Abstract: A method for maintaining the health of a diabetic patient by preventing onset of diabetic ketoacidosis in said patient, the method comprising: prescribing an SGLT2 inhibitor for administration to a patient in need thereof; providing at least one test strip for identifying the presence of ?-hydroxybutyrate in the patient's urine; and upon indication of the presence of ?-hydroxybutyrate in the patient's urine, discontinuing the administration of the SGLT2 inhibitor. Also disclosed is a kit useful in the monitoring of risk of onset of diabetic ketoacidosis in patients taking an SGLT2 inhibitor, the kit comprising: the SGLT2 inhibitor and at least one test strip to identify the presence of ?-hydroxybutyrate in the patient's urine, wherein the at least one test strip undergoes a change in color upon detection of ?-hydroxybutyrate in the patient's urine.