What Color is Your Urine?

January 5, 2012, 12:57 am


Abnormal Urine Color. Aycock RD, Kass DA. South Med J 2012 Jan;105:43-47.


This review article would be a good one to keep on file, since it provides a comprehensive review of drugs, foods, and medical conditions that can cause changes in urine color.

There are many medical causes, such as hemolysis (red urine), porphyria (black urine), metastatic melanoma (brown urine). The following are the causes or abnormal urine color from medications or foods cited in the article:

  • Red urine: chloroquine, deferoxamine, hydroxocobalamin, ibuprofen, phenazopyridine, rifampin, warfarin; beets, blackberries, carrots.
  • Orange urine: isoniazid, riboflavin, sulfasalazine, plus any of the causes of red urine.
  • Brown urine: acetaminophen (overdose0, metronidazole, niridazole, nitrofurantoin, fava beans, rhubarb.
  • Black urine: α-methyldopa, cresol, iron, laxatives (cascara, senna), L-dopa, methocarbamol, metronidazole, nitrofurantoin, sorbitol.
  • Blue or green urine: methylene blue, amitriptyline, Clorets breath mints, cimetidine, flupirtine, indomethacin, methocarbamol, metoclopramide, promethazine, propofol, tetrahydronaphthalene, zaleplon.

Related posts:

Green urine

Propofol causes green urine

What causes black urine?

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