Can Dogs Eat Soy Sauce?

No — soy sauce is extremely high in sodium and even a small amount can be dangerous for dogs, especially small breeds.

Monitor at Home

Soy sauce is dangerously salty for dogs

A single tablespoon of soy sauce contains about 900mg of sodium — far more than a dog's entire daily requirement. Ingesting soy sauce can lead to sodium ion poisoning, which can cause vomiting, diarrhea, tremors, seizures, and in severe cases, death.

How urgent is this?

Emergency

Go to the ER now

  • Dog drank a significant amount of soy sauce
  • Seizures, tremors, or loss of coordination
  • Collapse or unresponsiveness
Urgent

See a vet within 24 hours

  • Small dog lapped up spilled soy sauce
  • Excessive vomiting or diarrhea
  • Extreme thirst and frequent urination
Monitor

Watch at home, call if it worsens

  • Dog tasted a tiny drop on food
  • Dog ate food with a small amount of soy sauce in the marinade
  • Increased thirst but otherwise acting normal

What to Do

Soy sauce is extremely salty and can be dangerous. Act quickly.

  • Estimate how much soy sauce your dog consumed
  • Provide plenty of fresh water immediately
  • For anything more than a few drops, call your vet
  • Watch for vomiting, diarrhea, tremors, or seizures
  • Do NOT induce vomiting — the sodium can worsen dehydration
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Common Questions

How much soy sauce is dangerous for a dog?
Even a tablespoon can be dangerous for small dogs. Soy sauce has roughly 900mg sodium per tablespoon, and salt poisoning in dogs can occur at doses of 2-3g per kg of body weight. A 10-lb dog is at risk from just 1-2 tablespoons.
Is low-sodium soy sauce safer for dogs?
Low-sodium soy sauce still contains about 500-600mg per tablespoon — still far too salty for dogs. No form of soy sauce is safe for dogs.
What are symptoms of sodium poisoning in dogs?
Early signs include excessive thirst, vomiting, and diarrhea. Severe cases show tremors, seizures, disorientation, and high body temperature. Seek emergency veterinary care immediately if you see these signs.

Sources

  1. Salt Toxicosis in Animals — Merck Veterinary Manual
  2. Sodium Ion Poisoning — Pet Poison Helpline

Disclaimer: The information provided in this article is for educational purposes only and does not constitute veterinary medical advice. Reading this content does not establish a veterinarian-client-patient relationship. Every pet is different — always consult a licensed veterinarian before making decisions about your pet's health, diet, or care. If you'd like personalized guidance, you can talk to one of our vets. If your pet is experiencing a medical emergency, contact your local emergency animal hospital immediately.

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Looking for cat info?

We also have a guide for cats.

Can Cats Eat Soy Sauce?