Adjustment Disorder
Emotional or behavioral symptoms within 3 months of an identifiable stressor, resolving within 6 months of stressor end.
Also known as: adjustment disorder, situational reaction
Overview
Development of emotional or behavioral symptoms in response to an identifiable stressor occurring within 3 months of the stressor onset, with marked distress out of proportion to the stressor or significant impairment, that do not meet criteria for another mental disorder. Symptoms resolve within 6 months of stressor termination.
Epidemiology
Common — point prevalence in primary care ~5%, higher in oncology and acute medical settings. All ages affected.
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Risk factors
- Recent identifiable life stressor — job loss, divorce, illness diagnosis, bereavement, financial strain, immigration
- Limited social support
- Prior psychiatric illness
- Concurrent medical illness
Pathophysiology
Maladaptive response to psychosocial stress reflecting interplay of stressor severity, coping resources, and pre-existing vulnerability.
Clinical presentation
Symptoms
- Depressed mood, anxiety, mixed emotional features
- Disturbance of conduct (more in adolescents)
- Mixed disturbance of emotions and conduct
- Functional decline, withdrawal, sleep changes, somatic complaints
Signs / physical exam
- Distress evident on examination
- No specific exam findings; rule out medical contributors
Differential diagnosis
- Major depressive disorder — Meets full MDE criteria regardless of stressor
- Generalized anxiety disorder / panic disorder — Meets full criteria for anxiety disorder
- Acute stress disorder / PTSD — Stressor meets trauma criterion + symptom clusters
- Bereavement — Normative grief; if persistent and impairing >=12 months, consider prolonged grief disorder
- Other specified trauma- and stressor-related disorders — Symptoms do not fit any specific category
Diagnostic workup
Diagnostic criteria
DSM-5-TR: (A) Emotional/behavioral symptoms in response to identifiable stressor occurring within 3 months; (B) Symptoms are out of proportion to severity of stressor (considering cultural context) OR cause significant impairment; (C) Does not meet criteria for another mental disorder and is not exacerbation of pre-existing disorder; (D) Symptoms do not represent normative bereavement; (E) Once stressor (or its consequences) ends, symptoms resolve within additional 6 months. Specify: with depressed mood, anxiety, mixed, disturbance of conduct, mixed emotions/conduct, or unspecified.
Labs
- TSH and basic labs to exclude medical contributors
- Screening: PHQ-9, GAD-7, suicide risk assessment
Imaging
- Not routinely indicated
Diagnostic algorithm
| Specifier | Predominant features |
|---|---|
| With depressed mood | Low mood, tearfulness, hopelessness |
| With anxiety | Nervousness, worry, separation anxiety (children) |
| With mixed anxiety and depressed mood | Combination of above |
| With disturbance of conduct | Rule violations, aggression, truancy |
| With mixed emotions and conduct | Emotional + behavioral disturbance |
| Unspecified | Maladaptive reactions not classifiable |
Treatment
First-line
- Brief supportive psychotherapy, problem-solving therapy, CBT
- Behavioral activation, stress management, sleep hygiene
- Social work and resource navigation for stressor (housing, finances, family)
- Active monitoring and follow-up; many cases self-limit
Second-line / adjunct
- Short-course pharmacotherapy targeting prominent symptom: SSRI/SNRI if symptoms persist or worsen; hypnotic for transient insomnia
- Avoid chronic benzodiazepines
- Reassess diagnosis if symptoms persist beyond 6 months — likely MDD, GAD, or persistent depressive disorder
Complications
- Progression to MDD, anxiety disorder, or substance use
- Suicide — elevated risk particularly in adolescents and oncology patients
- Functional and occupational decline if untreated
PANCE pearls
- Adjustment disorder is a diagnosis of exclusion — confirm symptoms do not meet criteria for MDD, GAD, PTSD, etc.
- If symptoms persist >6 months after stressor resolution, the diagnosis no longer applies — reassess.
- Even though adjustment disorder is 'less severe' by definition, suicide risk can be substantial — always assess.
- Treat the stressor when possible (social work, financial counseling) — directly improves outcomes.
References
- DSM-5-TR — American Psychiatric Association. DSM-5-TR (2022)
- WHO ICD-11 — World Health Organization. ICD-11 — Adjustment Disorder
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