Why is the urine brown?

Urine color such as brown, it is recommended to go to the hospital for relevant examinations, the reasons are as follows: 1, urine concentration, long-term no drinking water, a lot of sweating or dehydration in the body, can lead to urine showing thick brown, because the water in the urine excessive evaporation, extreme concentration leads to urine color deepening, not accompanied by frequent micturition, urgency or urination pain symptoms, appropriate drinking water, after supplementing water can gradually return to normal. 2. Various types of hepatitis can lead to liver cell damage, showing elevated serum bilirubin levels, elevated bilirubin levels filtered by the kidneys, which can show urine such as brown or brown, and some patients will show symptoms such as yellow staining of skin and sclera. Further liver function tests and urine routine tests are needed to determine whether there is liver cell damage, hepatitis, etc. 3, hemolytic disease, can show urine light tea color or urine such as soy sauce color, according to the degree of hemolysis, urine color is different, such as hemolytic anemia or show acute hemolytic reaction.