Adjustment disorder is clinically significant emotional or behavioral symptoms in response to an identifiable stressor (or stressors), beginning within 3 months of onset and not persisting more than 6 months after stressor resolution. The disorder is real, common, and clinically meaningful — but time-limited and stressor-tied.
DSM-5 specifiers describe the predominant symptom pattern: with depressed mood, with anxiety, mixed anxiety and depressed mood, with disturbance of conduct, mixed disturbance of emotions and conduct, unspecified. The specifier shapes treatment focus.
Common precipitants: relationship breakups, job loss, financial difficulties, medical illness diagnosis, school transitions, military deployment, immigration, retirement, bereavement (not meeting bereavement-specific criteria), legal problems. Any meaningful life stressor can precipitate adjustment disorder; the threshold is whether the response is clinically significant.
How to distinguish from MDD: adjustment disorder lacks the full symptom criteria for major depression (does not meet 5+ SIGECAPS criteria), is time-limited (resolves within 6 months of stressor termination), is more proportional to the stressor (though somewhat excessive). MDD has the full criteria, can persist beyond stressor resolution, and represents a sustained shift in circuit baseline.
How to distinguish from normal response: normal responses to stressors don't typically produce clinically significant impairment or distress beyond what would be expected. Adjustment disorder produces meaningful functional impact disproportionate to the stressor.
Treatment: brief targeted psychotherapy is first-line — problem-solving therapy, supportive psychotherapy, cognitive-behavioral interventions focused on the specific stressor. Medications generally reserved for severe symptoms — short-term symptomatic relief rather than ongoing treatment. SSRIs may be considered if symptoms are severe and progress toward primary disorder seems likely.
Transition concerns: if symptoms persist beyond 6 months after stressor resolution or progressively worsen, reassess for primary disorder. Many "treatment-resistant adjustment disorders" turn out to be incompletely diagnosed major depression or anxiety disorder.
Misdiagnosing chronic depression as adjustment disorder delays appropriate treatment and minimizes the patient's experience. Misdiagnosing adjustment disorder as MDD leads to over-medication of a normative if intense response. Clinical judgment is the discrimination — and the time course often reveals the true diagnosis.