Traumatic Stress is a commonly used term describing reactive anxiety (and depression). It is not a medical term and is not included in the Diagnostic and Statistical Manual of Mental Disorders

Diagnostic and Statistical Manual of Mental Disorders

The Diagnostic and Statistical Manual of Mental Disorders is published by the American Psychiatric Association and provides a common language and standard criteria for the classification of mental disorders...

 (DSM). What is popularly referred to as Traumatic Stress is covered in DSM-IV by Adjustment Disorders

Adjustment disorder

Adjustment disorder is a psychological response to an identifiable stressor or group of stressors that cause significant emotional or behavioral symptoms that do not meet criteria for anxiety disorder, PTSD, or acute stress disorder...

. This includes subtypes of anxiety

Anxiety

Anxiety is a psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components. The root meaning of the word anxiety is 'to vex or trouble'; in either presence or absence of psychological stress, anxiety can create feelings of fear, worry, uneasiness,...

, depression

Depression (mood)

Depression is a state of low mood and aversion to activity that can affect a person's thoughts, behaviour, feelings and physical well-being. Depressed people may feel sad, anxious, empty, hopeless, helpless, worthless, guilty, irritable, or restless...

 and disturbance of conduct and combinations of these symptoms. It results from events that are less threatening and distressing than the events that lead to posttraumatic stress disorder.

The condition presents in a manner similar to posttraumatic stress disorder, but lacking the same intensity.