Can cats eat cashews?
Not recommendedBest avoided — cashews aren't toxic to cats, but the fat, salt, and choking risk outweigh any benefit for an obligate carnivore.
Reviewed by the Webvet Veterinarian Team · Last reviewed June 26, 2026
Can Cats Eat Cashews?
Cashews are best avoided for cats. They are not classically toxic the way a grape or an onion is, so a single nut licked or nibbled off the floor is not a poisoning emergency, but there is genuinely no good reason to offer them. Cats are obligate carnivores, and a fatty, often salty tree nut gives an eight to ten pound meat eater nothing it needs while quietly adding real risks: stomach upset, too much sodium, and the choking or blockage hazard of a whole hard nut. If your cat is begging for a treat, a small piece of plain cooked meat is a far safer and more appropriate choice.
- 1Cashews are not recommended for cats. They are not toxic, but the fat, salt, and choking risk outweigh any benefit for an obligate carnivore.
- 2Cats get no meaningful nutrition from cashews. They need animal protein and cannot use plant fats and carbs the way people do.
- 3A whole cashew is a genuine choking and blockage hazard for a small cat, and salted or flavored cashews add far too much sodium.
- 4One nut swallowed by accident rarely causes more than mild stomach upset. Watch for vomiting or diarrhea and call your vet if it persists.
- 5Reach for a meat-based treat instead: plain cooked chicken, a little cooked egg, or plain cooked fish.
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Are cashews safe for cats?
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Plain cashews sit in an awkward middle ground. Unlike macadamia nuts, which are toxic to pets, or the onion and garlic that turn up in so many seasoned snacks, a plain unsalted cashew contains no compound that is known to poison cats. That is why most veterinary sources describe cashews as low risk rather than dangerous, and why a cat who steals one off the counter almost never needs emergency care.
The problem is not acute poisoning. It is that a cashew is simply the wrong food for a cat's body. Cashews are extremely calorie and fat dense, with roughly 553 calories and 44 grams of fat per 100 grams, and a cat's digestive system is built to break down meat, not to process a load of plant fat. Give a cat a couple of nuts and you are far more likely to see an upset stomach than any benefit. Add the salt, oils, or coatings found on most store-bought cashews and the case against them only gets stronger. So while the honest answer to whether cashews are safe is closer to not harmful in a tiny amount than dangerous, the better question is whether they are worth offering at all, and the answer to that is no.
Why cashews offer cats no real benefit
People eat cashews for their protein, healthy fats, and minerals like magnesium and copper. It is tempting to assume those same nutrients help a cat, but that logic does not carry over. Cats are obligate carnivores, which means their bodies are specialized to get protein and fat from animal tissue. They need certain nutrients, such as taurine and preformed vitamin A, in forms that only meat reliably provides, and they lack the metabolic machinery to make good use of the plant proteins and fats in a nut.
Cats also cannot taste sweetness and have little use for carbohydrates, so the appeal a cashew holds for us is largely lost on them. When a cat does seem interested in a cashew, it is usually the fat, the salt, or the crunch that draws them in, not any nutritional instinct. Whatever protein a cashew carries arrives in a package of fat and calories that a small carnivore does not need, and it displaces the animal protein that should be the foundation of every meal. In short, there is nothing in a cashew that a cat cannot get more safely and completely from a proper meat-based diet or a meat-based treat.
The risks of feeding cashews to cats
Even though cashews are not poisonous, three practical problems make them a poor treat. The first is fat. A cashew is nearly half fat by weight, and a cat's stomach is not designed to handle a rich, greasy load. The result can be vomiting, diarrhea, or a bout of gas, and in a cat prone to it, a fatty snack can help set off pancreatitis, a painful inflammation of the pancreas that sometimes needs veterinary treatment.
The second problem is salt. Most cashews you buy are salted or seasoned, and cats are far more sensitive to sodium than we are because of their small size. A dose of salt that would not register for a person can be a lot for a body that weighs eight to ten pounds, and too much sodium leaves a cat thirsty at best and, in larger amounts, can contribute to more serious upset. The third problem is the physical one: a whole cashew is hard, dense, and just the right size to lodge in a small throat or gut, making it a genuine choking hazard and, if swallowed whole, a possible blockage. Mixed-nut assortments carry an added danger, because they may contain macadamia nuts, which are toxic.
| Concern | Why it matters for cats |
|---|---|
| High fat (about 44g per 100g) | Can trigger vomiting, diarrhea, and, in susceptible cats, pancreatitis |
| Salt and seasonings | Small bodies are sensitive to sodium; onion or garlic coatings are toxic |
| Whole hard nut | Choking hazard and possible intestinal blockage, especially in small cats |
| No nutritional value | Plant protein and fat displace the animal protein a carnivore needs |
What about salted cashews, cashew butter, or cashew milk?
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The processed forms of cashew are generally worse for cats than the plain nut, not better. Salted and roasted cashews carry the sodium and often the oils that make an already fatty food harder on a cat's stomach, and honey-roasted or spiced varieties can hide onion powder, garlic powder, or a lot of added sugar that a cat has no way to use. None of these belong anywhere near a cat's bowl.
Cashew butter is smooth rather than a choking hazard, but it is concentrated fat, and a sticky spoonful is easy to overfeed, so it is not a good idea either. Cashew milk is different again: it is mostly water with very little actual cashew, but the commercial kind often contains added sugar, thickeners, or flavorings, and like all dairy alternatives it offers a cat nothing nutritionally. Many adult cats are also lactose intolerant, and while cashew milk is dairy free, the point stands that cats do not need any plant milk. A few laps of plain, unsweetened cashew milk are unlikely to harm a cat, but there is no reason to offer it. If you want to give your cat something to drink, fresh water is the only thing they truly need.
What to do if your cat eats a cashew
If your cat sneaks a single plain cashew, there is usually no need to panic. Remove any remaining nuts so they cannot help themselves to more, and then simply keep an eye on them for the next day or so. The most likely outcome is nothing at all, or a bit of mild stomach upset such as one episode of vomiting or a loose stool as their body deals with the unfamiliar fat. Make sure fresh water is available and hold off on other treats while their stomach settles.
Call your veterinarian if your cat ate a large number of cashews, if the nuts were heavily salted or seasoned, or if you notice repeated vomiting, ongoing diarrhea, a swollen or painful belly, lethargy, or any sign of choking such as gagging, pawing at the mouth, or trouble breathing. These can point to sodium trouble, a fatty stomach upset tipping toward pancreatitis, or a blockage, all of which are worth a professional opinion. When in doubt, the Pet Poison Helpline at 855-764-7661 and the ASPCA Animal Poison Control Center at 888-426-4435 are available around the clock.
Better treats for cats
Because cats are carnivores, the best treats are the ones that mirror what they would eat in the wild: small amounts of plain, cooked animal protein. A little plain cooked chicken, torn into tiny shreds with no salt, oil, or seasoning, is a favorite that actually gives your cat protein it can use. A small flake of plain cooked fish works the same way, as does a bit of cooked egg, which is easy to digest and rich in protein. These beat any nut because they satisfy a cat's meat-eating instinct without the fat, salt, and choking risk.
Since this one is off the menu, give the thing a cat is actually built to eat. Freeze-dried meat, one ingredient, nothing else.
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A lick of plain, unsalted meat baby food (check that it contains no onion or garlic powder) makes another easy, cat-friendly snack, and a small amount of cooked egg is a gentle, protein-rich option too. If you would rather keep things simple, a quality commercial cat treat is formulated specifically for feline nutrition and portioned to fit their needs. Whichever route you choose, keep treats to no more than about ten percent of your cat's daily calories so their complete, balanced cat food still does the heavy lifting. Offer any new treat in a tiny amount first and watch how your cat handles it before making it a regular thing.
Frequently asked questions
Frequently Asked Questions
What happens if my cat eats a cashew?
A single plain cashew usually causes nothing worse than mild stomach upset, such as a little vomiting or a loose stool from the unfamiliar fat. Take away any remaining nuts, offer fresh water, and watch your cat for a day. Call your vet if the nuts were salted, if your cat ate several, or if you see repeated vomiting, a painful belly, or signs of choking.
Are cashews toxic to cats?
No, plain cashews are not classically toxic to cats the way macadamia nuts, onion, or garlic are. That does not make them a good idea. The high fat, the salt on most cashews, and the choking risk of a whole nut mean they are best avoided even though they will not poison your cat.
What nuts can cats not eat?
Macadamia nuts are the biggest concern and should be kept away from cats entirely. Beyond that, most nuts, including cashews, almonds, pistachios, and walnuts, are too high in fat and salt to be a healthy treat, and any of them can be a choking hazard. As a rule, nuts are not a cat food, so it is safest to skip them all.
Can cats drink cashew milk?
A few laps of plain, unsweetened cashew milk are unlikely to harm a cat, but there is no reason to offer it. Commercial versions often add sugar or flavorings, and cats gain nothing nutritionally from any plant milk. Fresh water is the only drink your cat actually needs.
Sources
Reviewed by the Webvet Veterinarian Team
General guidance based on credible veterinary sources — not a diagnosis or a substitute for your veterinarian. If your pet ate something toxic or is unwell, contact your vet or a pet poison line right away.