While most dogs can chew a toy or sleeping when we are out for a period of time, others may struggle when the owner leaves the house, with some disastrous consequences. Cats also, though less common or severe, can also fight. These behaviors can also occur as a result of the absence or death of a pet companion. Symptoms of separation anxiety * Barking incessantly or chew the furniture * mutilation * Scratch plants in the windows and doors * Follow the owner from place to place and sulk when an owner is ready to leave the house * abnormally Greetings the return of enthusiastic owners * Howling or barking after the owner has been * Urinating or defecating near a door or the owner's personal items * Vomiting only when the owner is not there * excessive scratching to the point of creating a bald spot in one or two areas of the body dogs with separation anxiety Severe also been known to pass through the glass windows, their mouths and legs bloody or defecating and urinating everywhere. What causes separation anxiety? The causes of separation anxiety in dogs may include: * Instinct – dogs are gregarious by nature * Genetic factors: a dog is predisposed to anxiety may be triggered by stress condition * Certain breeds – is worth doing some research to help you locate the problem * Lack of socialization (dogs that have not been socialized properly as puppies) * Move constant (re-dogs have moved often) * Nervousness or dogs that have been through a trauma (theft, earthquake, etc) * The dominant dogs or dogs that are confused by the social structure in the home Separation anxiety in cats can be caused by genetic or environmental factors, or if left orphaned or early weaned. .