Confusion, disorientation, delusions, and hallucinations are characteristic of

Schizophrenia is the answer

Schizophrenia is a serious disorder which affects how a person thinks, feels and acts. Someone with schizophrenia may have difficulty distinguishing between what is real and what is imaginary; may be unresponsive or withdrawn; and may have difficulty expressing normal emotions in social situations. S

The answer could be schizophrenia or agitated dementia or a psychotic disorder.