Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia, Hyperoxalirua, Heavy Proteinuria, Lipiduria, Tuberculosis, Piuria, Lead, Mercury
 • Purine-rich foods (hyperuricosuria)
Blue Urine:
 • Drummond's syndrome (blue diaper syndrome), Herbicide ingestion, Conditions listed under green urine*
 • Food coloring (Diagnex blue, Evan blue, Indigo blue, Toluidine blue), Drugs listed under green urine*
Green Urine:
 • Hartnup disease, Pseudomonas UTI (pyocyanin), Indicanuria, Bile vesico-enteral fistula, Chronic obstructive jaundice (biliverdin), Mechonium aspiration
 • Amitriptyline, Propofol, Indomethacin, Promethazine, Triamterene, Cimetidine, Methylene blue, Metoclopramide, Flutamide, Methocarbamol, Food coloring (Indigo carmine), Asparagus, Chlorophyl breath mints
Purple Urine:
 • Purple Urine Bag Syndrome - UTI caused by (Proteus mirabilis, E. coli, Morganella, Klebsiella, Citrobacter spp, Providencia spp, Alcaligenes spp).
 • Phenolphtalein
Red / Pink Urine:
 • Hematuria, Hemoglobinuria, Methemoglobin, Myoglobinuria, Nutcracker syndrome, Porphyrin tyrosinosis urates, Citrobacter sedlaki /Serratia marcescens UTI, Porphyria, Intravascular hemolysis (G6PD deficiency, sickle cell anemia, thalassemia, transfusion reaction)
 • Chlorpromazine, Chloroquine, Deferoxamine, Hydroxycobalamin, Ibuprofen, Iron sorbitol, Metronidazole, Phenazopyridine, Phenytoin, Phenolpthalein, Phenothiazines, Rifampicin, Warfarin, Food (beets, blackberry, food coloring, rhubarb, senna, red clover)
Orange Urine:
 • Uricosuria, Citrobacter sedlaki UTI
 • Isoniazid, Phenazopyridine, Phenolphthalein, Rifampicin, Vitamin B, Vitamin C, Warfarin, Beets, Carrots
Brown Urine:
 • Hematuria, Hemoglobinuria, Myoglobinuria, Porphyria, Rhabdomyolysis
 • Acetaminophen, Chloroquine, Furazolidone, Imipenem-cilastatin, Levodopa, Methocarbamol, Methyldopa, Metronidazole, Nitrofurantoin, Niridazole, Primaquine, Senna
Black Urine:
 • Alkaptonuria, Hemoglobinuria, Malignant melanoma, Melanogenuria, Myoglobinuria, Porphyria, Rhabdomyolysis, Tyrosinuria, Proteus mirabilis UTI
 • Cloroquine, Cresol, Furazolidone, Intramuscular iron, Imipenem-cilastatin, Levodopa, Metronidazole, Methyldopa, Primaquine, Sorbitol, Fava beans, Rhubarb

By Dr. Alejandro Garcia @Alexgr23

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