Can Dogs Eat Ketchup?

Dogs can eat ketchup provided it is served in proper quantities. 

If your dog consumes large volumes of ketchup, expect some side effects, even if not so severe.

Therefore, dogs should not consume ketchup regularly and there are also a few things you need to be careful of as there are side effects as discussed below...

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What side effects does ketchup have on dogs?

Ketchup has side effects if consumed excessively. They include:

  • Diarrhoea
  • Muscle weakness
  • Vomiting
  • Cardiac effects
  • Coordination loss
  • Tremors
  • Seizures
  • Extreme thirst
  • Nausea
  • Frequent urination
  • Obesity if consumed regularly
  • Lethargy
  • Pale gums
  • Lack of appetite
  • Black stools

Does ketchup make dogs sick or give diarrhoea?

Yes! Ketchup can make your dog sick, with the primary symptom being diarrhoea. 

Tomatoes have alkaloid that is known as tomatine and solanine, which affects dogs.

How much ketchup can a dog eat?

Dogs should only feed small volumes of ketchup. Do dogs like ketchup? Yes, but too much of it is harmful.

Is ketchup bad for dogs?

In case your dog eats ketchup, nothing significant will happen.

However, if consumed in large quantities, it will cause stomach upset, vomiting, and diarrhoea.

If your dog exhibits such symptoms after eating ketchup, ask for assistance from a veterinary officer. In puppies, ketchup can be fatal.


Can dogs eat ketchup? Yes, but not much frequently. Excessive ketchup consumption has side effects.

Some ketchup’s ingredients may also be harmful to your dog, more so the sugars.

Also, commercial ketchup has some chemicals that might affect your dog.


Q: Should my dog eat ketchup?

A: To be safe, your dog should not eat ketchup, but if it is a must, let it be in small quantities.

Q: Will ketchup make my dog sick?

A: Too much ketchup can make the dog sick as it has sugar and garlic, whose excessive consumption is harmful.

Q: Will ketchup make my dog fat?

A: Ketchup has a high concentration of sugar which has lots of calories responsible for weight gain.

Q: Will ketchup give my dog diarrhoea?

A: Diarrhoea is one of the common problems associated with tomato-based products.

Q: Is ketchup safe for dogs?

A: It is safe for your dog if served in the right portion.

Q: Will ketchup kill my dog?

A: Excessive ketchup consumption will lead to large deposits of sugar and garlic, which is harmful and can kill your dog.

Q: Will ketchup poison my dog?

A: Some ketchup brands contain xylitol, which is a sugar substitute that is highly hazardous to dogs.