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Abnormally colored urine
From WikEM
(Redirected from Urine discoloration)
Contents
Background
The urine can help guide the toxicologic differential in a poisoned patient[1]
Differential Diagnosis
Red Urine
- Hematuria
- Hemoglobinuria
- Porphyria
- Myoglobinuria (rhabdomyolysis)
- Foods
- Blackberries
- Beets
- Blackberries
- Rhubarb
- Food coloring
- Fava beans
- Drugs
Black
- Methyldopa
- Betadine
- Melanoma
- Cresol
- Iiron
- Laxatives (cascara, senna)
- L-dopa
- Methocarbamol
- Metronidazole
- Nitrofurantoin
- Sorbitol
Orange
- Pyridium
- Rifampin
- Vitamin A
- Vitamin B12
- Carrots
- Beets
- Bile pigments
Purple
Brown
- Levodopa
- Metronidazole
- Nitrofurantoin
- Iron sorbitol
- Chloroquine
- Methyldopa
- Acetaminophen (overdose)
- Niridazole
- Fava beans
- Rhubarb
Blue/Green
- Amitryptiline
- Indomethicin
- Pseudomonas
- Methylene blue
- Clorets breath mints
- Cimetidine
- Flupirtine
- Methocarbamol
- Metoclopramide
- Promethazine
- Propofol
- Tetrahydronaphthalene
- Zaleplon
Hematuria vs Myoglobinuria
- Hematuria
- Urinalysis = +Blood with +RBCs
- Myoglobinuria
- Urinalysis = +Blood with -RBCs
See Also
External Links
Poison Review - What Color is Your Urine?
References
- ↑ Aycock RD Kass DA. Abnormal urine color. South Med J. 2012 Jan;105(1):43-7
- ↑ Barlow, G et al. "Purple urine bags". Lancet 1 (8062): 502.
- ↑ Tan, C et al. "Purple urine bag syndrome". Canadian Medical Association Journal 179 (5): 491.
