Dogs with depression may lose their appetite or eat more than usual. They may also pick at their food or leave it untouched.
Dogs with depression may sleep more than usual or have trouble sleeping. They may also wake up more often during the night.
Dogs with depression may become more lethargic or withdrawn. They may not want to play or go for walks, and they may spend more time sleeping.
Dogs with depression may withdraw from their owners and other animals. They may not want to be petted or played with, and they may avoid eye contact.
Dogs with depression may stop grooming themselves. They may have matted fur or a dirty coat.
Dogs with depression may bark or whine more than usual. They may also make unusual noises, such as whimpering or moaning.
Dogs with depression may lick their paws excessively, chew on their fur, or scratch themselves until they bleed.