Are onions and garlic poisonous to dogs and cats?
Damage red blood cells in dogs and cats. Cats are especially sensitive.
Has your pet eaten some?
Call your vet. They can work out whether the amount is a risk for your pet’s size. Mention if it was a large amount, or eaten over several days.
Why it's a problem
Onions, garlic, leeks, chives and shallots, whether raw, cooked or powdered, damage red blood cells and can cause anaemia. Signs often don’t appear for a few days. Gravy, stuffing and some baby foods contain onion or garlic powder.
Signs to look out for
- Being sick or diarrhoea
- Tiredness or weakness
- Pale gums
- Fast breathing
- Red or brown pee
Getting help
Call your own vet first. If they're closed, their phone line will tell you who covers out of hours. The Animal PoisonLine (01202 509 000, a charge applies) gives 24-hour advice to owners.
This page is general guidance, not a diagnosis. Every pet is different, so always follow your vet's advice.