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Blood in Urine
- 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
- Injury to the abdomen, pelvis, or internal organs of the urinary tract
- Vigorous exercise—resolves with rest
- Urinary tract infection or kidney infection
- Cancer of the prostate , kidney , or bladder
- Kidney disease
- Kidney stones
- Bleeding disorders such as hemophilia
- Certain congenital diseases such as polycystic kidneys
- Radiation of the pelvis for cancer treatment
- Certain medications
- Medications such as certain antibiotics and pain medications
- Recent upper respiratory tract infection
- Family history of kidney problems
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When Should I Call My Doctor?
- Urine tests
- Blood tests
Family Doctor—American Academy of Family Physicians http://familydoctor.org
National Kidney Foundation http://www.kidney.org
HealthLink BC http://www.healthlinkbc.ca
The Kidney Foundation of Canada http://www.kidney.ca
Hematuria in children. National Kidney Foundation website. Available at: http://www.kidney.org/atoz/content/hematuria.cfm. Accessed September 3, 2014.
Hematuria in adults. EBSCO DynaMed website. Available at: http://www.ebsochost.com/dynamed. Updated February 17, 2014. Accessed September 3, 2014.
Hematuria in children. EBSCO DynaMed website. Available at: http://www.ebsochost.com/dynamed. Updated July 22, 2013. Accessed September 3, 2014.
Microscopic hematuria. Am Fam Physician. 1999 Sep 15;60(4):1154. Available at: http://www.aafp.org/afp/990915ap/990915b.html. Accessed September 3, 2014.
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 3, 2014.
- Reviewer: Adrienne Carmack, MD
- Review Date: 08/2014
- Update Date: 09/03/2014