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Why Is My Cat Throwing Up (Clear Liquid)? What Should I Do?

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| Updated: May 3, 2023
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If you are a cat owner, you have probably seen your cat throw up at some point. Cats are notorious for vomiting, especially when they eat too fast, swallow a hairball, or ingest something they shouldn’t. But what if your cat is throwing up clear liquid? Is that normal or a sign of something more serious?

In this article, we will explain what clear liquid vomit is, what are some possible reasons for it, and what you can do to help your cat feel better. We will also give you some tips on preventing your cat from vomiting clear liquid in the future and when to seek veterinary attention.

What is Clear Liquid Vomit?

Clear liquid vomit is exactly what it sounds like, a clear or slightly cloudy fluid that comes out of your cat’s mouth. It may or may not have some foam or bubbles in it. It usually does not contain any food particles or blood.

Clear liquid vomit is different from undigested food vomit, which is usually chunky and has some color and smell to it. It is also different from bile vomit, which is yellow or green and has a bitter taste.

Clear liquid vomit is mostly composed of water and hydrochloric acid, which are produced by your cat’s stomach to help digest food. When your cat vomits clear liquid, it means there is no food in the stomach or the food has already moved to the intestines.

Why Does My Cat Throw Up Clear Liquid?

There are many possible reasons why your cat may throw up clear liquid. Some of them are harmless and temporary, while others may indicate a more serious health condition. Here are some of the most common causes of clear liquid vomit in cats:

Hairballs

Cats are clean animals that groom themselves regularly. When they do, they swallow some of their dead hair, which can accumulate in their stomachs and form hairballs. Hairballs can irritate the stomach lining and cause your cat to vomit clear liquid. This is more common in long-haired cats and cats that shed a lot.

Eating too fast

Some cats are greedy eaters who gobble up their food in seconds. This can cause them to swallow too much air along with their food, which can make them feel bloated and nauseous. They may then regurgitate some of the air and water from their stomachs as clear liquid.

Dietary changes

If you have recently changed your cat’s diet or introduced a new type of food, your cat may not tolerate it well. Some cats have sensitive stomachs or intestinal sensitivities that make them react poorly to certain ingredients or flavors. They may vomit clear liquid as a way of rejecting the new food.

Foreign objects

Cats are curious creatures exploring their environment and playing with different objects. Sometimes, they may swallow something that is not edible, such as a piece of string, a toy, a plant, or a toxic substance. These foreign objects can get stuck in their digestive tract and cause obstruction or irritation. Your cat may vomit clear liquid as a result of discomfort or pain.

Stress

Cats are sensitive animals who can get stressed by various factors, such as loud noises, unfamiliar people or animals, changes in routine, or lack of attention. Stress can affect your cat’s digestive system and cause them to vomit clear liquid to cope with the anxiety.

Medical issues

Sometimes, vomiting clear liquid can be a symptom of an underlying medical issue that affects your cat’s digestive system or other organs. Some of these conditions include:

  • Inflammatory bowel disease (IBD)
  • Diabetes mellitus
  • Kidney disease
  • Hyperthyroidism
  • Pancreatitis

What to Do If Your Cat Throws Up Clear Liquid?

If your cat throws up clear liquid once in a while and does not show any other signs of illness, you may not need to worry too much. It may be a normal reaction to something your cat ate or a minor upset stomach. However, you should still monitor your cat closely and ensure they drink enough water to prevent dehydration.

You can also try some of these home remedies to help your cat feel better:

  • Offer small and frequent meals: If your cat has an empty stomach, it may be more prone to vomiting clear liquid. You can try to feed them small and frequent meals throughout the day to keep their stomach full and reduce acidity. You can also try to moisten their dry food with water or broth to make it easier to digest.
  • Change their diet: If you suspect that your cat’s diet is causing them to vomit clear liquid, you can try to switch to a different type of food or a special diet that is more gentle on their stomach. You can consult your veterinarian for recommendations on what kind of food is best for your cat’s condition.
  • Brush their coat: If your cat is vomiting clear liquid because of hairballs, you can help them by brushing their coat regularly to remove the excess hair. You can also give them some hairball remedies that are available in pet stores or online. These products can help lubricate the hairballs and make them easier to pass through the digestive system.
  • Reduce their stress: If your cat is vomiting clear liquid because of stress, you can try to make them feel more comfortable and relaxed. You can provide them with a quiet and cozy place to rest, play with them and give them attention, and avoid any triggers that may cause them anxiety. You can also use some calming products that are available in pet stores or online. These products can help soothe your cat’s nerves and reduce their stress levels.

When to See a Veterinarian?

If your cat is vomiting clear liquid frequently or persistently, or if they show any other signs of illness, such as lethargy, fever, diarrhea, blood in vomit or stool, weight loss, loss of appetite, or dehydration, you should take them to see a veterinarian as soon as possible.

Your veterinarian will perform a physical examination and run some tests to determine the cause of your cat’s vomiting. They may also take some X-rays or ultrasound images to check for any foreign objects or obstructions in the digestive tract.

Depending on the diagnosis, your veterinarian will prescribe the appropriate treatment options for your cat. Some of these options may include:

  • Medications
  • Fluid therapy
  • Surgery
  • Supportive care

How to Prevent Your Cat from Throwing Up Clear Liquid?

While you cannot prevent all cases of vomiting clear liquid in cats, you can take some steps to reduce the risk and frequency of it happening. Here are some tips on how to prevent your cat from throwing up clear liquid:

  • Feed them high-quality food.
  • Feed them in moderation.
  • Keep them hydrated.
  • Groom them regularly.
  • Keep them away from harmful substances.
  • Reduce their stress.

Conclusion

Vomiting clear liquid is not uncommon in cats, but it can be a cause for concern if it happens frequently or persistently. It can indicate a variety of issues, ranging from minor to serious, that affect your cat’s digestive system or other organs.

If your cat throws up clear liquid once in a while and does not show any other signs of illness, you may not need to worry too much. It may be a normal reaction to something your cat ate or a minor upset stomach. However, you should still monitor your cat closely and ensure they drink enough water to prevent dehydration.

You can also take some steps to prevent your cat from throwing up clear liquid in the future, such as feeding them high-quality food in moderation, keeping them hydrated, grooming them regularly, reducing their stress, and keeping them away from harmful substances.

Vomiting clear liquid is not a pleasant experience for you or your cat, but it does not have to be scary. Understanding what it means and what to do about it can help your cat recover faster and stay healthier.

We hope this article has been helpful and informative for you. If you have any questions or comments about cats throwing up clear liquid, feel free to leave them below. We would love to hear from you!

Related

FAQ

Q: How to tell if my cat is dehydrated from vomiting?

A: You can check your cat’s hydration status by gently pinching the skin on the back of its neck and releasing it. If the skin snaps back quickly, your cat is well hydrated. If the skin stays up or goes down slowly, your cat is dehydrated and needs fluids.

Q: What should I feed my cat after they vomit?

A: You should feed your cat a bland and easily digestible diet after they vomit clear liquid. You can try boiled chicken or turkey with rice or oatmeal or a commercially canned food that is low in fat and high in moisture. You should avoid dairy products, spicy foods, or anything that may further upset your cat’s stomach.

Q: How do I stop my cat from eating too fast and vomiting?

A: You can prevent your cat from eating too fast and vomiting clear liquid by using a slow feeder bowl or a food puzzle that makes them work for their food. You can also divide their food into smaller portions and feed them more frequently throughout the day. You can also avoid feeding them right before, after exercise, or during playtime to prevent motion sickness.

  • Vomiting | Cornell University College of Veterinary Medicine
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