Diabetes is the qualitative urine test positive, but not necessarily positive urine sugar diabetes. In fact, the blood sugar in the kidney's excretion

Diabetes is the qualitative urine test positive, but not necessarily positive urine sugar diabetes. In fact, the blood sugar in the kidney's excretion depend on three factors: the concentration of blood sugar, kidney filtration capacity of the blood sugar, kidney on blood glucose re-absorption capacity. Healthy balance between these three factors in the state, the sugar-free urine.
If any one of three factors change, three out of balance, it may lead to positive urine sugar. In addition to diabetes, the disease which can also be caused by urine test positive for it?

1. Renal glucosuria: mainly due to kidney function is impaired glucose reabsorption, some sugar from urine leakage, caused by urine tests positive, but the blood sugar to normal, more common in chronic nephritis, nephrotic syndrome, familial and neonatal diabetes such as diabetes. A small number of pregnant women have a temporary renal sugar diabetes appear to lower the threshold.

2. Endocrine glucosuria: with endocrine or metabolic diseases, and urine sugar often increased. Such as the thyroid gland, adrenal cortex, the brain inside the anterior pituitary gland, such as hyperthyroidism, the urine sugar positive.

3. Stress glucosuria: bleeding in the brain, brain tumors, skull fractures, brain trauma, anesthesia and so on, these diseases are sometimes too high blood sugar will be temporary, with diabetes, with the condition of remission, blood sugar returned to normal, urine sugar to negative .

4. I had glucosuria: Some people eat too much in a short time if sugar, honey or fruit with high sugar content and so on, soon after intestinal absorption of sugar into the blood, so that increased concentrations of glucose, more than a renal glucose threshold, it will cause diabetes. When to stop eating these foods, then quickly negative urine sugar.

5. Urine sugar false positive: Some patients aminopyrine, caffeine, vitamin C, salicylic acid agents or adrenal cortex hormones, such as oral contraceptives often inhibit the body to release insulin, urine sugar was also false positive.