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Is fresh pineapple worse for my 13-year-old cat than canned pineapple, and how much fresh is safe?

Cats · Food safety

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

Short answer

Fresh pineapple is safer than canned pineapple for a senior cat because canned versions usually contain added syrup and excess sugar. Offer only small pieces of fresh, ripe pineapple flesh — skip the spiky skin and tough core entirely. Two or three small bite-sized pieces are plenty for a 13-year-old cat. Too much pineapple, fresh or canned, will cause diarrhea because of the natural sugars and acidity. Watch for vomiting or loose stool, and call your own vet if anything seems off.

Pineapple — Food safety facts

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

Safe in small fresh pieces. Skip the spiky skin and core. Too much causes diarrhoea.

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

Pineapple 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.

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

Open the full food page: Pineapple food facts →