Vets Warn: Stop Giving Milk to Your Cat Before This Happens

Every cat loves milk, right?
And as pet parents, we love to give them treats like “milk” to keep them happy.
But what if I told you that milk is an incredibly deceptive food for cats, and instead of being healthy for them, it’s harming them?
Vets are now sounding the alarm and begging cat parents to be wary of giving milk to their cats, as it could lead to severe stomach issues and make cats extremely sick.
Image credit: Instagram@remyandcobybritishshorthairs
Why Milk is Harmful?
After kittens are weaned – around weeks 6 to 12, they stop producing lactase, the enzyme that’s responsible for breaking down lactose.
So, without it, the lactose doesn’t break in their tummy hence giving them bloating or stomach ache or worse diarrhea.
Over time, repeated milk feeding can lead to dehydration, nutrient loss, and even dangerous electrolyte imbalances.
Cow’s milk also isn’t nutritionally suited for cats—it’s missing essential nutrients like taurine and contains excess fat and calories that can contribute to weight gain.
Image credit: Instagram@mango_turkeybum
Health Risks of Giving Milk to Cats
Even though milk looks harmless and our cats love it, but it can give severe health risks to them such as:
1. Digestive Distress That Escalates Quickly
Most adult cats develop vomiting, diarrhea, bloating, and gas shortly after consuming milk, thanks to lactose intolerance.
According to Central Texas Veterinary Specialists, milk “can lead to digestive issues and other health concerns for your feline friend.”
2. Dehydration and Electrolyte Imbalances
Milk can often lead to diarrhea in cats, which leads to severe dehydration. This leads to the loss of vital minerals in their body and also causes electrolyte imbalances.
3. Excessive weight gain and long-term health issues
Milk packs a lot of fat and excess calories which leads to excessive weight gain in cats.
According to Pawlicy, obesity opens the door to serious health problems—from chronic inflammation and joint issues to urinary, respiratory, and cardiovascular disorders.
4. Pre-existing conditions can get aggravated by milk
If your cat is already suffering from a pre-existing condition such as kidney disease, milk can make it worse by causing dehydration.
Image credit: Instagram@jessiethenotsolittlecat
Why Cats Love Milk Anyway
Before we completely banish milk from their lives, it’s worth asking – why do they love it anyway?
Why is it such a treat for them?
For starters, milk is creamy and high in fat. Cats think of themselves as wild animals living in a jungle. So, having a high-calorie, dense food can give them energy for a long time.
Secondly, milk reminds them of nursing. It reminds them of the comfort they used to feel when they were kittens. So they love drinking it to feel comfortable.
On top of that, cats are curious creatures. Anything new in their bowl—especially something that smells and tastes different from water—will likely get a taste test.
The key takeaway? Your cat’s love for milk isn’t proof it’s good for them—it’s simply their instincts talking.
Image credit: Instagram@lulu_themainecoon
Safe and Healthy Alternative to Milk
Just because they can’t drink milk doesn’t mean we can’t give them good food and treats.
1. Simple, clean water
It sounds boring but water is the best drink for your cat and their stomach. Keep a bowl filled with water at all times and have a water fountain to encourage them to drink more.
2. Lactose-free “cat milk”
This should be an occasional treat and not a daily dose. It’s easier to digest and won’t cause stomach upset that regular milk can.
3. Homemade bone broth (unsalted)
A small bowl of warm, unsalted chicken or beef bone broth can be a cozy, nutrient-rich treat. It provides hydration, minerals, and a comforting aroma cats love. Always avoid onions, garlic, or seasoning—they’re toxic to cats.
4. Wet cat foods
If you want to spoil your cat further you can give them a spoon or two of wet cat foods to keep them in a happy mood.
5. Frozen cat treats
For warm days, freeze small portions of wet cat food or cat-safe broth in ice cube trays. It’s a fun, cooling snack that keeps them entertained and hydrated.
Image credit: Instagram@rubythefold
Conclusion
As cat parents, we love our little babies.
And love spoiling them and giving treats.
But we must know what’s healthy and dangerous for them as well.
That innocent saucer of milk might look like a loving gesture, but for most cats, it’s an invitation to discomfort, dehydration, and long-term health problems.
And as their parents, it’s our job to not just spoil them but also to make sure they’re healthy for a long time.
So next time you want to spoil your cat, know there are countless other alternatives than simply giving them milk.