Can Dogs Eat Onions? Effects of Onions for Dogs as a Dog Food

Can Dogs Eat Onions The Effects of Onion on Dogs

Absolutely not! Dogs can’t and should not eat onions as they are highly toxic. Feeding onions to dogs even in small quantities can lead to anemia or even death. All parts of the onion plant including the flesh, juice, leaves, or even powdered onion are harmful to dogs. Whether raw or cooked, fried or powdered, onions and other vegetables that are part of the allium family like garlic, leeks, and chives are equally toxic and thus should not be fed to dogs.

The toxicity of onion is a result of N-Propyl disulfide, a toxic compound present in these vegetables. It attaches oxygen molecules to a dog’s red blood cells, causing oxidative damage to the cells. This lowers the red cell’s ability to transport oxygen while tricking the dog’s body into believing the cell is an invader. This causes the body to fight and destroy the red blood cells.

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Can Dogs Eat Little Onions Safely?

Onion toxicity is dependent on the amount of onion that a dog consumes and the dog’s size. Generally, 100 grams of onion per 20kgs of a dog’s weight can lead to onion toxicity. This essentially means that a relatively little amount of onions can have fatal effects on small dogs.

Can dogs eat little onions safely?

No, dogs can’t eat little onions safely. This is because even small amounts of onion can lead to toxicity or death depending on the dog’s size. In addition, feeding little onions to dogs frequently can lead to toxin build-up which can slowly reach dangerous levels. 

Are little onions healthy for dogs?

No, little onions are not healthy for dogs. Although onions may have some benefits to dogs, the risks and dangers of this vegetable outweigh the benefits. It’s thus best to keep your dog away from onions.

Can little onions affect my dog’s mood?

Yes, little onions contain folate which can help reduce symptoms of depression, aid sleep, and improve a dog’s mood. However, onions are highly toxic, and feeding them is dangerous to dogs.

Can Dogs Eat Cooked Onions Safely? 

Just like raw onions, cooked onions are toxic to dogs. Cooking or frying does not impact the safety of onions. As such, cooked onions are as poisonous as raw onions due to their harmful effect on a dog’s red blood cells.

Can dogs eat cooked onions safely?

No, dogs cannot eat cooked onions safely. This is because cooking does not reduce the toxicity of onions. Feeding cooked onions to dogs can lead to hemolytic anemia or even death if not properly handled. 

Are cooked onions healthy for dogs?

No, cooked onions are not healthy for dogs. Feeding onions in any form, raw, cooked, fried, or in powder form can lead to onion poisoning which can be fatal to dogs even in small amounts.

Can young or old dogs eat cooked onions?

No, onions are harmful to all dogs, young and old dogs included. Both young and old dogs have very sensitive digestive systems and can quickly react and get adverse effects from onions.

Can Dogs Eat Fried Onion Rings? 

Onion rings, fried, battered, and slathered in salt, are virtually irresistible not only to you but to your canine friend as well. However, this tasty treat is highly harmful to dogs and thus should never be fed.

Can dogs eat fried onion rings safely?

No, dogs cannot eat fried onion rings safely. These are, in fact, more harmful to a dog than raw onions. Besides hemolytic anemia, onion rings can cause dogs’ pancreatitis and other serious health conditions.

Is fried onion ring healthy for dogs?

No, fried onion rings are not healthy for dogs. Onion rings not only contain toxins that can harm your dog but they are also fried. Any fried food is, in general, a no-no for dogs. 

Can my Chihuahua dog puppies eat fried onion rings?

No, your chihuahua puppies cannot eat fried onions rings. Small dogs are at higher risk of onion toxicity than large dogs. As such, consuming even a single fried onion ring can cause hemolytic anemia in chihuahua puppies.

Can Dogs Eat Onion Powder? 

Onion powder is made by processing onions into fine powder.  Just like other varieties of onion, onion powder is toxic to dogs as it contains harmful compounds called disulfides.

Can dogs eat onion powder safely?

No, dogs can’t eat onion powder safely.  In fact, the powdered onion version is more toxic to dogs than raw onions. It should thus never be fed to dogs.

Is onion powder unhealthy for dogs?

Yes, onion powder is unhealthy for dogs due to the toxic N-propyl disulfide it contains. Feeding onion powder to dogs can quickly cause onion poisoning leading to red blood cell damage and consequently anemia in dogs. Symptoms of onion poisoning include:

  • Weakness
  • Fainting
  • Lethargy
  • Reddish urine
  • Low appetite
  • Pale gums

Can dogs with diarrhea or other diseases eat onion powder?

No, dogs with diarrhea or other diseases can’t eat onion powder. In fact, no dog should eat onion powder as this can cause fatal poisoning.

Can Dogs Eat Onion Chips? 

Onions chips may be a delicious treat to you but to your dog, it’s a different thing altogether. Onion chips are simply made from thinly sliced potatoes that are deep-fried and garnished with onions.

Can dogs eat onion chips safely?

No, dogs can’t eat onion chips safely. Besides the danger of poisoning presented by the onions, chips are high in fats which is equally dangerous.

What happens if my dog eats onion chips?

If your dog eats onion chips, it risks suffering from onion poisoning, leading to anemia. Chips are high in calories ad fats and can make your dog gain unhealthy weight or suffer from pancreatitis.

What do I do if my dog ate onions?

If your dog ate a small amount of onions, it might not have adverse effects. You should keep a keen eye on it and lookout for signs of onion poisoning, including pale gums, reddish urine, lethargy, and weakness. If it has consumed a large amount, it should seek veterinary care immediately. A vet will evaluate the dog for poisoning and determine the best treatment. 

What Else Can Dogs Eat together with Onions? 

Onions are highly toxic to dogs as they can lead to anemia resulting from the oxidative damage caused to the red blood cells by disulfides present in these vegetables. Dogs may not be adversely affected by eating a small quantity of onion. However, it’s best to keep onions out of the reach of your dog. The following are other foods that dogs can or cannot eat with onions:

1. Garlic: Garlic can help your dogs for lower cholesterol levels, boost immunity, reduce inflammation, and lower blood pressure. It is also helpful in repelling and keeping ticks and fleas away from your dog. 

However, just like onions, leeks, and chives, garlic is part of the allium family and contains n-propyl disulfide which causes oxidative damage to red blood cells leading to hemolytic anemia in dogs. Garlic shouldn’t, therefore, be fed to dogs. The level of toxicity in garlic depends on the amount a dog eats and the size of the dog. Additionally, all varieties of garlic including raw, cooked, or powdered are highly toxic to dogs and should be avoided.

2. Peppers: Dogs can eat bell peppers safely. These vegetables pack a lot of nutritional benefits making them a healthy snack for your canine companion. Peppers are rich in: 

  • Vitamins A.C, E, and B6
  • Beta-carotene
  • Antioxidants
  • Phytonutrients. 

The antioxidants and vitamins can help improve the immune system of dogs. The antioxidants present in peppers can also offer relief from gastrointestinal issues such as diarrhea. These nutrients are good for the skin, coat, joints, energy levels, and digestion.

However, peppers should be given in moderation to avoid gastrointestinal issues in dogs. Spicy varieties of peppers should never be given to dogs as they contain toxic substances. 

3. Mushrooms: Organic mushrooms bought from the grocery store or from the garden are safe for dogs to consume in moderation. These vegetables are full of nutrients that can help:

  • Boost immune system
  • Lower blood pressure
  • Promote kidney and liver functions
  • Stabilize blood sugar
  • Enhance metabolism
  • Prevent heart disease.

However, you should exercise extreme caution while feeding mushrooms as some varieties are highly toxic. Mushrooms such as Amanita phalloides, Galerina Marginata, and Amanita Gemmata can cause fatal poisoning in dogs. Additionally, mushrooms that contain added ingredients and seasonings such as butter, onion, salt, and garlic should be avoided. can dogs eat mushrooms safely?

4. Tomatoes: Dogs can safely eat plain ripe tomato flesh in moderation without negatively affecting their health. However, the stem, leaves, and unripe tomatoes contain solanine and tomatine which cause poisoning in dogs.

Tomatoes are rich in fiber, which aids digestion in dogs. They are also packed with vitamins like C, K, and B9 (folate),  antioxidants, and minerals such as potassium. These nutrients can help boost the overall health of dogs. You should always consult your vet before introducing tomatoes to your dog.

What are the best Onions Dog Food Recipes?

Onions are among the toxic ingredients that should not be included in dogs’ food. This is because they contain n-propyl disulfide that causes oxidative damage to the red blood cells of dogs. This interferes with the cell’s ability to transport oxygen throughout the body and consequently leading to hemolytic anemia. 

This is a serious condition that can be fatal if not properly handled. Although a dog may get away with a small piece of onion and be fine, it’s best to be safe and avoid including onions in your dog’s food.  Both cooked and raw onions are toxic and can cause poisoning in incorporated into your dog’s meals.

If you still want to give your dog onions, you can try the following recipes

  1. Onion bone broth: Add a very small amount of onion to the bones and boil to make some soup. 
  2. Vegetable salad: Chop and mix a small onion with other dog-safe vegetables such as tomatoes and cucumbers to make a healthy vegetable salad

 What are the best dog foods with Onions? 

Onions, in whichever form, raw, cooked, fried, or powdered are harmful to dogs as they can lead to fatal poisoning. Even in very small amounts, onions can cause harm to your canine companion.

Due to this fact, most dog food manufacturers have avoided including this toxic ingredient in their recipes. It’s thus very hard to find any dog food brand listing onion in their ingredient list.

In addition, veterinarians do not recommend including onion or any other member of the allium family like chives and garlic in commercial dog foods.

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Michael Brady

Michael is an animal-lover who specializes in marketing. He started running Dog Food Care with his mother, Sarah, after leaving his office job. Michael gained enough flexibility in his schedule to be able to adopt a dog of his own and welcomed Emmie the dachshund into his home in 2020.