Polyuria — increased urine output caused by the increased osmotic pressure of urine due to the dissolved glucose (normal glucose in urine is absent). http://videodayonline.com/acne-food/t2dm-guideline-series-blood-glucose-control-patient-education-in frequent copious urination, including at night. Constant unquenchable thirst is caused by high water losses with urine and the increased osmotic pres