This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophreniform Disorder, Subject name: Psychiatry
Paranoid Schizophrenia is caused by - 
Select and explain. 
A. LDopa, B. Fluoxetine, C. Amphetamine, D. Ketamine
C: Amphetamine
Answer: C: Amphetamine 
Explanation: Ans. is 'c' Amphetamine Drugs, like LSD, amphetamines and mescaline, can cause schizophrenia4ike symptoms in normal Subjects. " - Ahuja, 4/eThese lines indicate that schizophrenia, but whether they cause paranoid schizophrenia or not is not clear.Still the answer is clearly amphetamine.