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Schizophrenia

Psychotic Disorder

Overview

Schizophrenia is a chronic psychotic disorder with hallucinations, delusions, and disorganized thinking.

Symptoms

  • Auditory hallucinations
  • Delusions
  • Negative symptoms
  • Cognitive deficits

Diagnosis

  • DSM-5: ≥2 symptoms ≥1 mo
  • PANSS
  • Rule out substance/medical

Treatments

  • Antipsychotics (olanzapine)
  • Clozapine (resistant)
  • Psychosocial rehab

Risk Factors

⚠️Genetics
⚠️Prenatal infection
⚠️Cannabis
⚠️Urban living

Key Facts

  • ℹ️Onset 16-30
  • ℹ️Lifetime risk 1%

ICD-10: F20 | Prevalence: nadir

Last updated: 11/9/2025