There are certain food which are essentially poisonous for dogs and walnuts are one of them. Although they may be very beneficial and good for humans to consume, that is not the case for dogs. If your dog eats the seed hulls of a walnut, they could experience a number of problems which can include diarrhea and upset stomach among other things.
Walnut poisoning can be very serious for dogs and it can create a whole host of symptoms which includes but is not limited to trembling, loss of coordination, vomiting, loss of appetite, and drooling. It is important to avoid giving your dogs any type of nuts because of the health risks that are involved in doing so.