Dog Ate Chocolate? What to Do Based on the Amount and Type
Chocolate is toxic to dogs but the danger depends on the type and amount. Here is how to determine if your dog needs emergency care.
How Dangerous Is It? It Depends on Type and Amount
Not all chocolate is equally dangerous. The toxic compound is theobromine. Dark chocolate and baking chocolate contain the most theobromine and are the most dangerous. Milk chocolate has much less. White chocolate has almost none and is rarely a concern. As a general rule, a toxic dose is about 1 ounce of milk chocolate per pound of body weight, or just 0.1 ounce of baking chocolate per pound. So a 20-pound dog would need to eat about 20 ounces (over a pound) of milk chocolate for it to be dangerous, but only 2 ounces of baking chocolate.
When to Call the Vet Immediately
Call your vet or the ASPCA Animal Poison Control Center (888-426-4435) if your dog ate dark chocolate or baking chocolate in any quantity, your dog ate a large amount of milk chocolate relative to its size, your dog is showing symptoms like vomiting, diarrhea, rapid breathing, restlessness, excessive urination, or tremors, or your dog is a small breed and ate any significant amount. The poison control hotline can calculate the exact risk based on your dog weight, the type of chocolate, and the amount consumed.
When to Monitor at Home
If your large dog ate a small amount of milk chocolate (a few M&Ms or a small piece of chocolate bar), it is usually not dangerous. Monitor for 6 to 12 hours for symptoms. Make sure your dog has access to plenty of water. If no symptoms develop within 12 hours, the risk has passed. However, even non-toxic amounts may cause an upset stomach, mild vomiting, or diarrhea. These symptoms are uncomfortable but not dangerous.
What the Vet Will Do
If you bring your dog in quickly (within 1 to 2 hours of eating the chocolate), the vet will likely induce vomiting to remove the chocolate before it is fully absorbed. They may administer activated charcoal to absorb remaining toxins. For dogs showing symptoms, the vet provides IV fluids and monitors heart rate because theobromine affects the heart. With prompt treatment, the prognosis is excellent. Most dogs recover fully with no lasting effects.
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