Can Cats Be Allergic to Peanut Butter – Is It Harmful?

Whenever you want your cat to try a new treat or medication, it may be tempting to hide those ingredients in peanut butter. Peanut butter is often an option for many cat owners because most people have it on hand. It’s sticky, so your cat can’t spit it out. But you stop to wonder, can cats can be allergic to peanut butter?

Cats can be allergic to peanut butter, especially if they have a nut allergy. Peanut butter and even peanuts or other nuts are not toxic to cats. Cats can have an allergy to nuts, like humans, so there is a chance that your cat can be allergic to peanut butter.

Nut allergies in cats are more common than most people think, but not all cats are allergic to nuts. If your cat doesn’t have an allergy, they can still technically eat nuts, though they aren’t the healthiest treat. Peanut butter is made from peanuts, so a nut allergy can be a concern for you. Since peanut butter is such a staple for so many people in the United States, let’s talk a little more about peanut butter. 

Can Cats Eat Peanut Butter

Technically speaking, yes, cats can eat peanut butter, but it might not be the best treat for your cat.

Peanut butter has a consistency like a paste and isn’t large like other things you may feed your other pets, for example. In other words, peanut butter isn’t so large that your cat might not be able to fit it in its mouth.

Keep in mind that peanut butter is sticky, which may make it stick to your cat’s mouth. This could potentially cause your cat to choke, so be careful.

Since peanut butter is sticky and thick, it might not be the best for your cat. In that case, a small amount of supervision may not pose any problems for your cat. 

Do Cats Like Peanut Butter

Many cats may eat peanut butter if offered to them, but that does not mean that all cats like peanut butter. 

If you’re giving medication to a dog, peanut butter is a good choice, but it probably isn’t the best snack for your cat. 

Peanut butter is a sticky consistency that can stick to the roof of a cat’s mouth. While it might keep them busy for a few minutes, it may be frustrating for them to get out of their mouth.

Plus, if your cats are anything like my cats, your cats might not like how messy peanut butter can get. It could end up coating their whiskers and paws, meaning that another cleaning session is in order. 

Is Peanut Butter Harmful To Cats

Peanut butter is not harmful to cats, but it also does not have any nutritional value for your furry friend. 

Peanut butter isn’t a food that is toxic to your cat, which is good news. No organizations like the ASPCA lists peanut butter as something harmful to your cat to eat. 

However, just because it isn’t harmful doesn’t mean it’s suddenly an excellent snack for your cat. Peanut butter does not add any nutritional value to your cat’s diet; it’s like empty calories. A lick here and there won’t hurt your cat, but it isn’t good to base your cat’s diet off foods that have no nutritional value. It can lead to unnecessary weight gain.

Can Peanut Butter Kill Cats

Peanut butter is not deadly to cats, but the choking hazard it poses for cats may be deadly for cats.

Peanut butter isn’t toxic for cats, so eating peanut butter won’t lead to your cat dying, which is the good news.

The bad news is that peanut butter is a risky substance for your cat to be eating. Peanut butter is thick and sticky, so it could stick to your cat’s mouth or throat and lead to choking. The texture of peanut butter will make it difficult to stop the choking, since it is not a solid object, like cat food, that is lodged in the throat. It’s no guarantee that your cat will choke on peanut butter, but it is possible. 

If you plan to give your cat peanut butter, make sure to supervise your cat as it eats. 

Can Cats Have Peanuts

Cats can have peanuts, but it is not a healthy treat for your cat to eat, much like peanut butter.

Peanuts aren’t much different than peanut butter for your cat. Peanuts aren’t poisonous to your cat either, but there is still not a lot of significant calories for your cat in peanuts. Eating too many could lead to weight gain or stomach issues if your cat is not used to eating them. 

On top of that, I would be concerned that peanuts are a choking hazard. The texture is different than cat food, so I worry that my cat would try to swallow it whole rather than chew it. 

Do Peanuts Kill Cats

Peanuts will not kill cats because peanuts are not toxic to cats.

As mentioned, eating a peanut will not kill your cat. Peanuts are not a toxic food for cats, which means that there is no severe side effect to eating them. Your cat eating a peanut you dropped won’t mean an emergency trip to the vet, thankfully. 

Your cat can, surprisingly, be allergic to peanuts, though. A peanut allergy also won’t be enough to kill your cat, but it is still not the best outcome for your cat. 

Can Cats Be Allergic To Nuts

Cats can be allergic to nuts, even if nuts are technically not toxic to cats. So, that is something to seriously consider if you do give them peanut butter.

Now here’s something I didn’t know: cats can be allergic to nuts, just like humans. The symptoms present themselves in some of the same ways as humans, but your cat may not experience its throat closing (thankfully!). 

Cats with a nut allergy will have intense itching on the head and ears and possibly sneezing. Other symptoms might include: 

  • Constant grooming (more than usual, even for a cat)
  • Irritated ears
  • Hair loss, most likely caused by excessive scratching
  • Diarrhea or vomiting

You wouldn’t think that your cat’s itching is due to a nut allergy. If you know your cat doesn’t have fleas but is still itching, maybe you can think about seeing if your cat has a nut allergy. 

What Is A Good Snack For A Cat

Peanut butter is not the safest snack option for cats. With that said, you may want to try something else that they can enjoy, and safely consume. If you want to give your cat a snack between its meals, you have many options:

  • Cat treats
  • Cooked meat, like chicken
  • Dry cat food (even if you replenish what’s in the bowl)

Your cat might become hungry between meals – just like you – so sometimes a snack is an essential part of your cat’s day. 

You may want to steer away from peanut butter, but if you insist on giving your furry friend people food, cooked meats, like chicken, are great alternatives. Otherwise, I suggest sticking to cat treats for a cat-approved snack. That way, you won’t have to worry about harmful ingredients. 

Peanut butter: you love it, and you might assume your cat will love it too. While peanut butter might be a great food to put your cat’s pill in, it isn’t a great food to introduce into your cat’s diet. Peanut butter isn’t necessarily harmful to your cat, but it doesn’t add anything to their diet. Next time you want to feed your cat something from your pantry or fridge, stick to the leftover chicken for a quick bite of human food. 


Welcome to FAQCats! We are a team of cat owners and writers who love to write about everything related to cats. We strive to provide the most accurate and helpful information about cats through extensive research and caring for our own fur-pals!

Recent Content