Noun
English Wikipedia has an article on:separation anxiety disorderWikipedia
separation anxiety disorder (plural separation anxiety disorders)
A psychological condition in which an individual experiences excessive anxiety regarding separation from home or from people to whom the individual has a strong emotional attachment.
Separation anxiety disorder: A child who is older than 6 or 7 who has an extremely difficult time being away from his or her parents may be experiencing Separation Anxiety Disorder. Source: Internet
Separation anxiety disorder affects roughly 7% of adults and 4% of children, but the childhood cases tend to be more severe; in some instances, even a brief separation can produce panic. citation citation Treating a child earlier may prevent problems. Source: Internet