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What is RBC in urine?

Published in Blood in Urine 2 mins read

RBC in urine, also known as hematuria, means that there are red blood cells (RBCs) present in the urine. While sometimes the urine may appear pink, red, or tea-colored, often it looks normal to the naked eye and can only be detected under a microscope. This presence of red blood cells in urine is usually an indication of an underlying health issue, such as an infection, irritation of the urinary tract, or a more serious condition like kidney disease.

A normal urine sample typically has 4 red blood cells per high power field (RBC/HPF) or less when examined under a microscope. However, an elevated number of RBCs can be a sign of inflammation or infection in the urinary tract, kidneys, or bladder.

Potential causes of RBC in urine:

  • Urinary tract infections (UTIs): Infections can irritate the bladder and cause bleeding.
  • Kidney stones: Stones passing through the urinary tract can cause irritation and bleeding.
  • Kidney disease: Kidney disease can damage the filtering system of the kidneys, allowing blood to leak into the urine.
  • Cancer: Cancers of the bladder, kidney, or prostate can cause blood in the urine.
  • Trauma: Injuries to the urinary tract can cause bleeding.
  • Vigorous exercise: Strenuous physical activity can cause microscopic hematuria, especially in athletes.

It's important to note:

  • While finding RBCs in urine can be alarming, it's not always a cause for concern.
  • If you notice blood in your urine, it's essential to consult a healthcare professional for proper diagnosis and treatment.