Not Safe
Not SafeVet ReviewedReviewed by Dr Alex Crow BVetMed MRCVScondiment

Not Safe for Dogs

Medium dog serving: never

Key warning: all tomato sauce — commercial and homemade contain garlic and onion

Can Dogs Eat Tomato Sauce? No — Garlic and Onion Make It Toxic

This food is NOT safe for dogs. Keep it away from your pet.

Tomato sauce is not safe for dogs. It contains garlic onion and high sodium in virtually all commercial and homemade preparations. Even basic marinara sauce contains garlic and onion making it toxic. Never give dogs tomato sauce in any form.

Warning Signs & Symptoms

Garlic in all commercial tomato sauce: hemolytic anemia. Onion in most tomato sauce: hemolytic anemia. High sodium: digestive upset. High acidity: gastric irritation. Sugar in some varieties: digestive upset.

If Your Dog Ate This

Call vet or ASPCA Poison Control 888-426-4435 if significant amount consumed.

What to Avoid

all tomato sauce — commercial and homemade contain garlic and onion

Preparation & Serving

Check ingredients. Call vet if significant amount consumed — garlic toxicity concern.

Did you know?

The pairing of tomatoes with garlic — the combination that makes tomato sauce toxic to dogs — is so universal in Italian cooking that it is difficult to find any tomato sauce recipe without garlic. The combination works because allicin in garlic binds to flavor compounds in tomatoes enhancing their savory quality. This chemical synergy between garlic and tomato is why virtually every pasta sauce recipe worldwide contains garlic — and why virtually all tomato sauce is toxic to dogs.

Portions & nutrition

Serving (small dog)
never
Serving (medium dog)
never
Serving (large dog)
never
Calories (per 100g)
32
Safe frequency
Never

Source

Source: ASPCA

What You Need to Know

All commercial tomato sauces — marinara pasta sauce pizza sauce — contain garlic and typically onion making them consistently toxic to dogs. Even homemade tomato sauce universally uses garlic. The only safe tomato preparation for dogs is plain ripe tomato without any additions. Dogs given tomato sauce from pasta or pizza develop toxicity from the allium content not from the tomato itself.

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

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Frequently asked questions

Is Tomato Sauce for Dogs safe for dogs?
No, Tomato Sauce for Dogs is not safe for dogs. Tomato sauce is not safe for dogs. It contains garlic onion and high sodium in virtually all commercial and homemade preparations. Even basic marinara sauce contains garlic and onion making it toxic. Never give dogs tomato sauce in any form.
What happens if a dog eats Tomato Sauce for Dogs?
If a dog eats Tomato Sauce for Dogs, they may experience: Garlic in all commercial tomato sauce: hemolytic anemia. Onion in most tomato sauce: hemolytic anemia. High sodium: digestive upset. High acidity: gastric irritation. Sugar in some varieties: digestive upset.
How much Tomato Sauce for Dogs can a dog eat?
All commercial tomato sauces — marinara pasta sauce pizza sauce — contain garlic and typically onion making them consistently toxic to dogs. Even homemade tomato sauce universally uses garlic. The only safe tomato preparation for dogs is plain ripe tomato without any additions. Dogs given tomato sauce from pasta or pizza develop toxicity from the allium content not from the tomato itself.

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Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.