What is the cause of yellow morning urine?

If you find yellow urine in the morning, it may often be due to insufficient drinking water. If you drink insufficient water and urine is concentrated, then the morning urine will be concentrated, reflecting the color of the urine. If this is the case, we can drink more water and see if the color of the urine is lighter. If so, then it may be caused by insufficient drinking water. If the drinking water is normal, the urine is still yellow. In this case, you can check the urine routine to see if the urine bile is increased in the urine routine. At the same time, combined with the patient's liver function is not damaged? Sometimes liver function is damaged, there may be yellow urine phenomenon. If the patient is taking some drugs, it may also cause yellow urine, such as vitamin B2 and other drugs. When the urine color will turn normal after stopping the drug.