Can Dogs Eat Horseradish?

Horseradish can irritate the throat, mouth, stomach, and urinary tract. It is not likely to poison your dog, but it can make it very sick.

Horseradish sauce or mustard can cause allergic reactions in our best four-legged friends. Dogs aren’t used to spicy foods and can have gastrointestinal problems from eating spicy foods.

This also applies to dogs who eat horseradish cheese sauces, mustards, or leaves. Below you’ll find details about some myths about horseradish and its health benefits for dogs.

Dogs can be allergic to many foods. It’s irresponsible for you to give your dog anything that isn’t safe. Horseradish can cause an allergic reaction in dogs and could make them very sick.

Why Would your Pet Eat Horseradish?

Horseradish is something that no responsible pet owner would allow their dog to eat.

Imagine that you were making horseradish sauce, some of it fell on the ground, and your dog eats it.

You should also be aware that leftovers can have a wide range of ingredients that could cause harm to your dog. For instance, barbecue sauce may be delicious for humans but toxic for dogs.

Friends and family might not know that you care about your dog’s healthy nutrition and offer it horseradish.

Watch out for your dog if there is a garden containing horseradish. You might find it digging up for food and finding horseradish. You can keep your pet safe by putting up fences around potentially dangerous plants and vegetables in the garden.

Your dog may also beg for human food that is not appropriate, such as horseradish. You may be seduced by the puppy eyes but later regret it when your dog develops severe symptoms.

Some dogs can enjoy horseradish while others are not so keen. You can’t tell if they will take it or not until they get the chance.

What is Horseradish?


Horseradish comes from the Brassicaceae plant family. Its cousins include Brussel sprouts and cauliflower.

Its pungent root is the most popular part, but you can also eat horseradish leaves.

Related: Why Does My Dog Eat Leaves?

You can use grated horseradish root fresh, dried, or in powder form.

You can make horseradish at home, but it is also easily available in the grocery store. You can use it as a condiment or main ingredient in horseradish sauce.

A tablespoon of horseradish has:

  • 7 calories;
  • Amount of protein less than 1 gram
  • Amount of fat less than 1 gram
  • 2 grams carbohydrates
  • 0.5g of dietary fiber

Micronutrients such as calcium, potassium, magnesium, and folate are found in small amounts.

Isothiocyanate is one of the volatile compounds that give horseradish its pungent smell. This compound is released when you grate the horseradish root. You can also temper it by adding vinegar.

What Happens to a Dog That Eats Horseradish?

Horseradish can cause adverse reactions in dogs if they are allowed to eat it by accident.

  • Bloating and gas
  • Diarrhea
  • An excessive thirst
  • Painful stomach problems
  • Vomiting

Can My Dog Die of Eating Horseradish?

Although it is unlikely that your dog will be killed by horseradish, you should still seek professional medical help.

Horseradish: Toxic to Dogs or Not

Horseradish does not pose a great danger to dogs because none of its elements are toxic to pets.

You might be tempted to include this plant in your diet, considering its health benefits.

Horseradish is not recommended for dogs because it can irritate their digestive, respiratory, and urinary systems.

Horseradish can cause irritation in humans and pets alike. Yet pets aren’t used to eating spicy food, so their digestive tract may be more sensitive than ours.

Dogs can be allergic to the horseradish root and its leaves. Even if the leaves are cooked, there is still a small amount of spice that can cause irritation to your dog.

A horseradish allergy can make your dog more ill. Avoid unnecessary pain and keep your dog away from foods that can cause irritation.

Horseradish Health Benefits for Humans

Horseradish can be used as a condiment and herbal medicine. Some sources suggest that this plant could have the following health benefits for humans and maybe for animals.

  • Anticancer effects

Horseradish contains glucosinolates and isothiocyanates, which may help protect against cancer. They are believed to inhibit the growth and death of cancer cells. It is believed that horseradish can prevent colon, stomach, and lung cancers.

  • Can be treat cell damage from free radicals

Horseradish antioxidants such as sinigrin may help to repair the damage done by free radicals.

  • Can kill bacteria

Horseradish’s pungent compounds could be used to fight harmful bacteria such as H. Pylori, Salmonella, and E.coli.

  • Preventing the growth of fungi

In a test tube study, the isothiocyanates contained in horseradish prevented the growth of four harmful fungi.

  • Relieves symptoms of respiratory problems

Horseradish is a natural remedy for respiratory problems and colds due to its burning sensation. Research shows that dried horseradish supplements are effective in treating acute sinus infections as well as bronchitis.

It is now clear why horseradish might be a good choice for your diet. However, despite its health benefits for humans, the plant can cause more harm than good for dogs.

Myths About Horseradish Health Benefits for Dogs

Is it possible for a dog to go blind from eating horseradish sauce?

You’ll be able to see the effects of hot chili on your eyes if you’ve ever tried it. Capsaicin, which is the active ingredient in chili peppers, can cause a burning sensation and blindness if it falls in your eyes.

The myth about horseradish and blindness is based on the fact that spicy ingredients can cause severe burns to your eyes.

However, horseradish does not contain capsaicin, and there have been no cases of blind dogs who ate this root vegetable.

Is horseradish good for dogs with coughs?

Some people believe that horseradish can be used to soothe dogs’ coughs.

Horseradish is not recommended for treating a dog’s chest infection. There are many safer alternatives and more reliable treatments.

Horseradish can be used to get rid of worms from dogs

Horseradish is not proven to be effective in eliminating worms from dogs. You should immediately seek professional advice from a veterinarian if you suspect your dog may have worms.

There are many natural remedies for dog worms, like carrots, pumpkin seeds, and coconut, but I have never heard of horseradish as a remedy.

Related: Is Pumpkin Good For Dogs?


Horseradish may have a variety of health benefits for your dog, but it is more possible to cause adverse reactions and harm. High-quality dog food can provide many of the health benefits that this vegetable has without any risks.

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