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urine discoloration
Etiology:
1) dark yellow, brown: bilirubin
2) brown-black
a) homogentisic acid (ochronosis)
b) melanin (melanoma)
c) metronidazole
d) alpha-methyldopa (Aldomet)
e) levodopa (Sinemet)
f) phenothiazines
3) red
a) beets
b) rifampin
c) porphyria
d) hemoglobinuria
e) myoglobinuria
f) phenazopyridine (Pyridium)
g) urates
4) blue-green
a) indomethacin
b) amitriptyline
5) turbid white
a) pyuria
b) chylous fistula
c) crystalluria
Related
amitriptyline (Elavil, Endep)
hemoglobin
indomethacin (Indocin)
levodopa; L-3-hydroxytyrosine; L-3,4-dihydroxyphenylalanine; L-dopa (Dopar, Larodopa, Inbrija)
melanin
melanoma
methyldopa (Aldomet)
metronidazole (Flagyl, MetroGel)
myoglobin
ochronosis
phenazopyridine (Pyridium, Azo-Standard, Uristat, Prodium)
phenothiazine
porphyria
pyuria (leukocyturia)
rifampin; rifampicin (Rifadin, Rimactane)
urate; uric acid
urinalysis (UA)
General
sign/symptom
References
Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed)
Lippincott-Raven, Philadelphia, 1998, pg 620