CHOCOLATE, COFFEE, CAFFEINE  These products contain methylxanthines which, when ingested by pets, can cause vomiting and diarrhea, panting, excessive thirst and urination, hyperactivity, abnormal heart rhythm, tremors, seizures and even death. Darker chocolate is more dangerous than milk chocolate.  Beverages and food containing alcohol can cause vomiting, diarrhea, decreased coordination, central nervous system depression, […]