The urine is dark brown like tea. What's going on?

The color of urine is dark brown like tea, the reasons are more, mainly including the following aspects: first, the patient drinks less, the peripheral blood circulation load is too low or the patient sweats more, resulting in less urine produced by the kidney, the color caused by urine concentration becomes darker. Second, the patient has related diseases, such as cold, fever, urinary tract infection, tuberculosis, stones, tumors, nephritis, nephrotic syndrome, etc., all of which may cause changes in urine color. In either case, as long as there is no clear certainty about whether there is a disease related to the body, it is recommended to go to a regular hospital for detailed examination, judge the condition, and deal with it accordingly if necessary.