Is Onion Bad For Cats?

The Onion is a type of vegetable that cats are not supposed to eat. Is this true?

The “signs of onion poisoning in cats” is a question that is asked often. Cats are very sensitive to onions, so if they eat them they could be in for a world of trouble.

IMPORTANT: At, we regularly consult with licensed veterinarians and other industry experts. However, the information found on should not be viewed as veterinary advice. We do our best to help you better understand your cats, but the information on this blog is not a substitute for veterinary guidance.

How much onion is toxic to cats?

Cats are very sensitive to onion toxicity. Onions can cause a cats red blood cells to rupture, which is fatal. It is best not to feed your cat onions at all.

What happens if a cat eats a little onion?

If a cat eats a little onion, it will make its eyes water.

Can cats eat a little onion?

Cats can eat onions, but they should not be given too much. Too much onion can cause a stomach upset for cats.

Do cats like the smell of onions?

Cats dont like the smell of onions. They are not a fan of the taste either, so its best to keep them away from your onion-based dishes.

Can cat eat spring onion?

No, cats cannot eat spring onions.

Is onion and garlic bad for cats?

No, onions and garlic are not bad for cats.

How do you know if your cat has eaten onion?

If your cat has eaten onion, they will have a strong smell of onions in their breath.

Is green onion bad for cats?

The answer to this question is no.


Cats are curious creatures and they may be tempted to eat an onion. If your cat has eaten a small amount of onion, it is not harmful. However, if the cat eats too much onion, it could cause some serious problems. Reference: what to do if cat eats onion.

Watch This Video: