This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'A 23-year old young boy with schizophrenia is well maintained on risperidone for the last 2 months. He has no family history of the disease. For how long medication should be continued in this patient? \nSelect and explain. \nA. 5 years, B. 6 months, C. 2 years, D. 12 months', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: C. 2 years(Ref: Niraj Ahtda 7/e p67)Multiple randomized trials have found that maintenance of antipsychotic medication reduces the risk of relapse over a period of up to two years.', 'role': 'assistant'}]