red urine

Etiology

• hematuria
• hemoglobinuria
• myoglobinuria
• pharmaceutical agents
  • pyridium, phenazopyridine
  • phenytoin
  • ibuprofen
  • chloroquine
  • cascara laxatives
  • L-dopa
  • methyldopa (Aldomet)
  • quinine
  • nitrofurantoin
  • rifampin
  • sulfonamides
  • doxorubicin
  • deferoxamine
  • iron sorbitol
  • phenolphrhalein
• foods
  • berries
  • fava beans
  • food coloring
  • rhubarb
  • mushrooms
  • beets
• metabolites
  • bile pigments
  • homogentisic acid
  • melanin
  • methemoglobin
  • porphyrin
  • tyrosinosis
  • urates

Laboratory

• urinalysis with urine microscopy
  • urine cell count
  • urine crystals
  • urinary casts
  • urine protein
• serum creatinine

More general terms

• urine color