Why is My 5 Week Old Kitten Throwing Up: (5 Common Causes)

A new kitten is a great responsibility that can bring both joy and frustration. When your 5-week-old kitten starts vomiting, it’s one of the most upsetting things that may happen. 

Your 5-week-old kitten needs emergency medical attention if she has been throwing up frequently. Your kitten’s symptoms will become clear after a thorough examination by the vet.

They may also recommend specific treatment options, such as medication or dietary changes, to help alleviate their symptoms.

In the end, there are a number of possible causes for a 5-week-old kitten to be vomiting. Overfeeding, a change in diet, viral or bacterial infection, and hairballs are also all potential causes. 

Symptoms of a 5-Week-Old Kitten Throwing Up

Symptoms of a 5-Week-Old Kitten Throwing Up Kittens are adorable, playful, and full of energy. Still, they’re at risk for illness just like us. 

If your kitten is just five weeks old and has been vomiting, you may be worried about her health. Basically, kittens vomiting may signify a serious issue that needs immediate attention. 

In this blog, I’ll discuss the symptoms of a 5-week-old kitten throwing up and what you can do to help them.

Symptoms of a 5-week-old kitten throwing up


The most obvious symptom of a 5-week-old kitten throwing up is vomiting. If your kitten vomits once or twice, it may not be a cause for concern. But if your kitty throws up a lot, it could signify something more serious. 

 5-week-old kitten is throwing up
Cats throwing up

Loss of appetite: 

It could indicate an underlying issue if the kitten shows disinterest in eating or stops eating altogether. Loss of appetite can be a symptom of many health conditions, including gastrointestinal problems.


If your kitten has diarrhea and vomiting, it could indicate a more serious health condition. Diarrhea can also cause dehydration, which can be dangerous for kittens.


If your kitten is not as active as they usually are and seems lethargic, it could be a sign of a health problem. Kittens are known for their energy and playfulness, so if your kitten is not acting like their usual self, it could be a cause for concern.


If your kitten is vomiting frequently, it may become dehydrated. Dehydration can be dangerous for kittens and can cause other health problems. So signs of dehydration include dry mouth, sunken eyes, and lethargy.

What to do if your 5-week-old kitten is throwing up

If you notice any of the symptoms mentioned above, it is important to take your kitten to the vet right away. Your vet can also diagnose the underlying health condition and provide the appropriate treatment.

In the meantime, it is important to make sure your kitten stays hydrated. Offer them water or Pedialyte to help prevent dehydration. You can also offer them wet food, which will help keep them hydrated.

What to do if your 5-week-old kitten is throwing up
What to do if your 5-week-old kitten is throwing up

It is also important to keep your kitten comfortable. Make sure they have a quiet, calm place to rest. Avoid giving them any new foods or treats that could further upset their stomach.

Keep your kitten hydrated and comfortable while you wait for your vet appointment. With proper care and treatment, your kitten will be back to their playful self in no time.

Home Remedies for a 5 Week Old Kitten Throwing Up

As a new kitten owner, it can be alarming to see your furry friend throwing up. While it’s always best to consult with a veterinarian, there are some home remedies you can try to help your 5-week-old kitten feel better. 

First and foremost, it’s important to identify the cause of your kitten’s vomiting. Common reasons include eating also quickly, eating something they shouldn’t have, or having a stomach virus. 

If your kitten is exhibiting any other symptoms, such as diarrhea or lethargy, it’s best to contact your vet right away.

Assuming your kitten is otherwise healthy, here are some home remedies to try:

1. Offer a bland diet.

For the first 24 hours after vomiting, offer your kitten a bland diet of boiled chicken, fish, and white rice. It will help calm their stomach and prevent further vomiting.

2. Keep your kitten hydrated.

Make sure your kitten has access to plenty of water. If they’re not drinking independently, you may need to use a dropper or syringe to give them small amounts of water throughout the day.

3. Try small, frequent meals.

Once your kitten’s vomiting has subsided, try offering them small, frequent meals throughout the day. It will help keep their stomach from getting too full and prevent further vomiting.

4. Give them a little bit of honey.

Honey is a natural anti-inflammatory and can help soothe your kitten’s upset stomach. Offer them a small amount on a spoon or mixed with their food.

5. Use a heating pad.

If your kitten feels lethargic, a warm heating pad can help soothe them and make them more comfortable. Just be sure to monitor them closely to make sure they don’t get too warm.

It’s important to remember that while these home remedies can be helpful, they should always maintain proper veterinary care. 

In summary, seeing your 5-week old kitten throwing up can be scary, but there are steps you can take at home to help them feel better. 

You should monitor your kitten closely and consult your vet if you have any concerns. With proper care and attention, your kitten will be back to their playful, happy self in no time.

When to Seek Veterinary Care

When to Seek Veterinary Care: What to Do When Your 5 Week Old Kitten is Throwing Up. As a pet owner, it’s important to know when to seek veterinary care for your furry friend. 

It is especially true for young animals, like 5-week-old kittens. If your kitten is throwing up, there could be a number of underlying health issues that require immediate attention.

When to Seek Veterinary Care
When to Seek Veterinary Care

Here are some common reasons why a 5-week-old kitten might be throwing up:


Kittens have tiny stomachs and can only eat small amounts at a time. If you’re overfeeding your kitten, they may be throwing up.

Food allergies: 

Some kittens may have allergies to certain types of food, which can cause vomiting.


Parasites, such as worms, can cause digestive issues, including vomiting.


Kittens are prone to infections; if left untreated, they can cause vomiting, diarrhea, and other health issues.

If you notice that your 5-week old kitten is throwing up, it’s important to seek veterinary care immediately.

However, your veterinarian will be able to determine the underlying cause of the vomiting and recommend the appropriate treatment.

Moreover, seeking veterinary care, there are some things you can do at home to help your kitten feel better.

Here are a few tips:

1. Limit food and water:

If your kitten is throwing up, limit their food and water intake until you can speak with your veterinarian.

2. Keep them hydrated:

Offer your kitten small amounts of water frequently to help keep them hydrated.

3. Keep them warm:

Kittens can easily become chilled, so keep them warm and comfortable.

4. Monitor their behavior:

Keep an eye on your kitten’s behavior and let your veterinarian know if you notice any changes.

Remember, if your 5-week old kitten is throwing up, it’s important to seek veterinary care immediately. So, With proper treatment, your kitten can recover and return to their playful and curious self in no time.

Kitten throwing up milk replacer

If you have a kitten that is throwing up a milk replacer, it’s important to take action to ensure the health and well-being of the kitten. Here are a few steps you can take:

  • Check the temperature: Ensure the milk replacer is at an appropriate temperature. It should be warm, but not hot. Test it on your wrist to ensure it’s not too hot for the kitten.
  • Slow down the feeding: If the kitten consumes the milk replacer too quickly, it may be causing them to vomit. Try feeding smaller amounts more frequently to see if that helps.
  • Consider a different formula: Some kittens may have difficulty digesting certain types of milk replacers. Try switching to a different brand or formulation to see if that makes a difference.
  • Consult a veterinarian: If the vomiting persists or if the kitten shows signs of illness or discomfort, it’s important to consult a veterinarian. They can provide a proper diagnosis and recommend appropriate treatment options.

Cat yowling before vomiting

If your cat is yowling before vomiting, it could indicate that they are experiencing discomfort or distress. Besides, Cats may vocalize in various ways to express pain, discomfort, or even anxiety. Here are a few possible reasons for this behavior:

Nausea or digestive issues: 

Cats may yowl or make distressing sounds before vomiting if they are experiencing stomach upset or gastrointestinal problems. It could be due to eating something that doesn’t agree with them, such as spoiled food or foreign objects.


Cats often groom themselves, and during this process, they ingest loose hair. If the hair doesn’t pass through its digestive system properly, it can form hairballs. Cats may vocalize before expelling a hairball through vomiting.

Stress or anxiety: 

Cats can be sensitive creatures, and stress or anxiety can manifest in various ways, including vocalization. If your cat is feeling anxious or stressed, it may yowl before vomiting to respond to its emotional state.

Medical conditions: 

Certain medical conditions, such as kidney disease, gastrointestinal disorders, or urinary tract problems, can cause cats to vocalize before vomiting. 

You must monitor your cat’s overall health and behavior and consult a veterinarian if you have concerns.

If your cat’s behavior is concerning or vomiting frequently, it’s best to consult a veterinarian for a proper diagnosis and treatment. 

The vet can perform a thorough examination and provide guidance specific to your cat’s needs.

Cat vomiting after neuter

As a cat parent, it can be concerning to see your feline friend vomiting after being neuteredWe’ll explore cat vomiting after neutering, meowing or crying before vomiting, and even a 5-week-old kitten vomiting in this blog post. Why is my cat vomiting after neuter?

Cat vomiting after neuter
Cat vomiting after neuter

Basically, neutering is a common surgical procedure that removes a male cat’s testicles. It is a routine procedure with a low risk of complications. 

But it can cause some discomfort and changes in behavior for the cat, including nausea and vomiting.

It is a routine procedure with a low risk of complications, but it can cause some discomfort and changes in behavior for the cat, including nausea and vomiting.

FAQs (Frequently Asked Questions)

Can kittens vomit due to overeating? 

Yes, overeating can overwhelm a kitten’s small stomach, leading to vomiting. Feeding controlled portions at regular intervals can help prevent this.

How can I reduce stress in my 5-week-old kitten? 

Creating a calm and secure environment, gradually introducing changes, and providing a quiet space for your kitten can help reduce stress and minimize vomiting.

Is vomiting in kittens always a sign of something serious? 

Vomiting can have various causes, some of which may require immediate attention. While occasional vomiting can be normal, persistent or severe vomiting should be evaluated by a veterinarian.

What should I do if my kitten ingests a foreign object? 

If you suspect that your kitten has ingested a foreign object, contact a veterinarian immediately. Prompt action is necessary to prevent complications.

How often should I deworm my 5-week-old kitten? 

Regular deworming under the guidance of a veterinarian is important for kittens. While, follow the recommended deworming schedule to maintain their digestive health and prevent vomiting caused by intestinal parasites.


In the end, if your 5-week-old kitten starts vomiting, you need to act quickly to prevent more harm. Young kittens that suddenly start vomiting are probably experiencing a number of health problems.

In the meantime, you should quickly schedule an appointment with a veterinarian. The animal’s vet necessary tests and make an accurate diagnosis.

Meanwhile, keeping a close eye on the kitten’s demeanor and health is essential. Make sure the kitten has plenty of clean water to drink.

At last, Always consult your vet for the most up-to-date and accurate information regarding your kitten’s health. It would help if you minded that expert advice can give your 5-week-old kitten the greatest life.

About The Author

Jeremy D. Bissell

I've been researching and writing about cat food for over ten years, and I've learned a lot about the different types of food available and the nutritional needs of cats. I want to use this blog to help cat owners make informed decisions about their cats' diets

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