Why Chocolate and Pets Dont Mix

Chocolate is made from the roasted seeds of the Theobroma cacao or cocoa tree. The seeds have certain properties that can be toxic for dogs and cats, including caffeine and theobromine, which are naturally occurring stimulants that act on the central nervous system and heart muscle. They also relax smooth muscles, especially the bronchial muscles, and increase production of urine by the kidneys.

How Much Chocolate Is Too Much?

Even small amounts of chocolate can cause adverse reactions in pets. Bakers chocolate and dark chocolate are the most common culprits, but other sources include chewable flavored multivitamins, baked goods, chocolate-covered espresso beans, and cocoa bean mulch.

The worst of the worst is dry cocoa powder, which contains the highest amount of theobromine per ounce 800 milligrams per ounce versus Bakers chocolate at 450 milligrams per ounce.

Symptoms of Chocolate Toxicosis

Clinical signs of chocolate poisoning may not appear for several hours after ingestion. However, the onset of symptoms usually occurs within 4 to 5 hours, and continues for 12 to 36 hours. The signs of chocolate poisoning usually progress rapidly. Death from respiratory and/or cardiac failure can occur up to several days after the chocolate was consumed.

A dose of 250 to 500 milligrams of theobromine per kilogram of bodyweight is considered a potentially lethal dose for dogs; the lethal dose in cats starts at about 200 milligrams per kilogram of bodyweight. Symptoms can include vomiting, diarrhea, elevated body temperature, increased reflex responses, rigid muscles, rapid breathing, increased heart rate, a drop in blood pressure, and seizures. In very serious cases, there can be weakness, coma, cardiac failure, and death.

Diagnosing Chocolate Toxicity

Your veterinarian will perform a physical exam and order a chemical blood profile, an electrolyte panel, and a urinalysis to determine if there is a chocolate or caffeine overdose.

Your pets blood can also be tested for theobromine concentrations, and an EKG should be performed to check for heart rhythm abnormalities.

If you suspect your pet has ingested chocolate, you should get him to a veterinarian immediately. En route, try to keep him calm and quiet to prevent symptoms from escalating too quickly.

Treatment Options

Your vet or emergency clinic staff will induce vomiting right away if the chocolate was recently ingested. Activated charcoal may also be given to prevent or limit absorption into the bloodstream. The goal of treatment beyond preventing further absorption of theobromine is supportive in nature. Necessary medications and other care will be given depending on the patients symptoms, which may include seizures, respiratory distress, and/or heart abnormalities. Intravenous (IV) fluids can speed up excretion of theobromine in urine. In addition, it will keep your pet hydrated.

Even with immediate veterinary intervention, it can take pets several days to recover from chocolate poisoning. And sadly, not all of them survive, which is why its so important to keep all forms of chocolate and products containing chocolate carefully stashed away in households with pets.

A Toxic Chocolate Hiding in Your Garden

While most dog parents are aware of the dangers of chocolate, many people dont realize that cocoa bean mulch used for gardening can be fatally toxic as well.

Cocoa bean mulch can be purchased at most garden centers. It has a sweet smell, which is probably what attracts dogs. The mulch is made from the shells of cocoa beans, which contain the same stimulant substances found in chocolate: theobromine and caffeine.

Signs of Cocoa Bean Mulch Toxicity

Symptoms of cocoa bean mulch poisoning in dogs include abdominal pain, vomiting, diarrhea, rapid heart rate, muscle tremors, seizures, and ultimately, death.

The risk to your dog depends on her size, how much mulch she swallowed, and the level of theobromine in the mulch, which varies widely by brand. Puppies and small-breed dogs are at highest risk.

As an example, if your 50-pound dog eats 2 ounces of cocoa bean mulch, hell probably experience some GI upset such as abdominal pain, vomiting, or diarrhea. If he eats 4 ounces, his heart rate will speed up. At 5.5 ounces, he could develop seizures, and ingestion of 9 ounces or more can prove fatal.

If you know or suspect your dog has eaten cocoa bean mulch, take her to your vets office or the nearest emergency animal clinic immediately. Once there, she will likely receive doses of activated charcoal, IV support, tremor control, and cardiac monitoring. Treatment will vary depending on how much mulch she ingested, when it was eaten, and her symptoms. Fortunately, most dogs make a complete recovery with appropriate treatment.

Since in addition to its stimulant toxicity cocoa bean mulch is frequently treated with pesticides and mycotoxin-producing mold, I recommend skipping this type of mulch altogether. Opt instead for a safe mulch like a cedar-based product.

Dr. Karen Becker is a proactive and integrative wellness veterinarian. You can visit her site at: MercolaHealthyPets.com

Her goal is to help you create wellness in order to prevent illness in the lives of your pets. This proactive approach seeks to save you and your pet from unnecessary stress and suffering by identifying and removing health obstacles even before disease occurs. Unfortunately, most veterinarians in the United States are trained to be reactive. They wait for symptoms to occur, and often treat those symptoms without addressing the root cause.

By reading Dr. Becker's information, you'll learn how to make impactful, consistent lifestyle choices to improve your pet's quality of life.

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