Two typical symptoms and associated features of Schizophrenia are positive symptoms and negative symptoms. These will fluctuate in severity over time. Some patients show persistent psychotic symptoms and others only have symptoms during acute episodes and are generally better adjusted between them.
Positive symptoms of schizophrenia are also called psychotic symptoms. These are assumed to show a "distortion of normal functions". Examples are hallucinations and delusions. Positive symptoms do not mean that these symptoms are beneficial; rather, these are symptoms that are present during an active phase of schizophrenia and tend to respond better to treatment.
…
