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Psychiatry · Chapter 24. Disorders due to emotional stress

Acute stress reaction

ICD-10 code: F43.0

Acute stress reaction is a short-term functional mental disorder that occurs in response to severe emotional trauma. In traditional Russian psychiatry, this condition is classified under reactive psychoses, specifically as affective-shock reactions.

Nature of the diseaseFunctional disorder. Organic changes in the brain are completely absent.
True causeAn irreconcilable contradiction between personal traits and an individually significant situation.
PrognosisFavorable. Complete recovery and high efficacy of psychotherapy are characteristic.
ICD-10Corresponds to code F43.0 and is included in the broad class of neurotic disorders (F4).
4 min readFor medical studentsUpdated Sep 25, 2026
Material prepared by WhiteCoat Pro editorial team based on platform study guidesReviewed by medical editor: Aulov A. A., general practitioner · 09/24/2026

Etiology and the hidden problem of seeking care

Severe life traumas can cause profound mental disturbances, yet most people possess high stress resilience. The true cause of the pathology is not the tragedy itself, but a fatal clash between a specific, individually significant situation and the patient's unique character traits. Innate psychophysiological constitution (temperament) and heredity play a huge role.

Interestingly, patients with psychogenic disorders often avoid specialized professionals. They prefer to consult general practitioners or neurologists, leading to misdiagnosis and the prescription of ineffective treatment. Organizational experience shows that excluding such patients from strict dispensary monitoring sharply increases their seeking of real help at psychoneurological clinics.

Differential diagnosis and Jaspers' triad

Not every disorder that starts after stress is psychogenic. Often, the shock serves merely as a trigger factor for the manifestation of endogenous diseases (schizophrenia or manic-depressive psychosis).

To confirm the truly psychogenic nature of the condition, clinicians apply Jaspers' triad, formulated in 1910. It includes three criteria:

  1. The connection between the onset of the disease and the trauma. The disorder arises immediately after a psychotraumatic event. Situations lasting for years and manifesting only now raise doubts.
  2. Psychological comprehensibility of symptoms. The manifestations of the disease logically stem from the plot of what was experienced (e.g., profound depression after a severe loss). The appearance of delusions of control, mania, or catatonia in response to stress is illogical and points to endogenous pathology.
  3. Dependence of the course on the situation. The dynamics of the condition are inextricably linked to the relevance of the problem. Resolution of the psychotraumatic situation leads to the complete disappearance of symptoms. If the disease continues to progress after the elimination of the cause, it means other factors predominate in the pathogenesis.
Test your knowledge on the topicTasks from the "Psychiatry" course bank — immediate answers and explanations.

Place in disease classification

In Russian and German psychiatric schools, psychogenic diseases are traditionally divided into two large groups (although there is no sharp boundary between them):

  • Neuroses — mild disorders in which the patient retains full insight into their condition.
  • Reactive psychoses — severe conditions with pronounced behavioral disorders and loss of contact with reality.

Acute stress reaction (F43.0 in ICD-10) in the domestic classification corresponds to affective-shock reactions and is classified as a reactive psychosis. In peacetime, they are relatively rare and often resolve spontaneously. However, their frequency in the adult population spikes tens of times during periods of war, earthquakes, and terrorist attacks.

Impact of psychogenias on personality

The most important difference between reactive psychoses and neuroses versus progredient endogenous diseases lies in the impact on a person's character.

In schizophrenia or severe epilepsy, an irreversible transformation of the personality occurs, along with a complete loss of individuality and the appearance of new, previously uncharacteristic traits. In psychogenias, the personality is not destroyed. The symptomatology always stems from pre-morbid character traits, and a prolonged course leads only to the accentuation and exacerbation of these features.

Briefly: answers to topical questions

What are the main methods of treatment and psychotherapy used for acute stress reaction?

In acute stress reaction (affective-shock reaction), special treatment is generally not required. These disorders are classified as short-term reactive psychoses lasting from several minutes to several hours. They tend to regress rapidly after the cessation of psychological trauma, with the typical outcome being complete recovery of the patient.

What clinical forms are distinguished within affective-shock reactions (hyperkinetic and hypokinetic)?

Within affective-shock reactions, two main clinical forms are distinguished, manifested by motor disorders.

  • Reactive stupor — characterized by the inability to move, answer questions, or take action ("psychological death reaction").
  • Reactive agitation — manifests as chaotic activity, screaming, thrashing, panic, and flight reaction.

An obligatory sign for both forms is clouded consciousness followed by partial or complete amnesia.

Class and exam questions

Can any deterioration in condition following stress be considered a psychogenic disease?

No. In many cases, stress is merely a trigger that precipitates the onset of an endogenous disease caused by pathological heredity.

Why can it be difficult to apply Jaspers' criteria in mild disorders?

In neuroses, the connection with stress is often unobvious due to a blurred onset and the involvement of psychological defense mechanisms (involuntary repression) that hide the conflict from the patient themselves.

What is a neurotic reaction and does it need to be treated?

This is a short-term state against the background of stress that causes discomfort but does not disrupt the patient's lifestyle. It is not considered a pathology and passes on its own, although a doctor's advice may be helpful.

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What else to study on this topic

  • Correspondence of traditional Russian diagnoses to ICD-10 codes (Class F4).
  • The connection between neuroses and decompensation of psychopathies (borderline disorders).
  • The physiological approach to neuroses according to I.P. Pavlov's school (types of higher nervous activity).
  • S. Freud's psychodynamic approach: the role of irreconcilable conflicts.
  • Iatrogenesis as a historical variant of psychogenia.

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