Color, odor changes in urine usually—but not always—harmless, reports Harvard Women’s Health Watch
Blackberries and rhubarb, like beets, can temporarily turn urine pink or red. Rhubarb can also turn urine dark brown or tea-colored. Carrots, carrot juice, and vitamin C can give urine an orange hue, while B vitamins can turn it a fluorescent yellow-green. Asparagus sometimes gives urine a greenish hue as well as a distinctive smell (often likened to rotting cabbage). Medications can change the appearance of urine, too. For example, Tagamet, a popular drug for reducing stomach acid, can give urine a bluish tinge.
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