For Appointments Call (318) 841-4004 or
Conditions & Treatments

Hematuria—Adult

(Blood in the Urine—Adult)

Definition

Hematuria is blood in the urine. Normally, urine does not contain any blood.
There are 2 kinds of hematuria:
  • Microscopic hematuria—small amount of blood that is not visible to the naked eye
  • Gross hematuria—enough blood to make urine appear red or tea-colored

Causes

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

Risk Factors

Factors that may increase your risk of hematuria include:
  • Smoking
  • Medications such as certain antibiotics and pain medications
  • Family history of kidney problems
Kidney Stone
si1991 96472 1
Copyright © Nucleus Medical Media, Inc.

Symptoms

You may not have any other symptoms.
You may also have symptoms related to the cause. For example, kidney stones can cause pain in the side, belly, 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 health history. A physical exam will be done. You may be referred to a specialist.
To help find a cause, your doctor may do:
  • Urine tests
  • Blood tests
Images of your pelvic and belly structures may be taken with:

Treatment

Treatment will depend on the cause. Some will not need treatment. Symptoms may also resolve on their own.
Other may need medicine or surgery.

Prevention

Prevention will depend on the cause.

RESOURCES

Family Doctor—American Academy of Family Physicians
https://familydoctor.org
National Kidney Foundation
https://www.kidney.org

CANADIAN RESOURCES

HealthLink BC
https://www.healthlinkbc.ca
The Kidney Foundation of Canada
https://www.kidney.ca

References

Gross hematuria—approach to the adult. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T909566/Gross-hematuria-approach-to-the-adult . Updated June 27, 2016. Accessed September 7, 2017.
Hematuria in children. National Kidney Foundation website. Available at: https://www.kidney.org/atoz/content/hematuria. Accessed August 31, 2015.
Hematuria in children. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T576483/Hematuria-in-children . Updated June 16, 2017. Accessed August 31, 2015.
Microhematuria—approach to the adult. EBSCO DynaMed Plus websit http://www.dynamed.com/topics/dmp~AN~T909568/Microhematuria-approach-to-the-adult . Updated June 21, 2017. Accessed September 7, 2017.
Thaller TR, Wang LP. Evaluation of asymptomatic microscopic hematuria in adults. Am Fam Physician. 1999;60(4):1143-1152.
Urination problems. Family Doctor—American Academy of Family Physicians website. Available at: http://familydoctor.org/familydoctor/en/health-tools/search-by-symptom/urination-problems.html. Accessed September 7, 2017.

Revision Information

  • Reviewer: EBSCO Medical Review Board Adrienne Carmack, MD
  • Review Date: 09/2018
  • Update Date: 09/03/2014
Article written by Shannon DW

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.