2. Theobromine and caffeine contained in chocolate are derivatives of methylxanthine, which will stimulate the central nervous system of dogs, make their heart rate soar, relax blood vessels, relax smooth muscles and induce diuresis, leading to vomiting and diarrhea in dogs. In severe cases, there will be clinical manifestations such as limb stiffness, excitement, epilepsy and hyperreflexia.
3. If the dog accidentally eats chocolate, he should vomit in time and send it to the hospital for further observation.