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Can Dogs Eat Soy Sauce? Health & Nutrition Facts

Written and fact-checked by Dr. Marta Vidal-AbarcaVet Approved
Dr. Marta Vidal-Abarca
Reviewed & Fact-Checked byDr. Marta Vidal-AbarcaVeterinarian
Marta has been a veterinarian for over sixteen years working across the UK and Spain and as a remote veterinary consultant. She has wide experience in small animal internal medicine and surgery with a soft spot for cats.View authorThe information is current and up-to-date in accordance with the latest veterinarian research. Read about our vets
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While you may simply adore feasting on the leftover Chinese takeout sitting in your fridge, you should never share that love with your dog.

For pet parents wondering if dogs can eat soy sauce, the simple answer is no. Even though soy sauce does not contain any toxic ingredients, it is extremely high in sodium. This mineral is necessary for normal body functions; however, high amounts can be very harmful to your dog.

To glean a better understanding of why soy sauce is bad for your dog, let’s fully explore everything there is to know about your pooch and this delicious condiment.

Can Dogs Eat Soy Sauce?

You should never feed your dog soy sauce; however, if your dog licks some soy sauce off the floor or your dish, they should be fine. Dogs need salt in their diet to survive, and this is included in the right amounts in their complete and balanced diet.

The problem with soy sauce is how high in salt it is. If your dog ingests a high amount of salt, they can develop salt poisoning, especially if they have no access to water. If your dog ingests a high amount of soy sauce, you should make sure they have free access to water and contact your veterinarian for further instructions. Salt poisoning can put your dog at risk of neurological damage and even death.

Dish of soy sauce on the wooden table
Image Credit: koosen, Shutterstock

Why is Soy Sauce Bad for Dogs?

The main reason why soy sauce is bad for dogs is its high salt content. There are around 900 milligrams of sodium in every tablespoon of soy sauce, which loosely translates to just under ½ teaspoon of table salt. That’s equivalent to approximately the same amount of salt in half a 10-ounce bag of Lay’s classic potato chips!

While this may seem like a small amount of salt to several adult humans, it could be quite harmful to Fido.

Moreover, foods cooked with soy sauce can be harmful because they may contain onions or garlic, which are toxic to dogs. These ingredients can cause damage to red blood cells, resulting in hemolytic anemia and also digestive signs such as vomiting, abdominal pain, drooling, weakness, and diarrhea in dogs.

Health Hazards of Soy Sauce in Dogs

If your dog somehow got into the trash and ate last night’s Chinese takeout, you should check that they have had access to water, monitor their health situation, and contact your veterinarian based on what you observe. Call your vet right away if you notice any of the following symptoms:

  • Increased thirst
  • Drooling
  • Vomiting
  • Lip Licking
  • Diarrhea
  • Lethargy
  • Respiratory Issues
  • Incoordination
  • Tremors
  • Seizures

Even if the signs are minor, contact your vet immediately.

Drooling dog
Photo Credit: Reddogs, Shutterstock

What Do I Do if My Dog Ate Soy Sauce?

If your pet consumes soy sauce, keep a close eye on them for the aforementioned signs. Provide fresh drinking water and contact your veterinarian if you notice any abnormal signs. The most worrisome aspect of soy sauce is the excessive amount of salt it contains. You also need to take into consideration the fact that if your dog consumes any food with soy sauce, they may also develop gastrointestinal signs because they are eating something that is not part of their normal diet.

Wrapping Up

Soy sauce contains an extremely high amount of salt, and you should never voluntarily offer it to your dog. Also, note that foods normally accompanied by soy sauce may pose a risk to your dog because of the presence of garlic or onion - fresh or powdered - in them.

If your pet consumed a small amount of soy sauce, make sure they have enough water available, keep an eye out for possible side effects, and call your vet immediately if you notice anything abnormal. If your dog ingests a large amount, contact your veterinarian for professional, tailored advice.

While soy sauce is a delicious occasional topping for humans, it should not be offered to dogs since there is a risk of developing salt intoxication.

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Dr. Marta Vidal-Abarca
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Dr. Marta Vidal-Abarca

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