Acute psychosis
Schizophrenia<unk> 
Delusional disorder
Schizotypal personality disorder
Schizoid personality disorder
Bipolar disorder with psychotic features
Depression
Meningitis
Encephalitis
Thyroid (Main)
Toxin ingestion
Medication effect
See altered mental status
Schizoaffective disorder
Acute psychosis
Schizophreniform disorder
Schizophrenia
Bipolar disorder
Delusional disorder
Schizotypal personality disorder
Schizoid personality disorder