Adjustment disorder is now called stress response syndrome by the mental health community.
It is a condition that is characterized by a difficulty in coping and adjustment to an environmental or situational stressor such as a major life event. Stress response syndrome shares many of the symptoms of major depression but is different in that it is caused by a situational stressor. There is a specific reason it is occurring instead of just generalized symptoms.
Common examples of stressors that can cause adjustment disorder include the death of a loved one, divorce/breakups, and employment changes such as losing a job. Being a victim of a crime, accident, natural disaster, or injury can also elicit stress response syndrome. Life changes such as marriage, having a baby, moving, and retirement can also be responsible. Symptoms include hopelessness, despair, loss of interest and enjoyment in previously like activities, withdrawal, anxiety, crying, behavioral changes, destructive behaviors, and fatigue. Stress response syndrome is very common and can affect anyone.
Treatment is typically therapy, support groups, medication, or a combination of these three options.