Dogs should not eat chocolate. Chocolate contains a chemical called theobromine, which is very harmful to dogs’ health.

Theobromine has a stimulating effect on the dog's heart and nervous system, which may cause poisoning symptoms such as vomiting and diarrhea. , tachycardia, elevated blood pressure, convulsions, and even death.

Dogs’ digestive systems cannot process theobromine efficiently, and their tolerance to the substance is much lower than that of humans. Even small amounts of chocolate can have serious effects on dogs.

The content of theobromine in different types of chocolate is also different. The content in dark chocolate is usually higher than that in milk chocolate and white chocolate, so it is more harmful to dogs.