Hematuria Blood in the Urine

What is hematuria?

Urinary System

Hematuria is the presence of blood or blood cells in the urine. Hematuria can be called either gross or microscopic.

  • Gross hematuria occurs when there is enough blood present in the urine that it is visible to the naked eye. Can turn toilet water color pale pink or bright red.
  • Microscopic hematuria is a result of there being an amount of blood in the urine that can only be seen through a microscope.

What are the causes of hematuria?

There can be a number of different causes of hematuria, some more serious than others. These conditions include, but are not limited to:

  • Urinary tract infection (UTI)
  • Pyelonephritis (UTI that has reached as far as the kidney)
  • Urinary stone disease
  • Enlarged prostate (benign prostatic hypertrophy)
  • Injury to the urinary tract
  • Kidney (renal) disease
  • Bladder cancer
  • Kidney cancer
  • Prostate cancer

Please note that urine can also change colors due to food choices. Foods such as beets, blackberries, and rhubarb, as well as food with a lot of dyes, can cause your urine to change color.

What are the symptoms of hematuria?

Although blood in the urine is not always a significant symptom of disease, it can be an important warning sign to a possible health problem.

Bloody urine should never be ignored. Contact your doctor right away if there is blood in your urine, especially if you are also suffering from:

  • Frequent, painful or urgent urination
  • Nausea, vomiting, fever, or pain in your abdomen