My Cat Doesn’t Drink Water But Drinks Milk: What’s Going On?

By Cats and Purrs 13 Min Read

Let’s get real for a second. Cats are weird. Adorable, yes. But weird. One minute they’re knocking your favorite mug off the counter, and the next they’re staring at you like you’re the one who’s out of line. And then there’s the whole “my cat doesn’t drink water but drinks milk” thing.

Like, what’s up with that? Water is life, right? But your feline friend turns their nose up at it like it’s yesterday’s leftovers. Meanwhile, they’ll lap up milk like it’s the elixir of the gods.

If you’re scratching your head wondering why your cat is giving H2O the cold shoulder, you’re not alone. Let’s dive into this quirky behavior, break it down, and figure out what’s really going on.


Why My Cat Doesn’t Drink Water But Drinks Milk?

Milk is tasty. Like, really tasty. Even for cats. It’s creamy, it’s rich, and it’s got that whole comfort-food vibe going on. Water? Well, water’s just… water. It doesn’t exactly scream “party in a bowl.”

But here’s the thing: cats don’t actually need milk to survive. In fact, most adult cats are lactose intolerant. Yep, you heard that right. That bowl of milk you’re giving them might be the reason they’re leaving “presents” in your shoes later.

So why do they love it so much? It’s all about the flavor and the nostalgia. Kittens drink their mother’s milk, so that creamy goodness is associated with warmth, safety, and all things cozy. It’s like their version of mac and cheese.


Why Won’t My Cat Drink Water?

Cats are descendants of desert-dwelling ancestors who got most of their hydration from their prey. Think about it—when was the last time you saw a mouse carrying a water bottle? Exactly. Cats are hardwired to get their fluids from food, which is why they’re not always big on drinking plain water.

But here’s where it gets tricky. If your cat is turning their nose up at water, it could be for a few reasons:

The Bowl’s a Buzzkill.

Cats are picky. Like, really picky. If their water bowl is next to their food, they might not touch it.

In the wild, water near food could be contaminated, so your cat’s instincts are telling them to steer clear. Try moving the water bowl to a different spot and see if that helps.

Stale Water is a No-Go.

Cats have a keen sense of smell, and stale water? Yeah, that’s not doing it for them.

Make sure you’re refreshing their water daily. And if you really want to go the extra mile, consider a cat water fountain. The sound of running water can be super enticing.

They’re Just Not Thirsty. 

If your cat is eating wet food, they might already be getting enough hydration. Wet food is like a two-for-one deal—nutrition and water.

But if they’re on a dry food diet, not drinking enough water can lead to dehydration, which is a big no-no.


Is Milk Really Bad for Cats?

Milk isn’t toxic to cats, but it’s not exactly good for them either. As mentioned earlier, most adult cats are lactose intolerant. That means their bodies can’t properly digest lactose, the sugar found in milk. The result? An upset stomach, diarrhea, or worse.

But here’s the kicker: not all cats are the same. Some can handle a little milk now and then without any issues. If your cat is one of the lucky ones, a small amount of milk as an occasional treat probably won’t hurt.

Just don’t make it a daily thing. And if you’re really set on giving them something creamy, opt for lactose-free cat milk. Yes, that’s a thing.


How to Encourage Your Cat to Drink More Water

If your cat’s milk obsession is leaving you worried about their hydration, don’t panic. There are plenty of ways to get them to drink more water. Here are a few tips:

Switch to Wet Food. Wet food has a high moisture content, which can help keep your cat hydrated. Plus, it’s packed with flavor, so they’ll love it.

Invest in a Water Fountain. Cats are naturally drawn to running water. A fountain can make drinking water feel like a fun activity rather than a chore.

Add Some Flavor. Try adding a splash of tuna juice or chicken broth to their water. Just make sure it’s low-sodium and free of onions or garlic, which are toxic to cats.

Experiment with Different Bowls. Some cats prefer ceramic or stainless steel bowls over plastic. Others might like a wider, shallower bowl. It’s all about finding what works for your furry friend.


Can Milk Replace Water for Cats?

Short answer? Nope. Not even close. Milk might seem like a good alternative, but it’s not a substitute for water. Cats need water to survive, and milk just doesn’t cut it. Plus, as we mentioned earlier, most cats can’t digest lactose properly, so too much milk can lead to digestive issues like diarrhea or vomiting.

If your cat is refusing to drink water, it’s important to figure out why and address the issue. Milk might be a tasty treat, but it’s not a solution to dehydration.


What Happens If a Cat Only Drinks Milk?

If your cat is only drinking milk and not touching water, you’re looking at a potential health crisis. Cats need water to maintain their kidney function, regulate their body temperature, and keep their organs working properly.

Without enough water, they can become dehydrated, which can lead to serious health problems like urinary tract infections or kidney disease.

And let’s not forget the lactose issue. A diet of nothing but milk can wreak havoc on your cat’s digestive system, leading to stomach upset, diarrhea, and discomfort.

So while it might seem cute that your cat loves milk, it’s not something you want to encourage.


Is It Normal for My Cat to Never Drink Water?

Here’s the thing: cats are sneaky about their water intake. They might not drink from their bowl as often as you’d expect, but that doesn’t necessarily mean they’re not getting enough water.

If your cat is eating wet food, they’re probably getting a good amount of hydration from that. Wet food is about 70-80% water, so it’s a great way to keep your cat hydrated without them having to drink from a bowl.

That said, if your cat is on a dry food diet and you never see them drinking water, it’s worth paying attention. Dehydration is no joke, and cats are masters at hiding when something’s wrong.

Keep an eye out for signs like lethargy, dry gums, or sunken eyes, and consider talking to your vet if you’re concerned.

My Cat Doesn’t Drink Water But Eats Wet Food

If your cat is eating wet food but ignoring their water bowl, don’t panic. Wet food is packed with moisture, so your cat might be getting all the hydration they need from their meals.

That’s one of the reasons why so many vets recommend wet food over dry—it’s a great way to keep your cat hydrated without them having to drink extra water.

That said, it’s still a good idea to make sure fresh water is available at all times. Some cats are just picky about how and when they drink, so having options can help. Try a cat water fountain or experiment with different types of bowls to see what your cat prefers.


Cat Not Drinking Water, But Eating

If your cat is eating normally but not drinking water, it could be a sign that they’re getting enough moisture from their food. As we mentioned earlier, wet food is a great source of hydration, so your cat might not feel the need to drink extra water.

However, if your cat is eating dry food and not drinking water, that’s a red flag. Dry food has very little moisture, so cats need to drink water to make up for it. If your cat isn’t drinking, they could become dehydrated, which can lead to serious health issues.

Try adding a little water to their dry food or switching to wet food to see if that helps.


Cat Not Eating Much But Acting Normal

If your cat is eating less but otherwise seems fine, it might not be a cause for concern. Cats can be picky eaters, and their appetites can fluctuate for all sorts of reasons, like changes in the weather or stress.

That said, if your cat’s lack of appetite lasts more than a day or two, it’s worth keeping an eye on. Loss of appetite can be a sign of an underlying health issue, so it’s always better to be safe than sorry. If you’re worried, give your vet a call.

My Cat Doesn’t Want to Eat

If your cat is turning their nose up at their food, it’s time to play detective. Cats can be finicky eaters, but a sudden loss of appetite can also be a sign that something’s wrong. Here are a few things to consider:

  • Is the food fresh? Cats have a keen sense of smell, and stale food is a major turn-off.
  • Has anything changed? Cats are creatures of habit, and even small changes in their environment can throw them off.
  • Are they feeling okay? Loss of appetite can be a symptom of illness, so it’s important to rule out any health issues.

If your cat’s appetite doesn’t improve, it’s a good idea to consult your vet.


Cat Water Fountain: Worth It?

Absolutely. Cats are naturally drawn to running water, and a cat water fountain can make drinking water feel like a fun activity rather than a chore.

Plus, the constant circulation keeps the water fresh and oxygenated, which can make it more appealing to your cat. If your cat is a picky drinker, a fountain might be just what they need to stay hydrated.


The Bottom Line: What Should You Do?

At the end of the day, your cat’s health is what matters most. If they’re not drinking enough water, it’s important to figure out why and take steps to fix it. And while milk might seem like a harmless treat, it’s best to limit it or avoid it altogether.

Remember, every cat is different. What works for one might not work for another. The key is to pay attention to your cat’s behavior and make adjustments as needed. And hey, if all else fails, there’s no shame in consulting your vet. They’re the experts, after all.

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