Thursday, June 9, 2022

Odor of urine

Q: Describe any three examples where urine odor can help in diagnosis.

Answer: Urine odor can be a strong predictor of underlying disease:
  • Abnormally pungent odor - bacteriuria (due to production of ammonia by bacteria)
  • Sweet or fruity odor - ketonuria
  • Maple syrup odor - maple syrup urine disease
  • Musty or mousy odor - phenylketonuria
  • sweaty feet odor - isovaleric acidemia
  • rancid butter or fishy odor - hypermethioninemia
#nephrology


Reference:

Visser EH, Berkhout DJC, Singh J, et al. Smell - Adding a New Dimension to Urinalysis. Biosensors (Basel). 2020;10(5):48. Published 2020 May 5. doi:10.3390/bios10050048

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