This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Nocturnal enuresis is commonly treated with: \nSelect and explain. \nA. Imipramine, B. Chlordiazepoxide, C. Haloperidol, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In children above 5 years, imipramine 25 mg at bedtime is effective, but bed wetting may again sta when the drug is stopped. Eldery subjects with bed wetting have also benefited. Ref KD Tripati 8th ed.', 'role': 'assistant'}]