<prompt> One has to be careful about hypoglycaemia when patient gives history of taking this drug:Chlorpropamide DaonilFurosemide LasixCorticosteroids WysoloneTheophylline Deriphylline  <response>: Chlorpropamide: It is a long-acting sulfonylurea oral hypoglycaemic, found to reduce urine volume in DI of pituitary origin, but not in renal DI. It sensitizes the kidney to ADH action. DI Diabetes Insipidus.Due to its long duration of action, one has to be careful about hypoglycaemia, when patient gives history of taking this drug.Reference: Essentials of Medical Pharmacology Eighth Edition KD TRIPATHI page no 644 