Brown urine may be caused by hematuria, elevated bilirubin, and concentrated urine.
1. Hematuria: It may be caused by kidney stones, infections, tumors and other reasons. There may be a few or a large number of red blood cells in the urine, which can cause the phenomenon of brown urine.
2. elevated bilirubin: may be due to cholelithiasis, hepatitis and other diseases caused by bilirubin excretion obstacles, can lead to elevated urobilinogen, the formation of urine brown urine.
3. Concentration of urine: may be due to a long time without drinking water, body fluids evaporate more, long time hold urine, etc. lead to urine concentration, will make the color of urine deepen, the appearance of brown urine.
Urine brown urine can also be seen in autoimmune hemolysis, acute and chronic hepatitis and other diseases, if the exclusion of physiological factors after the persistence of the symptoms, it is recommended that patients go to the hospital in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid delay in the condition.