Can Dogs Eat Tomato Sauce? Everything You Need to Know

No, dogs should not consume tomato sauce as all the chief ingredients in tomato sauce are harmful to your dog’s health. Avoid canned tomato sauces and soups, as these will commonly include additives such as artificial flavors, sugar, and salt that are toxic to your dog. In addition, this sauce is seasoned with chives, garlic, and onions, which are also detrimental to your dog’s wellness.

What Is Tomato Sauce?

Tomato sauce is made from tomatoes, usually served as part of a meal rather than as a condiment. Tomato sauces are typical for vegetables and meat. Still, they are best known as sauces for pasta dishes or bases for Mexican salsas. Tomatoes hold a rich flavor, soft flesh, high water content, which breaks down quickly, and suitable consistency to thicken into a sauce when prepared.

Is Tomato Sauce Safe for Dogs?

No, tomato sauce is not safe for dogs because tomato sauce has harmful ingredients in the sauce, such as garlic and onions. Both of these are hazardous for dogs and can cause problems like gastric upset and anaemia. Keep canned tomato sauces away from your dog’s reach as they are packed with preservatives and additives. It is junk food with no nutritional benefits to canines.

Why Tomato Sauce Bad for Dogs?

Include Toxic Ingredients: Tomato sauce contains onions and garlic as its chief ingredients. Both have thiosulphate, which can damage a dog’s red blood cells, causing anaemia and even death. In addition, consuming tomato sauce in excess amounts or daily might cause vomiting, diarrhea, abdominal pain, digestion issues, and other complexities.  Symptoms of onion and garlic toxicity: 

  • General weakness
  • Increased heart and respiratory rate
  • Vomiting
  • Diarrhea,
  • Decreased appetite
  • Lethargy
  • Blood in the urine

Salt Poisoning:  Dogs are sensitive to salt, and excess consumption can lead to salt poisoning. This harms the dog’s kidney or even ends in a coma. The symptoms of salt poisoning are: 

  • Loss of appetite
  • Headache
  • High fever
  • Weakness
  • Muscle spasms
  • Vomiting
  • Diarrhea
  • Upset stomach
  • Tongue swelling
  • Walking like a drunk person
  • Increased heart rate
  • Extreme thirst
  • Lack of energy 
  • Convulsions
  • Urination
  • Coma
  • Tremors
  • Seizures
  • Confusion
  • Death, in severe cases

Damages Immune System: Due to the elements present in it and how it is cooked, tomato sauce is bound to affect your dog’s immune system adversely.

Obesity: As the sauce contains sugar, salt, onions, chives, and vegetable oils, tomato sauce has many calories, and eating more than the needed quantity of calories will cause your dog to be obese.

What If My Dog Ate Tomato Sauce?

Symptoms to watch out for your dog has consumed Tomato sauce are:

  • Drooling
  • Diarrhea
  • Vomiting
  • Decreased heart rate
  • Tremors and seizures
  • Loss of coordination/weakness
  • Irregular heartbeat
  • Lethargy

How Much Tomato Sauce to Serve Your Dog? 

A minimal amount probably will not do any harm to your dog. But it is advised that tomato sauce should not be served to your dog.

Alternatives To Tomato Sauce for Your Dogs

Healthy alternatives to tomato sauce include:

Frequently Asked Questions

Can dogs eat tomatoes?

Yes, dogs can eat ripe, red tomatoes in moderation. Avoid feeding young, green tomato, as it contains toxins such as solanine and tomatine that are harmful to your pet.

Can dogs eat plain tomato sauce?

As long as it’s plain sauce without garlic, onions, and heavy seasonings, yes, dogs can have plain tomato sauce. 

Can Dogs Eat Tomato Ketchup?

No, dogs should not eat tomato ketchup as it contains excessive, unnecessary sugar. Some ketchup varieties are sugar-free and contain xylitol, which is highly toxic to your dog’s health.

Can Dogs Eat Tomato Soup?

Avoid adding additives like sodium, flavorings, spices, onions, garlic, or any dairy products while making tomato soup. These added ingredients can be toxic to your dog. 

Can Dogs Have Tomato Juice?

Again, it’s essential to check the possible additives in tomato juice to ensure that there isn’t anything dangerous to your dog. 

Can Dogs Eat Sun-Dried Tomatoes?

Sun-dried tomatoes are generally made from ripe tomatoes. But they are often sold packed in cheese, oil, or with other additives, such as onion, garlic, and other seasonings, that may be harmful to your dog’s health.


Dogs should not be fed tomato sauce. It is made of unhealthy ingredients that can harm your dog’s immune system and even cause severe illnesses such as salt poisoning and obesity. 

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