GENERAL HISTOLOGY

Detailed explanation-1: -When you are drinking enough fluids your body is in balance and your urine will be a pale straw yellow colour. When you have not drank enough fluids your kidneys try to save as much water as they can and cause your urine to be darker in colour (more concentrated).

Detailed explanation-2: -Some liver and kidney disorders and some urinary tract infections can turn urine dark brown. So can bleeding inside the body called a hemorrhage. A group of illnesses that mainly affect the skin or the nervous system, called porphyria, also can cause brown urine.

Detailed explanation-3: -Medium-dark yellow urine is often an indication that you are dehydrated. Drink 2-3 glasses of water now.

Detailed explanation-4: -A condition called porphyria can cause a buildup of the natural chemicals in your bloodstream and cause rusty or brown urine. Dark brown urine can also be an indicator of liver disease, as it can be caused by bile getting into your urine. Exercise.