How to Treat a Dog Who Ate Chocolate

Chocolate is toxic to dogs, as it contains a chemical called theobromine, which can cause elevated heart rates, increased blood pressure, and even seizures.^{[1]XResearch source} Dogs who have eaten chocolate must be treated immediately, as the larger the amount of chocolate and the longer it is in their system, the more danger there is for your pet.

Method 1

Method 1 of 2:

Seeking Veterinary Attention

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1
Assess what type and how much chocolate your dog ingested. Make sure you have as much information on the chocolate and the amount of chocolate eaten when you get on the phone with your vet. The information will allow them to give you their best advice.
- Baker’s chocolate is the most toxic type of chocolate for dogs, while milk chocolate is the least toxic. Semi-sweet and dark chocolate toxicity falls somewhere in the middle. The toxic dose for theobromine ranges from 9 mg to 18 mg per pound. On average, baker’s chocolate contains 390 mg per ounce, semi-sweet contains 150mg per ounce, and milk chocolate contains 44mg per ounce.^{[2]XResearch source}
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Call your veterinarian for advice immediately. They will tell you the next steps to take, whether it is bringing your dog into their office or taking steps to help them at home.
- Small amounts of chocolate may only cause some diarrhea and stomach distress. However, it's best to contact your vet no matter how much your dog eats, as its reaction may vary.
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3
Take your dog to the veterinary office, if recommended by your vet. Your veterinarian has the knowledge, staff, drugs and equipment to treat a chocolate overdose.
- Your veterinarian has drugs to cause vomiting if the ingestion was within the last hour or so.
- In some cases, your pet may need to be hospitalized for the night and a 24 hour emergency hospital is the best choice.
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Contact an emergency veterinarian if your normal vet is closed. Accidents don't always happen during office hours, so if you need advice during off hours, find an alternative veterinarian to give you advice or care for your dog.
- There are some clinics that specialize in animal emergencies. These places are usually open many hours and are a good place to take an animal in distress.

Method 2

Method 2 of 2:

Inducing Vomiting

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Try to induce vomiting if advised to do so by your veterinarian. This should only be done if the chocolate was eaten within the last hour and there are no neurological symptoms (tremors) yet. Remember that there can be potentially lethal complications to making your pet vomit.
- Give the dog about one teaspoonful of hydrogen peroxide (3%). Combine with water at a ratio of 50:50. You are likely to spill a lot if you try to administer it with a spoon, so keep an oral dosing syringe handy in your doggy emergency kit.
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Watch your dog for about 15 minutes. Take it outside and watch it closely. This should help by just getting your dog moving. It will also be a better location for your dog to vomit.
- If the peroxide has not induced vomiting after 15 minutes, give the dog another dose and wait.
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Do not give anymore peroxide. If the dog has still not vomited after thirty minutes, do not give it another dose. Too much peroxide can harm him or her.
- There are possible side effects to ingesting Hydrogen Peroxide, even once. These include mild to severe stomach and esophagus irritation and inflammation, possible aspiration (getting the material in the lungs which could cause death) and even having bubbles form in the bloodstream (also potentially deadly).^{[3]XResearch sourcePlumb, Donald C.; Plumb's Veterinary Drug Handbook: 7th (seventh) Ed.; Wiley-Blackwell. 2011}
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Try giving your dog activated charcoal as a last ditch effort. Activated charcoal may help with preventing the absorption of the toxic elements of the chocolate from the intestines. A typical dose of charcoal is 1 gram of charcoal powder mixed with 5 ml (one teaspoon) of water per kg (2.2 pounds) of dog body weight.
- This is really a last ditch effort to help your dog in the absence of any professional veterinary care, and ideally should only be done on the advice of your veterinarian.
- You do not want to give activated charcoal to a dog that is vomiting, tremors or seizuring. If you get charcoal in the lungs, that can be fatal to the dog.
- It is very difficult to get a large amount of charcoal into a dog without a stomach tube, and you will need to repeat every 4-6 hours for 2-3 days. Note that your dog’s stool will be black and constipation is possible.
- Also, one serious side effect of charcoal administration is elevated sodium levels in the blood which can cause tremors and seizures.^{[4]XResearch sourcePlumb, Donald C.; Plumb's Veterinary Drug Handbook: 7th (seventh) Ed.; Wiley-Blackwell. 2011} These symptoms will look just like the neurological problems associated with chocolate toxicity.
- You will need to be very careful administering this product because it will stain fabric, carpet, paint, some plastics black, often permanently.
- If your dog does not eat the charcoal on its own, mixed with a little canned food, then syringing into their mouth may be needed. Unfortunately, this raises the danger level considerably because of the chance for getting the charcoal in the lungs and is therefore not recommended.
- Avoid using charcoal with Sorbitol repeatedly, as this increases the chances of diarrhea and dehydration and more serious complications for your pet.

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Question
My dog ate a piece of brownie. Will she be okay?
Pippa Elliott, MRCVS
Veterinarian
Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
Pippa Elliott, MRCVS
Veterinarian
Expert Answer
This depends on the size of your dog and how much brownie she ate. Most of the toxicity issues are related to dose. Since a brownie is only part chocolate, a large dog who stole a small piece is most likely going to be fine.
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Three days ago, my dog ate dark chocolate and was sick. Now she has a tender stomach, is off her food, but is drinking. What should I do?
Pippa Elliott, MRCVS
Veterinarian
Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
Pippa Elliott, MRCVS
Veterinarian
Expert Answer
After three days, the toxic ingredients in the chocolate will have cleared her system. However, the richness of chocolate can trigger pancreatitis, which is an inflammation of the pancreas. This is a painful condition which causes vomiting, loss of appetite, and diarrhea. Make sure she is drinking, and only offer bland food (such as chicken and rice) to eat. If she does not improve within a few hours, see a vet.
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Question
My dog ate milk chocolate raisins. He is acting normally, but should I be worried?
Pippa Elliott, MRCVS
Veterinarian
Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
Pippa Elliott, MRCVS
Veterinarian
Expert Answer
This is double trouble because both raisins and chocolate are toxic to dogs. The chocolate acts quickly (within minutes or hours), so if he's okay, that's good news. However, raisins can cause kidney failure, which might not show for days and weeks. It's best he has a blood test at the vet's to check if damage was done.
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Tips

Invest in pet health insurance before you have an emergency. There are many companies providing health insurance for pets now, so do some research and find a plan that is affordable for you. There are plans that cover emergencies only and others that provide more comprehensive insurance for “every day” situations. Either way, you could save thousands of dollars and be able to get your pet the care it needs, when an emergency happens.
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Put together and keep an updated pet emergency kit. Very basic supplies include (but are not limited to)syringes for oral dosing or flushing out wounds, gauze pads to clean wounds or control bleeding, iodine solution for disinfecting wounds, tweezers, scissors, a leash, a muzzle, white surgical tape, cotton balls, and hydrogen peroxide.
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Check your kids rooms for chocolate stashes that your dog could get into.
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Visit your vet as soon as possible. They will know exactly what to do if your dog is vomiting, has diarrhea, or isn't eating normally.

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Warnings

You may not be able to treat the dog by yourself. Call your veterinarian immediately.
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Do not let the dog eat chocolate again, even if they have not physical reaction to it. Different chocolates will affect dogs differently. Don't risk it. Keep all chocolate locked safely away from your pets.
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Too much peroxide could potentially do even more harm to a dog. Do not give any more than two doses of it. Better yet, only give Hydrogen Peroxide based on your veterinarian’s recommendation.
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NEVER give your dog any amount of chocolate of any kind. You can never be sure it will do no harm, and even if it doesn't harm your dog at all, you are teaching your dog to see chocolate as a yummy treat, potentially encouraging it to go asking or looking for more.
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The fat in chocolate may trigger vomiting and diarrhea in dogs, even if they do not get toxic doses of theobromine. In addition, pancreatitis may result secondary to chocolate ingestion (triggered by the fat content), which may resolve on its own with a bland diet (non-fat cottage cheese and white rice) for a few days, or may be serious enough to require hospitalization.^{[5]XResearch source}
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