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My 3.5 kg cat slipped a teaspoon of leftover guacamole from my tortilla bowl an hour ago — should I worry?

Cats · Food safety

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

Short answer

Mild risk only, but watch her closely tonight. The avocado base is fine in that tiny amount, but guacamole almost always contains onion and garlic, which are toxic to cats. Look for vomiting, diarrhea, or unusual sleepiness over the next 12 hours, and call your own vet if anything seems off.

Guacamole — Food safety facts

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

Avocado base plus onion, garlic, lime and chilli. Every one of those is a problem.

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

Guacamole 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

Garlic and onion damage a pet's red blood cells and can bring on anaemia. Signs are often delayed for several days, so looking fine straight afterwards does not rule it out.

Guacamole can turn up now and then, but not as a daily habit: keep the rest of the day's food unchanged and watch the litter box and how quickly they finish the next meal.

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

Open the full food page: Guacamole food facts →