A more serious scenario is that the dog may develop vomiting and diarrhea. This can become even more serious if the dog ingests a lot of cellophane and foil wrappers. The most important thing for dog owners to know is that chocolate is toxic to dogs. It contains theobromide which if consumed in large amounts can cause seizures and death. The smaller the dog and the more pure and concentrated the chocolate the more dangerous it is.
Many children generously share the goodies they have collected with the family dog.
It would be best to have a few dog biscuits or perhaps even a few pieces of pop corn for them to share with the dog instead of candy. Be sure to explain to the children why this is important. When children are in costumes that distort their features and body shape dogs may not recognize even children they know and like. Dogs respond to and interpret information they receive through their senses in the following way. Dogs trust and rely on their sense of sight the least of their all of their senses, they trust their sense of hearing next and will always rely on their sense of smell to make their final decision as to how they will respond to something.