Disorders in which fear or tension is overriding and the primary disturbance: phobic disorders, panic disorder, generalized anxiety disorder, obsessive-compulsive disorder, acute stress disorder, and posttraumatic stress disorder. These disorders form a major category in DSM-IV and cover most of what used to be referred to as the neuroses.
In DSM-IV, this category includes panic disorder without agoraphobia, panic disorder with agoraphobia, agoraphobia without history of panic disorder, specific (simple) phobia, social phobia (social anxiety disorder), obsessive-compulsive disorder, posttraumatic stress disorder, acute stress disorder, generalized anxiety disorder (includes overanxious disorder of childhood).
conditions characterized by unrealistic fear or anxiety of very high intensity, that negatively effect professional or social life or emotional health. Include panic disorder, agoraphobia (see above), phobias, obsessive-compulsive disorder, post-traumatic stress disorder, acute stress disorder (see above), generalized anxiety disorder.