A teenage boy is brought to the psychiatrist with complaint of him talking and acting strange. On examination he has auditory hallucinations, agitation and rapid incoherent speech. The duration of symptoms is unknown. Substance abuse history is also unknown. The diagnosis could be all of the following except?
Although patients with generalized anxiety disorder can present with restlessness or irritability, they are usually not agitated and do not have auditory hallucinations or thought disorder.
Schizoaffective disorder
Generalized Anxiety Disorder
Bipolar Disorder
Substance-induced psychotic disorder
Schizophrenia Spectrum and Other Psychotic Disorders