What is brown urine?
Urine is produced by your kidneys as they filter water and wastes out of your blood. From the kidneys, urine drains down paired tubes called ureters into your bladder for storage. When it is time to urinate, urine flows from your bladder through your urethra to the outside. Changes in urine color can be related to the concentration of the urine, substances filtered into the urine, or conditions of the urinary tract.
Concentrated urine can have a brownish appearance, as can bloo