Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Can Kittens Drink Milk? Vet-Verified Nutrition Facts & FAQ

Share

Can Kittens Drink Milk

There are plenty of feline stereotypes. For example, cats have a reputation for being curious and aloof, which is more or less accurate. Another common stereotype is that kittens love to drink milk, specifically cow’s milk.

So, can kittens drink milk? While they may enjoy cow’s milk, many cat owners operate under the misconception that cow’s milk is good for their pets. Cow’s milk is not appropriate for kittens, and feeding it to your kitten can result in serious health issues. In this article, we will discuss why kittens shouldn’t drink cow’s milk and the possible side effects of drinking it, so keep reading to learn more.

divider 2 cats

Why Can’t Kittens Drink Cow’s Milk?

Cow’s milk is not healthy for kittens or adult cats. Most felines do not have the enzymes necessary to break down the sugar lactose, which is abundant in cow’s milk. Drinking cow’s milk may cause your cat to suffer digestive issues.

Kittens do drink milk, but not cow’s milk. Kittens are born ready to digest their mother’s milk, so milk from a cat is perfectly safe for kittens. However, around 8 weeks of age, most kittens start to lose their ability to digest even cat’s milk and begin consuming food they will eat as adults.

mother cat nursing kittens in a box
Image Credit: Azami Adiputera, Shutterstock

Dangers of Feeding Cow Milk to Kittens

As mentioned before, feeding cow’s milk to your kitten or adult cat can lead to gastrointestinal problems due to their inability to digest lactose. Their lack of necessary enzymes to break down cow’s milk can lead to diarrhea, vomiting, and gas shortly after consumption.

In severe cases, it can lead to rapid dehydration. Dehydration is a medical emergency that can impede your kitten’s ability to perform normal bodily functions. If you suspect your kitten is dehydrated, immediately take them to your vet or local emergency clinic.

If an adult cat consumes cow’s milk, they may experience similar abdominal discomfort. The real danger is the long-term effects of prolonged feeding since cow’s milk is high in fat that may contribute to obesity.

Can Kittens Drink Milk Alternatives?

Now that you know cow’s milk is entirely off the table, you may wonder what milk can kittens drink safely? For example, can kittens drink goat’s milk? What about soy milk, almond milk, and other forms of milk?

Much like with cow’s milk, feeding any form of milk to your cat is unnecessary. The cow milk alternatives are often high in fat, which can lead to weight gain. They also contain oils, sugars, or thickeners that cause severe gastrointestinal distress.

Many types of milk also have high levels of additives and preservatives. Furthermore, they are not nutritionally balanced for feline consumption. The only milk that your kitten should drink is their mother’s milk when age appropriate.

Woman feeding newborn kitten with bottle of milk over white background
Image Credit: KayaMe, Shutterstock

Can Kittens Drink Milk Formulas?

Cow’s milk and other forms of milk are out of the question. But what about milk formulas? Milk formulas can be an excellent option for growing kittens as long as they are developed with feline consumption in mind.

Ideally, kittens will be nursed by their mother and will have no need for a milk formula. However, orphaned or abandoned kittens will need nutrition in the form of milk.

divider 2 cats

Frequently Asked Questions (FAQ)

It can be difficult to fully understand how cow’s milk or other types of milk truly impact cats, especially in a culture that perpetuates the idea that cats can and should drink milk. To learn more about the relationship between milk and cats, take a look at the frequently asked questions below.

Are All Cats Lactose Intolerant?

Many cats are lactose intolerant; however, not all of them are. Some can process lactose better than others, allowing them to digest cow’s milk without experiencing gastrointestinal problems. If your cat has ingested cow’s milk, monitor them for the next 12 hours.

They are likely lactose intolerant if they display signs such as diarrhea, vomiting, flatulence, or abdominal discomfort. If they do not show any signs, it is possible that they are not.

Regardless of your cat’s lactose intolerance (or lack thereof), cow’s milk is still not a healthy choice. It is high in fat, and if consumed frequently, it can lead to obesity. Therefore, keeping cow’s milk off the menu is the best choice for your cat.

grey cat getting a belly rub
Image Credit: Anna Hoychuk, Shutterstock

Should You Seek Veterinary Care if Your Kitten Drinks Cow’s Milk?

Accidents happen; sometimes, your curious kitten gets their nose into something they shouldn’t have. If your kitten has lapped up cow’s milk, your response will depend on how much they ingested and how they are responding.

If they only drank a small amount and appear to be experiencing mild gastrointestinal issues, continue to monitor them. Their digestive issues will likely resolve within 24 hours.

However, veterinary care is necessary if your kitten consumes large amounts of milk and has been sick for longer than 24 hours. This is also true if your kitten cannot stay hydrated or appears to be weak.

What Can You Give Your Cat to Drink?

If cats can’t drink cow’s milk, what can you give them to drink? The only liquid that your cat should drink is water. After your kitten weans off their mother’s milk, there aren’t many reasons for you to provide them with drinks other than water.

If your cat doesn’t drink from their dish enough, you can try using a different bowl, clean and refresh the water frequently, or provide water from a fountain.

divider 3 paws

Conclusion

Despite the stereotypes, cow’s milk is unsuitable for kittens or cats. Cow’s milk can present many dangers to your kitten’s health, such as digestive distress and dehydration. Now that you know the risks of feeding cow’s milk to your kitten, you can avoid falling victim to the common misconception that cats need to drink milk.


Featured Image Credit: New Africa, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Catster's Digital Magazine is Back!

Vet-approved health & behavior advice

Real cat stories & community features

When a Cat Becomes a Water Fountain – Why Cats Vomit After Drinking

Seeing a cat drink water and then promptly bring it back up can be confusing. Sometimes the explanation is fairly simple, particularly if...

Chatting About Sleeping Positions, Loafing & Cats in Tubes | Chatty Cattys, Episode 33

In this episode of Catster’s Chatty Cattys podcast, Dr. Karyn and Nicole dive deep into the fascinating world of feline sleep behaviors. From...

The Bite Stuff: The Truth Behind a Cat’s Sudden Nip

A cat bite that seems to come out of nowhere is one of the more confusing things a cat owner deals with. Everything...

Your Cat’s Purr Proves They’re One of a Kind

There are few sounds more comforting to a cat parent than the familiar rumble of a purring cat. You probably know your own...

More related

Can Cats Eat Goldfish Crackers? Vet Approved Facts & FAQ

Feeding time comes with numerous questions about what and how to feed your pet. Is it okay to give them human food? Can...

What Can I Give My Cat for Pain at Home? Our Vet Discusses 10 Home Remedies

Alleviating your cat’s pain is generally achieved through the use of pain medications prescribed by a veterinarian. However, there are other ways to...

Ragdoll Kittens for Sale in Tennessee: Breeders List 2026

Excited Cats advocates for adopting before shopping, though we fully understand there are many reasons for seeking a breeder. So, we encourage it...

Do Cats Have a Gag Reflex? Facts, FAQ & What the Science Says

If you’re a cat parent, you’ve likely come across your cat hunched over and gagging at some point. Often, this gagging will be...

Keep reading

How to Become a Cat Breeder: Vet-Reviewed Ethics & Standards Explained

Catster advocates for adopting before shopping, though we fully understand there are many reasons for seeking a breeder. So, we encourage it to be done the right way. We have not personally visited or investigated all of the breeders below....

toyger kittens

4 Home Remedies for a Spider Bite on Your Cat – Our Expert Guide

Some cats love to investigate anything and everything, which sometimes includes spiders! Spider bites can be serious, so while there are home remedies that you can use to soothe adverse reactions, we recommend taking your cat to the vet for...

Cat Watches Spider

10 Best Foods for Pregnant Cats in 2026 – Reviews & Top Picks

When it comes to feeding a pregnant cat, it’s important to note that pregnant cats need special nutrition—they require extra protein, fat, and nutrients that the average adult feline doesn’t need. Therefore, you need to feed your pregnant cat a...

Pregnant british shorthair cat with expressive orange eyes waiting for Food

My Cat Is Aggressive Toward Guests: 5 Reasons Why and How to Stop It (Vet-Reviewed)

Cats are often reluctant to interact with visitors. Some hang back and monitor their environments until they become comfortable enough to join the activities. Others make themselves scarce and stay hidden until the coast is clear. Some cats also react...

Aggresive cat scratching a man

Why Is My Cat Chasing Their Tail? 8 Vet-Approved Reasons

It’s normal to see a dog chasing their tail, but do cats chase their tails as well? While many kittens and adult cats chase their tails for entertainment (both for themselves and for you), sometimes this behavior can be indicative...

curled cat's tail close up

Why Do Cats Bring You Their Toys? 8 Vet-Approved Reasons & FAQ

When you think of a pet bringing you toys to play with, you probably picture the wagging tail and doleful eyes of your dog. But many people don’t realize that cats often bring their owners their toys too. Not only...

two cats playing with a toy indoors

How to Tell If You’re Allergic to Cats: 7 Signs to Look For

As pet parents, we adore our feline friends, and owning a cat is a truly wonderful experience. Even though cats can be aloof, moody, and have a habit of doing whatever they please, they can also be loving, cuddly, sweet,...

girl sneezing near cat

Veterinary Technician Week — How and When Is It Celebrated?

Anyone who has ever had a pet knows how essential veterinarians are, as they help our pets feel better and even save their lives. But what about those unsung heroes who toil away in the background? Without vet techs, things...

cat vaccination

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.