the diagnosis is depressive or bipolar disorder with ps ychotic features. 
Schizoaffective disorder. A diagnosis of schizoaffective disorder requires that a major
depressive or manic episode occur concurrently  with the active-phase symptoms and that
the mood symptoms be present for a majority of the total duration of the active periods.
Schizophreniform disorder an d brief psychotic disorder. These disorders are of shorter
duration than schizophrenia as specified in Cr iterion C, which requires 6 months of symp-
toms. In schizophreniform disorder, the disturbance is present less than 6 months, and in
brief psychotic disorder, symp toms are present at least 1 day but less than 1 month. 
Delusional disorder. Delusional disorder can be distinguished from schizophrenia by
the absence of the other symptoms characteristic of schizophrenia (e.g., delusions, prom-
inent auditory or visual halluc inations, disorganized speech, grossly disorganized or cata-
tonic behavior, negative symptoms).
Schizotypal personality disorder. Schizotypal personality disorder may be distinguished
from schizophrenia by subthres hold symptoms that are associ ated with persistent person-
ality features.
Obsessive-compulsive disorder and body dysmorphic disorder. Individuals with
obsessive-compulsive disorder and body dysmorphic disorder  may present with poor or
absent insight, and the preoccupations may reach delusional proportions. But these
disorders are distinguished from schizophren ia by their prominent obsessions, compul-
sions, preoccupations with appearance or bo dy odor, hoarding, or body-focused repeti-
tive behaviors.
Posttraumatic stress disorder. Posttraumatic stress disorder  may include flashbacks that
have a hallucinatory quality, and hypervigilanc e may reach paranoid proportions. But a trau-