The Psychiatric clinics of North America
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The literature reviewed here is consistent in showing that GAD is a common mental disorder that typically has an early age of onset, a chronic course, and a high degree of comorbidity with other anxiety and mood disorders. Comorbid GAD is often temporally primary, especially in relation to mood disorders, and is associated with an increased risk for the subsequent onset and severity of secondary disorders. The weight of evidence reviewed here argues against the view expressed by early commentators that GAD is better conceptualized as a prodrome, residual, or severity marker of other disorders than as an independent disorder. ⋯ Unfortunately, little is known about this possibility because, as mentioned earlier, few people with pure GAD seek treatment. Why this is true is unknown. Given the early onset of GAD and its strong effects in predicting the subsequent onset, severity, and persistence of other disorders, efforts are needed to collect epidemiologic data on the reasons for the low rate of help seeking among people with pure GAD and to develop outreach strategies that may correct this situation.
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Psychiatr. Clin. North Am. · Mar 2001
ReviewOverview and clinical presentation of generalized anxiety disorder.
1. To distinguish GAD from panic disorder is not difficult if a patient has frequent, spontaneous panic attacks and agoraphobic symptoms, but many patients with GAD have occasional anxiety attacks or panic attacks. Such patients should be considered as having GAD. ⋯ Finally, the adjective excessive, not used in the definition of other primary diagnostic criteria, such as depressed mood for MDD, should be omitted (Table 3). 6. One may want to consider the distinction of trait (chronic) from state (acute) anxiety, but whether the presence of some personality characteristics, particularly anxious personality or Cluster C personality and increased neuroticism, as an indicator of trait [table: see text] anxiety is a prerequisite for anxiety disorders; occurs independently of anxiety disorders; or is a vulnerability factor that, in some patients, leads to anxiety symptoms and, in others, does not, is unknown. 7. Symptoms that some clinicians consider cardinal for a diagnosis of GAD, such as extreme worry, obsessive rumination, and somatization, also are present in other disorders, such as MDD. (ABSTRACT TRUNCATED)