Why Is My Cat Throwing Up Water?


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My cat throwing up water, What to do?

Cats can vomit for a multitude of reasons and what they vomit can be just as varied. However, clear water or liquids can be a sign of serious illness. Vomiting itself is what is considered a nonspecific symptom. It could be associated with a variety of health problems.

Some of these can include allergic reactions, internal obstructions, pancreatitis, heatstroke/hyperthermia, hypothermia, parasitic infections, liver disease, intoxication, stress, depression, or even anxiety. But what could be causing your cat to vomit water or clear liquid specifically?

It can be difficult to tell the difference between water and clear liquid. Clear liquid vomit is a sign that the cat is drawing fluid from the digestive tract.

Occasionally, if your cat vomits right after drinking a large amount of water, he will also vomit a clear liquid, the water he just drank. When a cat drinks too much water too quickly, the stomach fills with water, stretches, and enlarges causing the cat to vomit water.

Conditions that can cause increased thirst and consequently increased water consumption include kidney disease, hyperthyroidism, and diabetes mellitus. Other causes of a cat vomiting water include motion sickness, hairballs, gastritis, and more.

Possible causes of your cat vomiting clear liquid


Cats are naturally meticulously clean animals and groom themselves for much of their day. As your cat grooms itself, small hooked structures on its tongue catch loose, dead hair, which it then swallows.

Most of the hair passes through the digestive tract without problems, but sometimes the hair stays in the stomach and forms a hairball.

Cats usually vomit a clear liquid before a hairball. Although occasionally a cat vomiting clear liquid with a hairball may be normal and not a concern, it is important to note that hairballs should not be frequent, painful, or difficult for your cat to expel.

To help prevent hairballs in your cat, there are over-the-counter dietary supplements, either in chew or gel form.

Adopting a regular brushing schedule and making your cat comfortable with brushing can also help get rid of any loose fur on your cat's coat that she might otherwise ingest while grooming.

Food and dietary changes

When there is a change in your cat's feeding schedule, if your cat skips a meal or eats later than normal, your cat may vomit a clear liquid.

Also, you may have changed your cat's food too quickly. When switching your cat to a new diet, it is recommended to do so gradually over a period of one to two weeks, gradually decreasing the amount of current cat food while increasing the amount of new cat food.

Your cat may eat too fast and this can lead to clear vomit or clear vomit with the food present. If your cat is a regular 'scarf and vomit' cat or has intestinal sensitivities, that may be causing him to vomit partially digested or undigested food.

If your vet has ruled out other medical problems and thinks that what your cat is vomiting is actually food, he may want you to try a commercial food for sensitive systems on your cat.

If your cat is still struggling with vomiting on this special diet, he may want to put him on a strict hydrolyzed protein diet.

Your vet may also suggest food puzzles for your cat. Food puzzles are a great source of play and enrichment for your cat. More and more manufactured food puzzles are available on the market that stimulates your cat's foraging and predatory instincts.

However, the added benefit of food puzzles for a cat that chronically vomits its food is that it slows down the feeding time so that a cat cannot eat too quickly and then becomes ill from it.


Similar to people, a cat's stomach produces various gastric juices and hydrochloric acid to digest its food. However, if a cat skips a meal for any reason, or if it doesn't feed on time, that buildup of juice and acid can irritate the stomach and cause your cat to vomit.

Cats with indigestion may vomit clear liquid, yellow foam, and white foam. If you and your vet suspect that your cat's vomiting is due to indigestion, your vet may suggest feeding him small, frequent meals at the same time throughout the day to ease any build-up of stomach acid.


If your cat is one of those who get into things that he should not, it is possible that his stomach has been irritated by something he has eaten.

When this happens, you may see vomiting of clear fluid in addition to vomiting of blood and/or bile. Your cat may also have a decreased appetite, a depressed attitude, lethargy, or dehydration. Your vet will know what to do if your cat is vomiting due to gastritis.

  • Some other causes may include
  • Parasites
  • Constipation
  • A blockage of foreign material in the intestinal tract
  • Ingest a toxin
  • Metabolic disorders such as diabetes, kidney disease, and hyperthyroidism

What should I do if my cat vomits water?

Some cat owners may describe their cat as 'vomiting', but it should be noted that frequent vomiting is never normal for a cat. Vomiting more than once a week is definitely a sign of trouble.

If your cat vomits water or clear liquids multiple times and/or in conjunction with other symptoms such as poor appetite, weight loss, lethargy, or diarrhea, you should make an appointment with your veterinarian immediately.

Your vet will want to start with a physical exam, checking your cat's vital signs and feeling your cat's abdomen. After a thorough examination, your vet may also want to run some tests, including blood tests and X-rays.

Blood tests will check the functioning of your cat's organs, making sure there are no signs of liver or kidney disease, as well as your cat's red blood cell and platelet levels.

An X-ray study will look for any fluid in the abdomen that may be blood, and it may also show intestinal gas patterns that could be indicative of a blockage.

Depending on what your doctor finds, your cat may require hospitalization for fluid therapy and supportive care, or she may only need outpatient treatments and oral medications to return home.

If your vet suspects that your cat has an intestinal obstruction, your cat may require surgery to remove the obstruction.

Enjoy The Video Tutorial about Why Does My Cat Throw Up?

Source: Jackson Galaxy

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