Abnormally colored urine

Background

Normally red or brown

Workup

1. UA

DDx

1. Hematuria^
2. Myoglobinuria^^ (see Rhabdo)
3. Hemoglobinuria^^
4. Porphyria
5. Bile pigments
6. Food (red)
   1. Beets
   2. Blackberries
   3. Rhubarb
   4. Food coloring
   5. Fava beans
7. Drugs
   1. Red
      1. Phenophthalein
      2. Rifampin
      3. Doxorubicin
      4. Deferoxamine
      5. Chloroquine
      6. Ibuprofen
      7. Methyldopa
   2. Brown
      1. Levodopa
      2. Metronidazole
      3. Nitrofurantoin
      4. Iron sorbitol
      5. Chloroquine
      6. Methyldopa

^UA = +Blood with +RBCs ^^UA = +Blood with -RBCs (all others negative for blood and RBCs)

See Also

Rhabdomyolysis