly, call your vet or, out of hours, your nearest Vet Now emergency clinic or 24/7 hospital immediately.

    You should also contact your vet if:

    • Your cat cannot keep water down
    • Has blood or unusual material in her vomit
    • Has pale or cold gums
    • Is displaying signs of listlessness, diarrhoea, fever, or another illness

    Treatment And Prevention Of Cat Vomiting White Foam

    Now that we know the most common reasons why a cat throws up white foam, we should know that the treatment will depend on whats going on inside the cat. White foam in the stomach is a symptom, so it wont be treated directly. Here are some ways to stop the white foam from coming up in the first place.

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    What Can I Give My Cat For Vomiting

    There are no over-the-counter medications that can be safely administered to a vomiting cat. If your cat vomits multiple times within a period of a week, contact your veterinarian to schedule an appointment for a physical examination. Your veterinarian will look for the underlying cause of your cats vomiting and may be able to prescribe anti-nausea drugs, if appropriate.

    Ms Midnights Happy Ending

    Noticed white foam in your cat

    As to Ms. Midnight? You did the right thing. After an exam, it was determined that she had lost almost half a pound since her last visit 6 months ago. She also had high blood pressure. The veterinarian did some bloodwork, and determined that she had an overactive thyroid. She was started on some medication for this, and almost immediately the vomiting completely resolved!

    A potentially fatal disease if left untreated was caught early and treated appropriately thanks to a few splats on the rug. Our cats really do speak to us and tell us their problems, it might just not always be in ways that we actually appreciate!

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