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Hematuria

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What Hematuria Means

Hematuria means there is blood or red blood cells in the urine. This can happen for many reasons and is not a disease itself but a sign that something may be going on in the urinary system. Sometimes the blood is visible, turning the urine red, brown, or tea-colored, which is called gross hematuria. Other times, the blood is only seen under a microscope or in lab tests, called microscopic hematuria. Blood can come from any part of the urinary tract, including the kidneys, ureters, bladder, urethra, and in men, the prostate.

Why Hematuria Can Matter in Cancer Care

Hematuria can be an important sign in cancer care because it may indicate cancers of the urinary tract, such as bladder or kidney cancer. However, many other causes exist, like infections or kidney stones. When hematuria lasts or is unexplained, doctors assess a person’s risk for urothelial cancer by looking at factors such as age, smoking history, and how many red blood cells are present in the urine. This risk assessment helps decide if further tests or treatments are needed. Understanding hematuria helps patients and caregivers know when to seek more evaluation.

What Patients Might See or Experience

Patients might notice red or brown urine or have a lab test that shows blood in the urine without any visible change. Women may have positive tests during menstruation, which is not true hematuria. Some foods or medications can also change urine color. Sometimes, hematuria causes no symptoms other than the test result. Because many things can cause hematuria, doctors will ask about symptoms, medical history, and do physical exams and tests to find the cause.

How Doctors Use Hematuria in Care

Doctors use hematuria as a clue to investigate urinary tract health. They check how many red blood cells are in the urine and consider risk factors like smoking and age. Patients are grouped into low, intermediate, or high risk for urothelial cancer to guide next steps. This may include imaging tests, urine studies, or cystoscopy (looking inside the bladder). Hematuria alone is not a diagnosis but a sign that needs careful evaluation.

Common Confusions and Important Questions

Not all red urine means hematuria—foods, medicines, or menstrual blood can cause red urine or positive tests. A urine dipstick test can sometimes give false positives. Patients should ask their care team what hematuria means in their specific case, what tests are planned, and what the possible causes might be. Understanding the context helps avoid unnecessary worry or misunderstanding.

Reading Hematuria in Context

Hematuria is a finding, not a diagnosis. It must be understood alongside other health information. If you see this term in a report or test result, ask your care team what it means for you personally. They can explain if it is likely harmless, needs more testing, or could be a sign of something serious. This personalized approach is key to safe and effective care.

Safety and Next Steps

This information is educational and cannot replace medical advice. If hematuria is mentioned in your care, the best next step is to discuss it with your healthcare provider. They will explain what it means for your health and what tests or treatments might be needed. Never ignore blood in the urine, but also remember it does not always mean cancer or serious illness. Your care team is there to guide you through understanding and managing this finding.

Sources

Public source information used for this glossary entry includes: