While nuts are high in nutritional quality and provide doses of joint-friendly Omega-3 fatty acids, they also contain large amounts of oils and fats that can be hard for your cat's digestive system to process. Avoid nuts like almonds, pecans, and walnuts so that you cat won't experience vomiting and diarrhea.

What nuts are poisonous to cats?

Nuts. Macadamia nuts are toxic to pets, and like grapes, the exact mechanism of toxicity is unknown. Other types of nuts, including almonds, pecans, and walnuts, are rich in oils and fats that can cause digestive upset and potentially even pancreatitis in cats.

What nuts can cats have?

It's probably best to keep macadamia nuts out of your kitty's reach. This type of nut can cause lethargy, vomiting, hyperthermia and tremors in cats. Some other types of nuts, such as walnuts, can also be toxic to felines.