Food safety · 2 min read

Can cats eat Crisps?

No — dangerous

No. Crisps are too salty for cats and often contain onion powder, garlic powder, or 'seasonings' that are toxic. Even plain salted crisps exceed a cat's safe sodium intake from a single handful.

If your cat has just eaten crisps

  1. Move your cat away from the crisps.
  2. Don't induce vomiting at home — this is dangerous in cats.
  3. Call your vet or out-of-hours emergency vet immediately.
  4. If you can't reach a vet, call the Animal PoisonLine on 01202 509000 — 24/7, charges apply.
  5. Note how much crisps was eaten, when, and your cat's weight.

What's the full picture?

A single standard 25 g bag of ready salted crisps contains 200–400 mg of sodium. A cat's safe daily intake is around 40 mg, so one bag exceeds the day's limit by 5–10 times.

Flavoured crisps add specific toxins. Cheese & onion, prawn cocktail, salt & vinegar, roast chicken (often contains onion/garlic powder), and smoky bacon all have problematic flavouring. Pickled onion flavour is the worst offender.

A cat that licks the inside of an empty crisp packet won't get a toxic dose from residue, but if they've eaten crisps directly, check the flavour and call your vet if alliums are involved.

Symptoms to watch for

0–6 hours
Excessive thirst, vomiting.
6–72 hours
If onion/garlic flavouring: pale gums, lethargy (haemolytic anaemia developing).

If you're worried right now

Call your vet or out-of-hours emergency vet first. For poison advice, the Animal PoisonLine (UK) is on 01202 509000 — 24/7, charges apply. Your vet can also call the Veterinary Poisons Information Service (VPIS) directly.

Garlic no Onions no Popcorn caution Potato caution Rice cakes caution Salt no

About this guidance

Every entry on this site is compiled from published UK veterinary toxicology sources — International Cat Care, Veterinary Poisons Information Service (VPIS) references, RCVS-registered practice materials, and peer-reviewed feline medicine literature. Where the evidence is mixed, we err on the cautious side because cats are unusually sensitive to many common substances that are harmless to humans and even to dogs.

This is general information written for UK cat owners. It is not personalised veterinary advice for your specific cat, their age, weight, medical history, or the exact exposure you're dealing with. If your cat has eaten something or is unwell, call your vet first. The Animal PoisonLine on 01202 509000 is available 24/7 for a small fee and can tell you whether an emergency visit is needed.

Entries are reviewed and updated as new research emerges. Spotted an error? Let us know — corrections are investigated and applied within 24 hours. For more context on how we work, see about and our full disclaimer.

Last reviewed: · By the What Can My Cat Eat? editorial team

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