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Urine - bloody

Definition

Blood in your urine is called hematuria. The amount may be very small and only detected with urine tests or under a microscope. In other cases, the blood is visible. It often turns the toilet water red or pink. Or, you may see spots of blood in the water after urinating.

Alternative Names

Hematuria; Blood in the urine

Causes

There are many possible causes of blood in the urine.

Bloody urine may be due to a problem in your kidneys or other parts of the urinary tract, such as:

If there is no structural or anatomical problem with your kidneys, urinary tract, prostate, or genitals, your doctor may check to see if you have a bleeding disorder. Causes may include:

Blood that looks like it is in the urine may actually be coming from other sources, such as:

  • The vagina (in women)
  • Ejaculation, often due to a prostate problem (in men)
  • A bowel movement

The urine can also turn a red color from certain drugs, beets, or other foods.

When to Contact a Medical Professional

You may not see blood in your urine because it is a small amount and is microscopic. Your health care provider may find it while checking your urine during a routine exam.

Never ignore blood you see in the urine. Get checked by your provider, especially if you also have:

  • Discomfort with urination
  • Frequent urination
  • Unexplained weight loss
  • Urgent urination

Call your provider right away if:

  • You have fever, nausea, vomiting, shaking chills, or pain in your abdomen, side, or back
  • You are unable to urinate
  • You are passing blood clots in your urine

Also call if:

  • You have pain with sexual intercourse or heavy menstrual bleeding. This may be due to a problem related to your reproductive system.
  • You have urine dribbling, nighttime urination, or difficulty starting your urine flow. This may be from a prostate problem.

What to Expect at Your Office Visit

Your provider will perform a physical exam and ask questions such as:

  • When did you first notice blood in your urine? Has the amount of your urine increased or decreased?
  • What is the color of your urine? Does your urine have an odor?
  • Do you have any pain with urination or other symptoms of infection?
  • Are you urinating more often, or is the need to urinate more urgent?
  • What medicines are you taking?
  • Have you had urinary or kidney problems in the past, or recently had surgery or an injury?
  • Have you recently eaten foods that may cause a change in color, like beets, berries, or rhubarb?

Tests that may be done include:

The treatment will depend on the cause of blood in the urine.

References

Gerber GS, Brendler CB. Evaluation of the urologic patient: history, physical examination, and urinalysis. In: Wein AJ, Kavoussi LR, Novick AC, Partin AW, eds. Campbell-Walsh Urology. 10th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 3.

Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 114.

Review Date:8/31/2015
Reviewed By:Jennifer Sobol, DO, urologist at the Michigan Institute of Urology, West Bloomfield, MI. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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