Characteristic symptoms

ICD 10


At least one of

Thought echo, thought insertion/withdrawal/broadcast

Passivity, delusional perception Third person auditory hallucination, running commentary

Persistent bizarre delusions

Bizarre delusions Third person auditory hallucinations Running commentary

Or two or more of

Persistent hallucinations Thought disorder Catatonic behaviour

Negative symptoms Significant behaviour change

Delusions Hallucinations Disorganized speech Grossly disorganized behaviour Negative symptoms


More than 1 month

1 month of characteristic symptoms With 6 months of social/occupational dysfunction