Schizophrenia
Diagnostic criteria Symptoms Suicide and homicide
A: At least 2 of the following symptoms: Positive: Risk present with:
Delusions Delusions Long duration of untreated psychosis
Hallucinations Hallucinations Comorbid MD episode with hopelessness
Disorganised speech Disorganised speech or behaviour Previous history of suicide
Grossly disorganise/catatonia Dysfunctional thinking Comorbid substance use disorders
behaviour Catatonia or other movement Comorbid PD
Negative symptoms disorders First 10 years of illness
B: Decrease in functioning, work and Negative: First 6 months after discharge
interpersonal relations. High pre-morbid functioning
Social withdrawal Repeated unsuccessful treatment
Flat affect attempts
Dull or monotonous speech and lack Poor impulse control when ill
of facial expression Previous history of violent behaviour
Difficulty in expressing emotions Dangerous behaviour whilst hospitalised
Lack of self-care
Lack of motivation
C: Continuous symptoms for at least 6 to 12 Cognitive:
months
D: Does not meet criteria for mood disorder Inability to process info and make
with psychotic features. decisions
E: Not due to a GMC or physiological effects Difficulty focusing or paying attention
of substances Problems with memory
F: Over and above ASD or communication Difficulty learning new tasks
disorder of childhood onset. Poor motivation
Diagnostic criteria Symptoms Suicide and homicide
A: At least 2 of the following symptoms: Positive: Risk present with:
Delusions Delusions Long duration of untreated psychosis
Hallucinations Hallucinations Comorbid MD episode with hopelessness
Disorganised speech Disorganised speech or behaviour Previous history of suicide
Grossly disorganise/catatonia Dysfunctional thinking Comorbid substance use disorders
behaviour Catatonia or other movement Comorbid PD
Negative symptoms disorders First 10 years of illness
B: Decrease in functioning, work and Negative: First 6 months after discharge
interpersonal relations. High pre-morbid functioning
Social withdrawal Repeated unsuccessful treatment
Flat affect attempts
Dull or monotonous speech and lack Poor impulse control when ill
of facial expression Previous history of violent behaviour
Difficulty in expressing emotions Dangerous behaviour whilst hospitalised
Lack of self-care
Lack of motivation
C: Continuous symptoms for at least 6 to 12 Cognitive:
months
D: Does not meet criteria for mood disorder Inability to process info and make
with psychotic features. decisions
E: Not due to a GMC or physiological effects Difficulty focusing or paying attention
of substances Problems with memory
F: Over and above ASD or communication Difficulty learning new tasks
disorder of childhood onset. Poor motivation
