Dogs with separation anxiety may bark or howl excessively when left alone. This is a way for them to express their distress and try to get their owner's attention.
Dogs with separation anxiety may engage in destructive behaviors like chewing furniture, digging at doors or windows, or destroying personal belongings.
Dogs with separation anxiety may urinate or defecate inside the house, even if they are house-trained. This can be a result of the stress and anxiety they feel when left alone.
Some dogs with separation anxiety may pace back and forth or exhibit restless behavior when they are alone. They may have a difficult time settling down and may constantly move around.
Dogs with severe separation anxiety may try to escape from their confinement. They might scratch at doors, jump over fences, or try to find a way out of their crate or room.
A dog with separation anxiety may lose interest in food when left alone. This can be a sign of stress and anxiety.
Physiological signs of anxiety, such as excessive drooling or panting, may be present in dogs with separation anxiety. These symptoms can be particularly evident just before the owner leaves or when the dog realizes they are alone.
Some dogs may display signs of depression or apathy when left alone. They may become withdrawn, listless, and show a lack of interest in activities they usually enjoy.