*

Definition  

Blood in the urine is also called hematuria. Normally, urine does not contain blood.

There are two kinds of hematuria:

  • Microscopic hematuria—Urine contains a small amount of blood, which is not visible to the naked eye
  • Gross hematuria—Urine is visibly discolored by blood, appearing red or tea-colored
*

Causes  

In some cases, the cause of hematuria is never found. The list of known causes is lengthy. Some more common causes include:

*
Kidney Stone  
si1991_96472_1

Copyright © Nucleus Medical Media, Inc.

Risk Factors  

Factors that may increase your risk of hematuria include:

  • Smoking
  • Medications such as certain antibiotics and pain medications
  • Recent upper respiratory tract infection
  • Family history of kidney problems
*

Symptoms  

In some cases, there may not be additional symptoms.

But, if you have an underlying condition, you may have other symptoms. For example, kidney stones can cause blood in the urine, along with pain in the side, abdomen, or groin.

When Should I Call My Doctor?  

Call your doctor any time you notice blood in your urine.

*

Diagnosis  

You will be asked about your symptoms and medical history. A physical exam will be done. You may be referred to a neprhologist who specializes in kidney disease or a urologist who specializes in the urinary system.

Your doctor may need to test your bodily fluids. This can be done with:

  • Urine tests
  • Blood tests

Your doctor may need to view your bodily structures. This can be done with:

*

Treatment  

Treatment will depend on the cause of hematuria. Some causes of hematuria require no treatment or will resolve on their own. Other causes will respond to medication. For example, treating a urinary tract infection with antibiotics will stop the