<prompt> All of the following drugs are useful in nephrogenic diabetes insipidus exceptAmilorideIndomethacinChlorpropamideThiazide diuretics  <response>: The polyuria and polydipsia of nephrogenic DI are not affected by treatment with standard doses of DDAVP. Treatment with conventional doses of a thiazide diuretic andor amiloride in conjunction with a low-sodium diet and a prostaglandin synthesis inhibitor e.g., indomethacin usually reduces the polyuria and polydipsia by 30-70 and may eliminate them completely in some patients. ref : Harrisons 20th ed 2279. 