Major Depressive Disorder. Lexapro (escitalopram) is indicated for the acute and maintenance treatment of major depressive disorder in adults and in adolescents 12 to 17 years of age [see Clinical Studies (14.1)].
While environmental factors play into someone with controlling behavior, it could also be a genetic predisposition to certain mental illnesses, like OCD, bipolar or even personality disorders. It can also occur due to low-self esteem on the part of the controlling individual. add a comment.
What Causes Generalized Anxiety Disorder? The exact cause of GAD is not fully known, but a number of factors -- including genetics, brain chemistry and brain circuits, and environmental stresses -- appear to contribute to its development. 1  Genetics: Some research suggests that family history plays a part in increasing the likelihood that a person will develop GAD.