What is the reason for the sticky urine?

What is the reason for the sticky urine? Urine becomes more sticky, seen in several cases: the first is increased urine sugar, seen in diabetes: the second is increased urine protein, seen in a series of kidney diseases; the third is the presence of urinary infections, in addition to more sticky, but also frequent micturition, urgency, urination difficulties, urination and other manifestations. For these categories of cases can check urine routine, urine bacteria culture, to see which urine sugar, urine protein; Also has the urine white blood cell and the bacterial count whether to elevate. According to the result separately goes to the endocrinology department, the kidney internal medicine and the urology department to see a doctor.