A dream featuring a dog generally symbolizes loyalty, friendship and protection.
Dreams with puppies and dogs of a friendly nature imply that you live a happy and joyful life.
An aggressive dog may suggest that you have feelings of aggression within that are being released through this dream. A unruly dog may suggest that you don't like to take orders from other people, while a dog that continues to bark may represent the demanding side of your character.
To be chased by a dog or a group of dogs suggests that there is something that you fear or are worried about in your life.