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My 2-kilogram domestic shorthair cat chewed on three raw pecans she found under the coffee table after a party — is this dangerous?

Cats · Food safety

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

Pecans are not classified as toxic to cats, but they are very high in fat and can sometimes carry mold that produces toxins. Even a few nuts could upset a small cat's stomach or trigger pancreatitis. Watch closely for vomiting, lethargy, or diarrhea over the next twelve hours, and contact your vet if those signs appear.

Pecans — Food safety facts

Feed with care · Cats · full breakdown on the linked food page

Very fatty and prone to mould. Not toxic, but not a good treat either.

Dogs and cats carry the same rating (Feed with care), so the notes below hold for either pet.

Pecans is not poisonous to cats, but it is easy to over-feed. Rich fat, salt or seasoning can bring on vomiting or diarrhoea within a day, and repeated large portions are a recognised trigger for pancreatitis.

If it ate some before you noticed, watch for vomiting, diarrhoea, loss of appetite, unusual tiredness or a painful, swollen abdomen over the next 24 hours. A one-off small amount in a healthy adult usually passes with water and rest; repeated exposure, a puppy or kitten, a senior, or a pet with an ongoing illness is a reason to call your vet the same day.

Why these cautions matter

Mouldy food can carry tremorgenic mycotoxins, which produce uncontrollable tremors and seizures rather than a simple stomach upset.

Rich, fatty food is the classic trigger for pancreatitis, a painful inflammation of the pancreas that usually needs veterinary treatment rather than rest alone.

The full verdict, portion guidance and serving notes are collected on the Pecans food facts page.

Open the full food page: Pecans food facts →