Drink lots of water but urinate very little. Why?

Show a lot of water but very little urine, you can observe whether the amount of perspiration increases after drinking a lot of water, if the amount of perspiration increases, the urine will naturally decrease. You can also observe whether the body is in a high temperature, humid environment, causing the body to be in a state of high water shortage. At this time, drinking a lot of water can supplement the water lost due to water shortage. If these two conditions are excluded, it can be considered that the kidney function shows problems, causing the kidneys to produce urine and causing a lot of drinking urine is very little. It can also be considered that urinary tract obstruction, such as urinary tract obstruction caused by bilateral ureteral stones, causes urine not to be discharged normally. It is recommended to go to the urology department of the hospital for detailed examination, such as urine routine, renal function and urinary ultrasound examination. See if there are abnormal conditions according to the results of the examination, and choose the appropriate method for treatment at the doctor's suggestion.