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Can Dogs Eat Onions?

Can Dogs Eat Onions?

Every dog owner has faced the challenge of keeping their beloved pet safe and healthy. You might find yourself wondering about what foods are safe for your dog and what to avoid. One common kitchen staple that often raises eyebrows is the humble onion. While it adds flavour to our meals, it’s essential to know whether it’s safe for our canine companions.

Onions belong to the allium family, which includes garlic, leeks, and shallots. These vegetables contain compounds that can be toxic to dogs, leading to a condition called hemolytic anaemia. This is a fancy term that means the dog’s red blood cells can be damaged, making it hard for them to carry oxygen. According to the Pet Poison Helpline, even small amounts of onion can be harmful, especially if consumed regularly. In fact, a study published in the Journal of the American Veterinary Medical Association found that dogs who ingested onions showed significant changes in their blood cell counts, indicating potential toxicity.

So, what should you know about dogs and onions? Let’s dive into some common questions pet owners often have.

Can Dogs Eat Onions?

No, dogs should not eat onions. Even cooked onions can be harmful, as the toxic compounds remain present. It’s best to keep any onion-containing foods away from your dog.

What Happens if a Dog Eats Onions?

If a dog consumes onions, they may experience symptoms like vomiting, diarrhoea, weakness, and lethargy. In severe cases, it can lead to more serious health issues. If you suspect your dog has eaten onions, it’s crucial to contact your vet immediately.

How Much Onion is Toxic to Dogs?

Generally, as little as 15-30 grams of onion per kilogram of a dog’s body weight can be toxic. For a small dog, this can be as little as a few slices of onion. It’s always better to err on the side of caution and avoid giving any onion to your dog.

Are All Types of Onions Dangerous?

Yes, all types of onions are dangerous to dogs. This includes raw, cooked, dehydrated, and powdered forms. Garlic, which is also part of the allium family, is equally harmful, so it’s best to keep both out of your dog’s reach.

What Should I Do if My Dog Eats Onions?

If your dog has eaten onions, don’t panic. Remove any remaining onion from their reach and contact your vet for guidance. They may recommend inducing vomiting or bringing your dog in for treatment, depending on the amount consumed.

As a responsible pet owner, it’s essential to stay informed about what foods are safe for your dog. Many pet services, like those offered by PetCloud’s dog walkers, can help you keep an eye on your pet’s diet and well-being. Regular check-ins with professionals can help ensure your dog stays healthy and happy.

In summary, onions are not safe for dogs. They can cause serious health problems, and even small amounts can be harmful. Always be cautious about what you feed your pet, and consult your vet if you have any doubts. Keeping your dog safe means being informed and proactive about their health.

What other foods do you think should be on the “do not feed” list for dogs?


At PetCloud, we understand how crucial it is to keep your pets safe and healthy. Our platform connects you with trusted pet services, ensuring your furry friend gets the care they need. Whether you need a pet sitter, dog walker, or trainer, PetCloud can help you find the right service to support your pet’s well-being.

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