<prompt> All of the following causes hyperglycemia, EXCEPTThiazideDiazoxideTheophyllinePentamidine  <response>: Ans. is c Theophylline Theophylline causes hypoglycemia List of drugs causing hyperglycemia. Diazoxide Ethacrynic acid Furosemide Glucocorticoids Pentamidine Thiazides Oral contraceptives Niacin Growth hormone Asparaginase Note : Pentamidine causes both hypo and hyperglycemia Mechanism: Pentamidine causes lysis of pancreatic beta cells: Insulin is released initially causing hypoglycemia. Later on permanent IDDM can result 