Chocolate Toxicity Calculator : How much chocolate can kill a dog?

Chocolate and dogs

With St. Valentine’s Day looming and more and more chocolate on the shelves ( I saw Easter eggs replacing the christmas selection boxes at the end of December!) it’s a good time to help kids understand just what effect chocolate has on their beloved friend and that chocolate can kill your dog.

Chocolate is poisonous to dogs as it contains theobromine. Humans easily metabolize theobromine, but dogs process it much more slowly, allowing it to build up to toxic levels in their system. The potential toxicity of chocolate to your dog depends on the type of chocolate, the amount consumed and your dog’s size. In large enough amounts, chocolate and cocoa products can kill your dog.

If you want to know what other human foods are harmful to your dog, you can read this blog post by Petcarerx.

Signs of chocolate poisoning in dogs 2
Signs of chocolate poisoning in dogs – Infographic – please share

How much chocolate can kill a dog?

A larger dog can eat more chocolate than a small dog before suffering with ill effects. A small amount of chocolate will probably only give your dog an upset stomach with vomiting or diarrhea.

Treatment is required for dogs who have eaten 3.5g of dark chocolate for every kilogram they weigh and 14g of milk chocolate for every kilogram they weigh.

Never consider chocolate as a reward. Instead try our Best ever liver cake treats – wheat free : Homemade Dog Treats .

How much dark chocolate can kill a dog?

The high level of theobromine in dark chocolate means it takes only a very small amount to poison a dog. Less than an ounce of dark chocolate may be enough to poison a 44-pound dog.

Cocoa, cooking chocolate and dark chocolate contain the highest levels, while milk chocolate and white chocolate have the lowest. If you’re dealing with any quantity of dark or bitter chocolate, err on the side of caution.

Why is chocolate poisonous to dogs?

The toxic component of chocolate is theobromine. Humans easily metabolize theobromine, but dogs process it much more slowly, allowing it to build up to toxic levels in their system.

Signs you’re dog has been poisoned by chocolate and what to do

With large amounts, theobromine can produce the following symptoms:

  • muscle tremors
  • seizures
  • an irregular heartbeat
  • internal bleeding or
  • a heart attack

The onset of theobromine poisoning is usually marked by severe hyperactivity.

The usual treatment for theobromine poisoning is to induce vomiting within two hours of ingestion.

If you are worried or suspect that your dog may have eaten a large quantity of chocolate and they are showing any of the signs listed above, call your vet immediately.

If you have a small dog that has eaten a box of chocolates, you need to call and go to your veterinarian right away. Do not wait.

Chocolate Toxicity Calculator

To work out how much chocolate is poisonous for your particular dog please click here to open the toxicity calculator

Infographic – How much chocolate can be poisonous to your dog

dog chocolate toxicity

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