What's wrong with drinking more and urinating less?

Drink a lot of water, but the urine volume is relatively small, this situation is more common in the following reasons. The first is due to physiological reasons, such as lack of water in the body before drinking water, there is obvious thirst, or due to excessive sweating without timely replenishment of water. Although drinking more water, but these water only meet the body's needs for water, but also can not reach the level of more urine volume caused. In addition, if the patient has had obvious diarrhea and vomiting before, although drinking water, it will also cause no significant increase in urine volume, this situation shows. There are also some patients who suffer from kidney function diseases, such as kidney failure, which is also easy to cause urine volume reduction. If necessary, they should go to the urology department of the hospital or the nephrology department for detailed examination.