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': 'Which of the following drug treatment increases thirst and causes dilute diuresis? \nSelect and explain. \nA. Phenobarbitone, B. Lithium, C. Chlorpromazine, D. Clozapine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lithium is a drug of low therapeutic index and side effects are nausea , vomiting, mild diarrhea, edema, thirst bad polyuria. Tremors , hypothyroidism, weight gain and diabetes insipidus can also occur. All the other drugs donot have such a side effect Ref: KD Tripati 8th ed.', 'role': 'assistant'}]