Cat Health UK

Can Cats Eat Bananas?

Updated 18 October 2026 · Researched against PDSA, Cats Protection and International Cat Care guidance

!Only as a treat

A small piece is safe, but bananas are sugary and cats cannot taste sweetness — they are not drawn to fruit the way people assume.

Banana is not toxic to cats. The issue is that cats are carnivores with no nutritional need for fruit, and banana is starchy and sugary. A cat that fills up on banana eats less of the food it actually needs.

Cats lack the taste receptor for sweetness, so the appeal is texture rather than flavour. If your cat ignores fruit entirely, that is the normal cat response, not a problem.

What to watch for in the UK

If your cat has already eaten it

  1. A small piece: nothing to do.
  2. A large amount: watch for loose stools; the peel is indigestible and can cause vomiting.

Signs that need a vet, not watchful waiting

  • vomiting
  • diarrhoea
  • reduced appetite

Out of hours, use your practice's emergency number. If you can, take the packaging with you — the ingredient list often tells the vet more than the description does. This page explains risk; it cannot diagnose your cat, and it deliberately contains no doses or home treatments.

If your cat is already vomiting, see the cat vomiting guide. For the wider red-flag checklist, use sick cat symptoms. If a plant rather than a food is involved, the toxic plants checklist is the right page.

Related foods

Browse the full A–Z of 36 everyday foods.

Related guides

References

This guide is for general information only and is not a substitute for veterinary advice. If you are worried about your cat, contact your vet.