Which of the following drugs may induce a psychosis that is easily confused with, or misdiagnosed as, paranoid schizophrenia?: (A) Barbiturates, (B) Heroin, (C) Benzodiazepines, (D) Amphetamines
Answer is D. Amphetamine intoxication can result in a psychosis very closely resembling acute paranoid schizophrenia, with symptoms including paranoid delusions and visual hallucinations.