Schizophrenia (positive and negative symptoms)

Schizophrenia (positive and negative symptoms)


The symptoms of schizophrenia can be divided into positive and negative ones.

Positive symptoms refer to an excess or increase in symptomatic behaviours whereas negative symptoms refer to a deficit or decrease.

Positive symptoms include:-

  • Hallucinations
  • Delusions
  • Thought disorder

Negative symptoms include:-

  • Social withdrawal
  • Apathy
  • Lack of energy
  • Poverty of speech
  • Flattening of affect
  • Anhedonia

The most robust data support the effectiveness of amisulpride in primary negative symptoms (Maudsley Guidelines 10th Ed)