Can dogs eat raw onions?

January 15, 2022
Can dogs eat raw onions

Can dogs eat raw onions? Caring owners know that food from the human table is not suitable for pets. Although raw onions have a lot of useful properties, they contain vital elements. However, why can’t a dog eat raw onions? Raw onions are on the banned list for dogs. In this article, you will learn what happens if a dog eats onions.

Raw Onions as a cultivated plant are known for more than five thousand years. In ancient Greece, he was considered a sacred vegetable, a symbol of the Universe. In ancient Greek mythology you can find a legend that nymph Oneis (“unity”) was the center of all movement, to this center, like layers on an onion, were attached all the heavenly bodies. The god Pan was the son of the nymph Oneis and the god Zeus, and on holidays his figure was showered with raw onions, and the one who brought the biggest raw onion received a gift from the Delphic priests. The raw onion was also revered as a deity in ancient Egypt.

why can't a dog eat raw onions

People used to eat both the green leaves of the plant and its underground part. Green and raw onion are added to almost all dishes – salads, soups, main courses, sauces, and baked goods; it improves the taste of dishes and delivers nutrients to the body.

– Check out the best Chewy dog food brands in this page.

Composition of raw onion

Green raw onion leaves (“feathers”) contain sugars, proteins, vitamin C (ascorbic acid). These are vital substances for any living organism.

Raw onions contain:



Up to 14% sugars, among which are sucrose, fructose, maltose, inulin (polysaccharide). Their presence is the reason for the sweetish taste of raw onions



Up to 2% proteins

Vitamin C


High in Vitamin C

Vitamin B6


Raw onions contain the highest content of vitamin B6.

  • Minerals – salts of potassium, iron, phosphorus, iodine, etc;
  • Flavonoids (quercetin). They protect the heart, brain and other body tissues, reduce the risk of chronic cardiovascular disease, normalize blood pressure;
  • Saponins – complex organic compounds of natural glycosides, which have a number of useful properties – stimulate the production of enzymes and hormones in the body, clear the blood of fatty substances, etc.;
  • Essential oils;
  • Pectins;
  • Organic acids – malic, citric;
  • Phytoncides – kill many types of pathogenic bacteria, protozoa, and fungi.

Raw onions are a treasure trove of useful substances for the body, not for nothing they were honored already in antiquity. Even Hippocrates recommended eating them for gout and rheumatism, the famous Persian physician Avicenna wrote about the useful properties of raw onions back in the XI century.

What are the benefits of eating raw onions

  • raw onions increase bone density, reduces the risk of fractures;
  • reducing blood glucose levels, increasing insulin levels;
  • decrease the risk of cancer;
  • lower blood cholesterol levels, lower risk of heart disease.

Can dogs eat raw onions while pregnant?

their dog enjoys eating green onion feathers

Our specialist will help you understand why raw onion, with all its healing properties, is contraindicated for pets.

So, can dogs eat raw onions?

Some owners admit that their dog enjoys eating green onion feathers from the garden bed. At the same time, they have not noticed any serious consequences for the pet’s condition. Of course, the bodies of animals are different, and everyone’s susceptibility to negative factors is also different. Is it worth risking the health of a four-legged friend while pregnant and exposing it to danger?

Veterinarians consider all varieties of onions dangerous – both green and raw onions, as well as lettuce, shallots, leeks especially during dog pregnancy. Better feed your beloved pets with Kirkland premium foods. Discover the benefits of one of the Kirkland premium dog foods.

What happens if a dog eats onions?

Raw onions increase the acidity of gastric juice, but this is not its worst negative property. The danger comes from the organic sulfoxides in the plant. When raw onions are chewed, they break down in the animal’s body, and the resulting sulfur causes the destruction of red blood cells.

What happens if a dog eats onions

What happens if a dog eats onions? Anemia can develop in just a few days. Daily consumption of raw onions and garlic in any form by the dog can cause dangerous consequences. The rate at which the disease develops depends on the health of the animal, as well as on the breed – for large dogs, the toxic dose is higher than for small dogs.

What are the symptoms of a dog eating onions?

Symptoms of hemolytic anemia if the dog eats raw onions:

  • weakness;
  • depressed state;
  • rapid heartbeat;
  • refusal to eat;
  • vomiting;
  • diarrhea;
  • reddish or dark urine;
  • pale or bluish gums.

Raw onions contain thiosulfate. The dog’s body lacks the enzymes to digest it. This substance is toxic to dogs. The life-threatening number of onions raw is 15-30 g per 1 kg of body weight of the dog, and the negative effects may be noticeable even with a small amount of product eaten – 5 g of raw onions may be sufficient. Learn more about dangerous dog food: poisonous dog mushrooms and signs of Grape Poisoning in Dogs.

Symptoms dog onion poisoning

So, what happens if a dog eats onions? The main danger of raw onion poisoning is that its symptoms appear not immediately, but as toxins accumulate in the body. A dog may chew an onion in a bed or steal one from the table (a purple raw onion may seem like a treat to a pet – it’s not so bitter and has a pleasant, sweet taste), and 3-5 days later it suddenly becomes sick. The owner may not associate the symptoms of the disease with what the dog ate, or not know about it at all, and the dog will have:

  • loss of appetite;
  • vomiting;
  • diarrhea;
  • abdominal pain;
  • pallor of mucous membranes;
  • dermatitis;
  • choking.

If severely intoxicated, the veterinarian may diagnose liver damage. In large breed dogs the fatal outcome may not happen. Their body can cope with the negative effects of the product. But serious diseases of internal organs against the background of poisoning are not excluded.

Can dogs eat raw onions to boost immunity?

There is also the opposite point of view: some experts argue that raw onions and garlic increase immunity, so it may even be useful for dogs. In addition, they contain natural phytoncides, so that these products have a devastating effect on bacteria, viruses, as well as intestinal parasites. However, there is no scientific evidence to support this point of view, and statistics show that raw onion poisoning is not that rare.

– Hence, when do dog owners ask our best dog food expert “Can dogs eat raw onions”? The answer is obvious: No, dogs cannot eat raw onions and it is necessary to protect the dog from the possibility of chewing onions.

– Bismarck Rose, North Dakota

If a dog is poisoned after eating raw onion

There is no antidote, if the owner immediately pays attention to the first signs of poisoning, and even better – notices that the dog eats raw onions, it is necessary to go to the veterinary clinic as soon as possible. The very first veterinary care will be gastric lavage and the use of enterosorbents to help quickly bind and remove toxins from the body before they enter the bloodstream.

The veterinarian will likely take a blood test to help establish hemolytic anemia. If there are signs of an allergic reaction, the specialist will prescribe symptomatic treatment. With serious lesions of the body may require a blood transfusion, special drugs to restore liver function. The doctor will prescribe a special diet and monitor the condition of the animal for a long time.

Can dogs eat chicken broth with onions?

Can dogs eat chicken broth with onions

Dogs cannot be given raw onions; it is contraindicated as fresh, and in boiled, baked, and fried. Raw onions negatively affect the digestive, cardiovascular, and the nervous system of the pet. It can provoke high blood pressure, respiratory problems. Chicken broth can be given, only separately removing cooked onions from it.

Shanna Derrick About Author

Author of dog food articles with a deep understanding of healthy dog nutrition.

No Comments

    Leave a Reply

    error: Content is protected !!