Drinking water before a urine test usually has an effect on the urine protein and may cause a deviation in the concentration of urine protein. If a urine protein test is performed it is usually recommended that the test be done on an empty stomach.
Fasting urine protein test can get more accurate results, it is recommended to choose the first morning urine in the middle of the test, because the urine after the whole night after the precipitation, the content of urine protein is higher, the detection rate will be increased; if you drink water after the test, resulting in dilution of urine, the detection rate of urinary protein and the results will have a certain impact, therefore, urinary protein is usually recommended to fasting for the test.
If the patient needs to take a urine test, it is recommended to go to a regular hospital in time to have the test results prescribed and evaluated by a professional doctor.