Cat Throwing Up Clear Liquid? What Does It Mean? Leave a comment

Cat throwing up clear liquid is very concerning and you should contact your veterinarian. The issue may be quickly solved in several situations, although there are occasions where there is a need to run multiple examines to rule out any health concerns. Vomiting in itself is not an illness, just a significant indication in the animal’s body that there may be something wrong.

Recommended Read: Cat’s Breath Smells Like Fish. What Gives?

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Cat Throwing Up Clear Liquid

You can contact the vet if your cat has been throwing up clear liquid for a few days already. There are several reasons to throw up, like parasites, indigestion, stress, or hairballs in the digestive tract.

Gastrointestinal tract obstruction, thyroid or kidney disorders, pancreatitis, inflammatory bowel disease (IBD), or even cancer are among the most severe cases. But what could be causing your cat to throw up clear liquid?

Causes For Throwing Up Clear Liquid In Cats


Grooming is part of the daily routine of a cat. It maintains their coat of hair clean and safe. With hooked ends, a cat’s tongue has fur-like projections that extract loose and dead fur while grooming. Much of the hair moves without any complications across the digestive tract when ingested, although others will linger within the stomach and get twisted to form hairballs.

The appearance of hairballs may irritate the stomach, and this can ultimately trigger the nausea reflex. Cats throw up clear liquid just before hairballs. Occasional hairball vomiting is not necessarily a reason for alarm, but if hairball vomiting is regular, complicated, or unpleasant for cats, it’s not usual.

Frequent hair brushing extracts loose and dead hair until your cat can swallow it. There are also nutritional supplements that are designed to help keep hairballs from developing. Introducing a high-fiber diet will also help minimize hairballs.

Changes In The Cat’s Diet

A sudden change in your cat’s feeding schedule can cause them to vomit undigested food and transparent liquid. Learn how to properly transition their food. Transitioning food slowly can result in fewer digestive issues. It is recommended that you contact your vet before doing so if you plan on introducing new cat food.  

The adjustment time should be 1-2 weeks long. You offer increasing amounts of the latest cat food during this period while reducing your pet’s current food volume. Instead of mixing them, experts suggest putting the food in separate bowls. You should avoid feeding them fresh food if your cat goes off-food and decides to offer his regular cat food.

With the stomach’s food content, eating too quickly can also cause cats to vomit clear liquid. If an underlying medical issue does not induce vomiting, a particular diet may be prescribed for the cat by your veterinarian.

Food puzzles, particularly for cats with chronic episodes of vomiting, may also help. Playing with food puzzles can stop the cat from eating too quickly and from vomiting eventually. One way to cope with a cat feeding too fast or too much is to turn the cat’s food bowl into a slow feeder.


The buildup of hydrochloric acid that irritates the stomach typically induces indigestion in cats. Special cells in the gut contain hydrochloric acid to aid in the digestive process, much like humans. The buildup of HCl in the stomach may contribute to indigestion when a cat skips a meal, leading them to vomit yellow foam, along with white foam.

If you suspect it’s indigestion, aim to split your pet’s regular food ration into many smaller meals and feed your cat at particular times during the day to keep HCl from building up in the stomach.


A cat will also eat stuff that is not considered food, contributing to stomach discomfort and cause the cat to throw up clear liquid. In extreme situations, vomitus can include blood or bile. Gastritis-affected cats can also feel lethargic, exhausted, have a decline in appetite, and become dehydrated.


The clear fluid liquid can also be found in cats with nausea related to chemotherapy, asthma, renal failure, among other severe conditions.

Ingestion Of Poison

If you see your cat ingesting a toxic substance, you should take your cat to your vet as soon as possible, well before signs appear. The antidote may need to be administered to reverse the symptoms of the poison. Vomiting could be caused, based on the diagnosis by your vet, whether your pet will require his stomach pumped. To reduce the toxin’s effects, your veterinarian may also prescribe activated charcoal.

The involvement of parasites, gastroenteritis, constipation, and ingested foreign substance that produced a blockage somewhere in the digestive tract, and metabolic diseases such as renal failure, hyperthyroidism, or diabetes are likely causes of cats throwing up clear liquids.

What Is Clear Vomit?

Simple vomit of liquid will look exactly as described by the name. It’s either a transparent liquid or white foam often. Owing to the color and no solid things in it, such as pet food, feathers, or hair, you may differentiate this vomit from other forms. There are various explanations for why a cat may vomit clear liquid.

This could contain hairballs and slight indigestion from consuming too much or inadequately. The intake of harmful chemicals or severe medical problems such as hyperthyroidism, cancer, diabetes, or renal failure are sources to cats vomiting transparent liquid.

Cat Throwing Up Yellow Liquid

Stomach acids and bile are usually made up of yellow-colored vomit. Stomach acids are formed in the stomach lining to help digestion. Bile is a liquid formed and deposited in the gallbladder in the liver. To better aid with digestion, it reaches the duodenum (located just below the stomach).

It is often because the stomach is empty that cats spit yellow liquid. The acids irritate the lining of the intestine and cause the cat to vomit. This explains why, when they are starving, some cats can vomit. However, several illnesses cause cats to vomit, so do not ignore your pet’s yellow vomit.

Moreover, yellow liquid may not only be stomach acid and bile; it may be because your cat has consumed something yellow in color and is unable to absorb it properly.

How Do You Comfort A Sick Cat?

A sick cat requires lots of sleep and rest. To help them heal, offer them a peaceful space away from noisy sounds and distractions. To ensure they will recover safely, you can try having your cat in a private space in your home.

Cat Throwing Up Water And White Foam

A disturbing sight could be your cat throwing up white foamy vomit. So, it’s essential to determine if your cat is continuously or occasionally purging its stomach. For an accurate diagnosis, other associated signs are often key.

White foam generally happens because the stomach or intestines of the cat have become inflamed. Usual causes of inflammation include furballs, parasites, and food allergies. Occasionally, foamy cat vomit is correlated with some organ disorders, such as the pancreas (pancreatitis).

Recommended Read: 5 Best Cat Foods for Sensitive Stomach Review 2021


Clear vomit (or other colors) is often combined with diarrhea; in this situation, for about 12 hours, eliminate all food (but leave out water) to allow Kitty’s body to purge all that triggers trauma. You should start adding little pieces of bland food, such as advanced pet food, chicken, or rice, for example, till something improves.

Bear in mind, however, that this uncomfortable mixture may easily contribute to dehydration. Check your cat for signs of dehydration, including dry or pale gums and “skin tenting.” Pull up the skin between her shoulder blades gently and check for skin tenting; the skin of a well-hydrated cat should spring back in place.

However, if she’s dehydrated, her skin can go back even more slowly into shape. Call the vet; you will need to carry your thirsty feline in for a shot of essential hydration.

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