Genetic and physiological. Relatives of individuals with  schizophreniform disorder
have an increased risk for schizophrenia. 
Functional Consequences of 
Schizophreniform Disorder
For the majority of individuals with schizo phreniform disorder who eventually receive a
diagnosis of schizophrenia or schizoaffective disorder, the functional consequences are
similar to the consequences of those disorder s. Most individuals ex perience dysfunction in
several areas of daily functioning, such as sc hool or work, interperso nal relationships, and
self-care. Individuals who recover from schi zophreniform disorder ha ve better functional
outcomes. 
Differential Diagnosis 
Other mental disorders and medical conditions. A wide variety of mental and medical
conditions can manifest with psychotic sympto ms that must be considered in the differ-
ential diagnosis of schizophreniform disord er. These include psychotic disorder due to
another medical condition or its treatment; delirium or major neurocognitive disorder;
substance/medication-induced psychotic diso rder or delirium; depressive or bipolar
disorder with psychotic features; schizoaffectiv e disorder; other specified or unspecified bi-
polar and related disorder; depressive or bipola r disorder with catatonic features; schizophre-