Attenuated Psychosis Syndrome

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Attenuated Psychosis Syndrome

Medically reviewed · Ratel Health editorial team · Sunday, 16 August 2026

A condition, included for further study in DSM-5, involving mild psychotic-like symptoms that are below the threshold for a full psychotic disorder but cause distress.

Overview

Attenuated psychosis syndrome, included for further study in the DSM-5, involves relatively mild psychotic-like symptoms, such as unusual beliefs or perceptual experiences, that fall below the threshold for a full psychotic disorder, with reality testing relatively preserved.

Signs and Symptoms

Symptoms can include mild delusional ideas, unusual perceptual experiences, or disorganized speech that are noticeable and distressing but not as severe or persistent as a full psychotic episode. Experiencing one or more of these symptoms does not necessarily mean that a person has this condition. Diagnosis requires an appropriate clinical evaluation.

Causes and Risk Factors

The exact cause is not fully understood; some individuals with these symptoms are at increased risk of later developing a full psychotic disorder, though many do not.

Diagnosis

A diagnosis should be made by a qualified healthcare professional following a comprehensive clinical assessment. Clinicians may use established diagnostic frameworks such as DSM-5-TR as part of a comprehensive assessment.

Treatment

Treatment depends on the individual’s symptoms, clinical history, severity, age, co-occurring conditions, and other relevant factors.

Psychotherapy

Early intervention, including psychosocial support and monitoring, is considered important given the potential for symptom progression.

Medication

Treatment approaches vary by individual presentation; close specialist follow-up guides decisions about medication. Medication decisions should be made with a qualified prescribing healthcare professional. Do not start, stop, or change a prescribed medication based solely on information on this page.

Living With Attenuated Psychosis Syndrome

Regular follow-up with a mental health professional experienced in early psychosis support is recommended.

When to Seek Professional Help

Professional evaluation may be appropriate if symptoms persist, worsen, cause significant distress, or interfere with work, school, or relationships.

Emergency Situations

If a person may be in immediate danger, is experiencing a medical or psychiatric emergency, or may harm themselves or another person, seek immediate assistance through appropriate local emergency services.

Outlook

Outcomes vary; many individuals do not progress to a full psychotic disorder, particularly with early support and monitoring.

Related Conditions

Schizophrenia

A chronic psychotic disorder involving disruptions in thinking, perception, and behavior, including hallucinations, delusions, and disorganized thinking.

Brief Psychotic Disorder

A short-term psychotic condition involving sudden onset of symptoms such as delusions or hallucinations lasting less than one month.

Medical Information Disclaimer

Ratel Health provides general educational information and does not provide medical diagnosis, treatment, or individualized medical advice. Information on this page is not a substitute for evaluation or care from a qualified healthcare professional. Do not use this information to diagnose yourself or another person, or to start, stop, or change treatment or medication without consulting an appropriately qualified healthcare professional.

References

  • American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR).
  • National Institute of Mental Health.
  • World Health Organization. International Classification of Diseases, 11th Revision.