Urine is a little black. Why?

A little black urine may be caused by food effects, iron deficiency anemia, pyelonephritis and other reasons, details are as follows:

1, food effects

eat a lot of apples, carrots or black currants and other foods, the pigment contained in the food can not be fully absorbed, may appear black urine.

2, iron deficiency anemia

occurs iron deficiency anemia, dissolved in the urine hemoglobin will make it appear dark phenomenon.

3, pyelonephritis

patients pathogenic microorganisms invade the renal pelvis and kidney parenchyma, may lead to red blood cells in the urine, abnormal color.