There rmare some days when I have to urinate excessively for very your and volume is about 400 'll each time even if I don't drink much water and urine is clear. There are days when I go about only 4 times a days and urine looks concentrated. I'm very tired and exhausted. Blood
sugar normal.
Thyroid normal. All blood tests normal. What could be happening. My urine slowly concentrated on water deprivationtest and no I sipidus.