Possible Causes of Altered Urine Color
Red
Foods: beets, blackberries, rhubarb
Medications: laxatives, antipsychotics (chlorpromazine, thioridazine), anesthetics (propofol)
Toxins: lead, mercury
Conditions: urinary tract infections, nephrolithiasis, porphyria, hemoglobinuria (rhabdomyolysis); see Question 7
Orange
Foods: vitamin C, carrots
Medications: rifampin, phenazopyridine
Green
Foods: asparagus
Medications: vitamin B, propofol
Conditions: Pseudomonas urinary tract infection
Blue
Medications: amitriptyline, indomethacin, IV cimetidine, IV promethazine, triamterene, methylene blue
Conditions: blue diaper syndrome (see Question 5)
Brown
Foods: fava beans
Medications: antimalarials (chloroquine, primaquine), antimicrobials (metronidazole, nitrofurantoin), laxatives (senna), methocarbamol, levodopa
Conditions: hepatobiliary diseases (obstructive and nonobstructive), tyrosinemia, Gilbert syndrome
Pink
Uric acid crystals
Purple
Purple (Purple Urine Syndrome): Indwelling Catheter + Alkaline UTI (Providencia, Klebsiella. Proteus)
Black
Conditions: malianant melanoma. Porphyria. alkaptonuria (ochronosis)
#Altered #Urine #Colored #Discoloration #Differential #Diagnosis #Nephrology
