What is the difference between delusional disorder and schizophrenia?

What is the difference between delusional disorder and schizophrenia?

Schizophrenia is a spectrum (or range) of conditions that involve psychotic symptoms, which include:

• Disorganized speech or behavior.
• Negative symptoms (a decrease in emotion in a person’s facial expressions and motivation).

Delusional disorder is different from schizophrenia because there aren’t any other psychotic symptoms other than delusions.

In addition, in contrast to schizophrenia, delusional disorder is relatively rare, and daily functioning isn’t as impaired as it is in schizophrenia.