The following are symptoms of schizophrenia, although not all have to be present for a diagnosis:
- Delusions (false beliefs, including of persecution, guilt, or of having a special mission, or being of special birth, or of being controlled by someone/something else)
- Hallucinations (false perceptions, most commonly involving hearing voices but can include seeing, feeling, tasting or smelling things that are not actually present)
- Disorganised speech (reflecting difficulties in concentration, with memory or planning. It can also reflect disorganised thinking)
- Diminished emotional expression
- Loss of drive
- Social withdrawal