Tag: ICD-10

Types of Schizophrenia

Types of Schizophrenia

Types of schizophrenia according to ICD-10 classification:


  • Predominated by hallucinations & Delusions but personality usually preserved
  • Most common type, Late Onset, Good Prognosis


  • Predominated by catatonic symptoms, BEST Prognosis
  • First Line Treatment – I/V Lorazepam & Electroconvulsive therapy


  • Prominent disorganization symptoms and negative symptoms
  • Early Onset, Bad Prognosis and Severe Deterioration of personality


  • Not conforming to any above subtypes


  • Progression to ↓ in Delusion / Hallucination but increase in negative symptoms


  • Prominent (-) Symptoms without delusion / hallucination. WORST Prognosis

Post schizophrenic depression:

  • Depressive Episode after resolution of schizophrenia. HIGH RISK of Suicide

TJ Crow:

  • Type 1- Positive Symptoms. Normal Ventricles. Better Prognosis
  • Type 2- Negative Symptoms. Dilated Ventricles. Poor Prognosis
  • Type 3-Behavior Symptoms

Pfropf schizophrenia:

  • Schizophrenia in patients with mental retardation

Von Gogh syndrome:

  • Self-mutilation occurring in schizophrenia patients



Diagnosis of Schizophrenia:

  1. Delusions

  2. Hallucinations

  3. Disorganized Speech [ Formal thought disorder]

  4. Disorganized or Catatonic behavior

  5. Negative Symptoms


2 or More of above for > 1months [with one from [1], [2] or [3]

Duration of Illness > 6 Months


2 or More of above for > 1months [with one from [1], [2] or [3]

Duration of Illness > 1 Months

Acute psychotic disorder

Acute psychotic disorder

Delusion, hallucination and disorganization symptoms like schizophrenia

Does not meet the duration criteria for diagnosis of schizophrenia

Preceded by STRESSOR [Stressful Life Event] and may be precipitated by Fever

ICD -10 [Acute & Transient Psychotic Ds]


  • [ if Duration < 1 Month Brief Psychotic Disorder
  • Duration 1-6 Months – Schizophreniform Disorder]


  • Antipsychotics and Benzodiazepines

Psychiatric Disease-Classification

Psychiatric Disease-Classification

Psychiatric diseases are classified as following:

ICD – 10 [International Classification of Disease, 10th Edition]

  • Published by WHO and provides classification for all medical disease
  • Psychiatric Ds has been classified in Chapter V (F)

DSM-5 [Diagnostic and statistical manual of mental disorders]

  • Published by American Psychiatric disorders, 5th Edition in 2013

Organic Vs Functional Mental Disorders

Psychosis Vs Neuroses [Insight or awareness of illness]

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