It often starts innocently. Maybe a dropped chocolate chip cookie, a piece of chocolate bar left on the table, or a curious nose sniffing around for some sweet treats. To us, chocolate is a harmless indulgence. For our dogs, it’s a whole different story.
Chocolate is a big part of our lives, and because our dogs are always close, they’ve become a part of it too. This is where we should be wary, as dogs and chocolate are not a great combination.
In this blog, we’ll go further into what makes chocolate bad for dogs and what you should do if your dog has eaten a piece.
Can Dogs Eat Chocolate?
Unlike humans, dogs can’t eat chocolate. Their bodies are not capable of breaking down the chemicals found in this sweet treat, which means even small amounts are dangerous. Essentially, chocolate is bad for dogs.
Why Is Chocolate Bad for Dogs?
Chocolate is toxic for dogs because of two specific compounds: theobromine and caffeine. These toxic compounds are part of a much larger group of chemicals called methylxanthines. Essentially, they stimulate the heart, nervous system, and muscles.
Since dogs cannot process these chemicals as efficiently as we humans do, they end up experiencing increasing toxic levels.
Theobromine is the much bigger enemy. Even small amounts can overstimulate a dog’s heart, interfere with its nervous system, and cause dangerous shifts in fluid balance. Caffeine works just like a partner in crime, as it intensifies the stimulant effect.
Together, they can cause anything from simple restlessness to severe seizures and complications.
How Much Chocolate Is Dangerous for Dogs?
The risk isn’t the same for every type of chocolate. Generally, it comes down to three main factors: type of chocolate, amount of chocolate, and your dog’s weight. You can easily compute the risk of chocolate toxicity for your dog at this chocolate toxicity calculator.
Cocoa powder, baking chocolate, and dark chocolate are the types with the highest amount of theobromine and caffeine. This means that if your dog has eaten any of these chocolates, then emergency treatment is required. Here’s a quick guide for your reference:
Type of Chocolate | Theobromine per Ounce | Caffeine per Ounce |
|---|---|---|
Cocoa Powder | 400 to 737 mg | 12 to 30 mg |
Baking Chocolate | 390 to 450 mg | Around 23 mg |
Dark Chocolate | 130 to 227mg | 12 to 23 mg |
Milk Chocolate | 44 to 60 mg | 5 to 9 mg |
White Chocolate | 0.25 mg | 0 mg |
Generally, the relatively milder symptoms of chocolate toxicity occur when your dog has eaten about 20 mg of the combined methylxanthines per kilogram of their body weight.
More cardiac symptoms can present at amounts of 40 to 50 mg per kilogram. The most severe symptoms manifest at methylxanthine amounts above 60 mg per kilogram. From here, you can compute how much chocolate your dog can eat.
For example, if your dog weighs 10 kg, it will take 200 mg of the combined theobromine and caffeine to cause mild symptoms. Cardiac symptoms can manifest at 400 to 500 mg, while severe signs like seizures can be observed at 600 mg and above. Higher amounts will be fatal.
If we want to know how much chocolate is bad for dogs, we can start by using the table above to determine the amount of methylxanthine present per ounce of each chocolate type. One ounce is approximately 28.3 grams, and each serving has different ranges for the compounds.
For instance, we use the greatest value for the compounds for a worst-case scenario, as displayed below. By using this and basing on the threshold where dogs start to show symptoms, we can get the values on how much chocolate each dog can eat based on their size.
Here is a general guideline on how much chocolate dogs can eat:
Type of Chocolate | Methylxanthine | Small (Less than 10 kg) | Medium (11 to 25 kg) | Large (26 to 45 kg) | Giant (More than 45 kg) |
|---|---|---|---|---|---|
Cocoa Powder | 767 mg/oz | Around 7 g | 8 to 18 g | 19 to 33 g | 33+ g |
Baking Chocolate | 473 mg/oz | Around 12 g | 13 to 30 g | 31 to 54 g | 54+ g |
Dark Chocolate | 250 mg/oz | Around 23 g | 25 to 57 g | 59 to 102 g | 102+ g |
Milk Chocolate | 69 mg/oz | Around 82 g | 90 to 205 g | 213 to 369 g | 369+ g |
White Chocolate | 0.25 mg/oz | Not toxic | Not toxic | Not Toxic | Not Toxic |
What Happens If a Dog Eats Chocolate?
If a dog eats chocolate, theobromine and caffeine will get absorbed into the bloodstream. Since dogs cannot metabolize these compounds, they build up toxic levels. This can cause symptoms such as:
Common Symptoms
Vomiting and Diarrhea. These are often the initial signs of chocolate toxicity in dogs as their bodies try to expel the toxin. Vomiting and diarrhea can progress to dehydration if left untreated.
Restlessness or Hyperactivity. You may notice your dog appearing restless and hyperactive. They may also easily get anxious, agitated, or excited.
Increased Thirst and Urination. Affected dogs may start to drink excessively and urinate more frequently.
Severe and Life-Threatening Symptoms
Panting and Rapid Breathing. Frequent panting and rapid breathing are results of the lungs working harder. This can be observed as shallow and fast breaths.
Irregular Heartbeats. The heart’s rhythm may become erratic and unstable, which can be dangerous if left untreated.
Weakness or Collapse. As the body becomes overwhelmed, the dog’s muscles can lose strength and coordination, resulting in collapse.
Tremors or Seizures. Overstimulation of the nervous system and abnormal electrical activity in the brain can result in involuntary muscle contractions and violent spasms.
Cardiac Arrest. In the most severe cases, the heart will stop beating.
The symptoms usually start to appear within 6 to 12 hours.
Do Dogs Die From Chocolate?
Dogs can die from eating chocolate, and this risk increases with darker, more concentrated types and larger amounts. Death is most often caused by complications such as severe heart arrhythmias, uncontrollable seizures, or multiple organ failure triggered by the toxic load of methylxanthines.
What to Do if Your Dog Eats Chocolate
If your dog has eaten chocolate, it’s time to act fast. The sooner you help, the better your dog’s chances are for avoiding severe complications. Follow this guide:
Determine the Details
Take a deep breath and try to determine the details of the type and amount of chocolate your dog has eaten. Also, note down the time you think it happened, as this can be useful for the treatment process.
Call the Vets
Call the nearest vet clinic and provide all the details you have gathered. Our vets can assist you on what you should do and help you understand the symptoms, if there are any. We may require you to bring your dog in for emergency treatment.
Head to the Clinic
The next step is to bring your dog to the clinic, where we'll examine its condition and symptoms. Sharing the type and amount of chocolate ingested will greatly help the diagnostic and treatment process.
We may use medications to induce vomiting, making your dog throw up as much chocolate as possible to hopefully minimize the damage. Activated charcoal is provided in order to limit toxin absorption by binding the remaining toxins in the digestive system.
IV fluids will also be administered in order to flush out the toxins and restore hydration levels. Depending on the other symptoms, the appropriate medications and supportive care therapies will be provided. During your dog’s time at the clinic, its condition will be fully monitored.
Never Try Home Remedies
Home remedies do not help dogs who have eaten chocolate. Only induce vomiting in your dog if the vet you called advised you to do so, since it can be dangerous.
Provide a Resting Space
If your dog has recovered and can be taken home, make sure to place them in a safe and comfortable resting spot. Also, remember to store foods toxic to dogs, such as chocolate, away in a safe and unreachable location.
“For dogs, chocolate isn’t a sweet treat. It’s a silent danger that they should be protected from.”
- Dr. Rokas Proscevicius
Final Thoughts on Why Chocolate Is Bad for Dogs
Chocolate may be a treat for humans, but it’s a dangerous hazard for dogs. It’s one of many foods that may seem harmless, but can create a series of painful and life-threatening complications.
Now that you’ve understood why dogs can’t eat chocolate, you can be better prepared in emergency scenarios. Plus, you’ll know better than to leave a piece of chocolate lying on the coffee table.
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