This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of pituitary gland, Subject name: Medicine
Pituitary diabetes insipidus is improved by? 
Select and explain. 
A. Water restriction, B. Lithium, C. Chlorpropamide, D. Chlohiazide
C: Chlorpropamide
Answer: C: Chlorpropamide 
Explanation: CHLORPROPAMIDE : This Anti-diabetic drug was withdrawn from market as it causes SIADH. So theoretically, it can be used in diabetes insipidus. But the DOC for treatment of Central Diabetes Insipidus: Desmopressin