Abnormally colored urine: Difference between revisions
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== | ==Background== | ||
== | The urine can help guide the toxicologic differential in a poisoned patient<ref>Aycock RD Kass DA. Abnormal urine color. South Med J. 2012 Jan;105(1):43-7</ref> | ||
==Clinical Features== | |||
*Complaint of abnormally colored urine | |||
==Differential Diagnosis== | |||
{{Red urine DDX}} | |||
===Black=== | ===Black=== | ||
*Methyldopa | |||
*Betadine | |||
*Melanoma | |||
*Cresol | |||
*Iiron | |||
*Laxatives (cascara, senna) | |||
*L-dopa | |||
*Methocarbamol | |||
*Metronidazole | |||
*Nitrofurantoin | |||
*Sorbitol | |||
===Orange=== | ===Orange=== | ||
*[[Pyridium]] | |||
*[[Rifampin]] | |||
*Vitamin A | |||
*[[Vitamin B12]] | |||
*Carrots | |||
*Beets | |||
*Bile pigments | |||
*[[Uric acid crystalluria]] (neonates) | |||
===Purple=== | ===Purple=== | ||
*Phenolphthalein | |||
*Purple Urine Bag Syndrome<ref>Barlow, G et al. "Purple urine bags". Lancet 1 (8062): 502.</ref><ref>Tan, C et al. "Purple urine bag syndrome". Canadian Medical Association Journal 179 (5): 491.</ref> | |||
===Brown=== | ===Brown=== | ||
*Levodopa | |||
*Metronidazole | |||
*Nitrofurantoin | |||
*Iron sorbitol | |||
*Chloroquine | |||
*Methyldopa | |||
*Acetaminophen (overdose) | |||
*Niridazole | |||
*Fava beans | |||
*Rhubarb | |||
===Blue/Green=== | ===Blue/Green=== | ||
*Amitryptiline | |||
*Indomethicin | |||
*[[Pseudomonas]] | |||
*Methylene blue | |||
*Clorets breath mints | |||
*Cimetidine | |||
*Flupirtine | |||
*Methocarbamol | |||
*Metoclopramide | |||
*Promethazine | |||
*[[Propofol]] | |||
*Tetrahydronaphthalene | |||
*Zaleplon | |||
==Hematuria== | ==Evaluation== | ||
===Hematuria vs Myoglobinuria=== | |||
[[File:RhabdoUrine.jpg|thumb|Urine from a person with [[rhabdomyolysis]] showing the characteristic brown discoloration as a result of myoglobinuria]] | |||
*[[Hematuria]] | |||
**[[Urinalysis]] = +Blood with +RBCs | |||
*[[Myoglobinuria]] | |||
**[[Urinalysis]] = +Blood with -RBCs | |||
== | ==Management== | ||
*Dependent on diagnosis | |||
==Disposition== | |||
*Dependent on diagnosis | |||
==See Also== | ==See Also== | ||
[[Rhabdomyolysis]] | *[[Rhabdomyolysis]] | ||
== | ==External Links== | ||
*[http://www.thepoisonreview.com/2012/01/05/what-color-is-your-urine Poison Review - What Color is Your Urine?] | |||
==References== | |||
<references/> | <references/> | ||
[[Category: | [[Category:Urology]] | ||
[[Category:Toxicology]] | |||
Latest revision as of 20:34, 24 January 2024
Background
The urine can help guide the toxicologic differential in a poisoned patient[1]
Clinical Features
- Complaint of abnormally colored urine
Differential Diagnosis
Red Urine
- Hematuria
- Hemoglobinuria
- Porphyria
- Myoglobinuria (rhabdomyolysis)
- Foods
- Blackberries
- Beets
- Blackberries
- Rhubarb
- Food coloring
- Fava beans
- Drugs
- Uric acid crystalluria (neonates)
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
- Uric acid crystalluria (neonates)
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
Evaluation
Hematuria vs Myoglobinuria
Urine from a person with rhabdomyolysis showing the characteristic brown discoloration as a result of myoglobinuria
- Hematuria
- Urinalysis = +Blood with +RBCs
- Myoglobinuria
- Urinalysis = +Blood with -RBCs
Management
- Dependent on diagnosis
Disposition
- Dependent on diagnosis