Residual Schizophrenia Symptoms

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Residual schizophrenia, as defined by the International Statistical Classification of Diseases (ICD), is a chronic stage in the development of schizophrenia that comes after an initial period of psychotic symptoms. Residual schizophrenia is characterized by long-term negative symptoms, with positive symptoms such as hallucinations and delusions having disappeared or decreased in severity and/or frequency.

People with residual schizophrenia do not experience as many symptoms as those in a full-blown schizophrenic episode, but they often prominently display many of the negative symptoms characteristic of their disorder. These symptoms can sometimes be mistaken for symptoms of severe depression, and they are not effectively treated by the antipsychotic medication used for controlling positive symptoms.

Symptoms of residual schizophrenia may include:

  • psychomotor slowing
  • underactivity
  • flattening of emotions
  • passivity/lack of initiative
  • speech lacking in content or quantity
  • poor nonverbal communication, such as trouble with facial expressions, eye contact, voice modulation, and posture
  • poor self-care
  • poor social performance

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