![]() ![]() One goal is to determine if the hematuria was temporary, persistent or intermittent. For older adults with hematuria of undetermined cause, follow-up testing usually is recommended. It’s fairly common for no cause of hematuria to be found. For those of African descent, sickle cell anemia can be a cause. Other possible causes may include an enlarged prostate, kidney or bladder stones, or a number of inherited kidney diseases, such as polycystic kidney disease or Alport syndrome. Possible causes that are temporary and generally not worrisome, or are easily addressed, include strenuous exercise (particularly running), a blow to the kidney area, or various medications, such as the cancer drug cyclophosphamide or anticlotting drugs ranging from aspirin to warfarin (Coumadin) to clopidogrel (Plavix). In addition to infection, kidney disease and cancer as possible causes of hematuria, there’s a long list of other possibilities, with some being more common than others. A history of smoking, working with chemicals or dyes, radiation to the pelvic area, and other factors heighten the risk of urinary tract cancer. If suspected, testing for cancer may include looking for kidney, bladder, prostate or other potential cancers. And, in most cases, it’s the first symptom. The risk of hematuria being an indicator of cancer somewhere in the urinary tract increases after age 40. A family or personal health history that includes a kidney disease or urinary stones can provide important clues. Urine tests and tests on the blood in the urine often can indicate if bleeding is coming from within the kidneys, which could indicate kidney disease or kidney cysts. Even if you don’t have symptoms, urine tests are almost always performed to check for an infection. More severe symptoms, such as a fever, chills, and back or side pain, may indicate a kidney infection. Symptoms of an infection may include a frequent urge to urinate, burning with urination, and abdominal pain or pressure. To determine what is causing the hematuria, your health care provider may first order a urine test to determine if bleeding is caused by a urinary tract or kidney infection. Hematuria in older adults nearly always indicates the need for an evaluation to determine the cause of bleeding. Occasionally, vaginal bleeding can be mistaken for hematuria and vice versa. Urine can become discolored in other ways, such as by blood proteins (hemoglobin or myoglobin) from eating beets or taking certain medications, including some used to treat urinary tract infections. The first step is to determine if the discoloration is blood. However, heavier bleeding that involves passing blood clots is an urgent issue that can be painful and puts you at risk of having a blocked bladder outlet and inability to pass urine. It takes little blood to discolor urine, so you’re probably not losing as much blood as it may appear. Gross hematuria often occurs without other symptoms. With gross hematuria, urine may be red or pink, or similar in color to cola, tea or rust. Blood in the urine that isn’t clearly visible is called microscopic hematuria. ![]() Either way, it definitely should be evaluated by a health care provider.īlood in the urine that’s clearly visible is called gross hematuria. Although some causes of hematuria can be serious, others are fairly harmless and may clear up with little or no treatment. DEAR MAYO CLINIC: What could be causing a small amount of blood to show up in urine? I am in my 70s.ĪNSWER: Blood in the urine - hematuria - can be alarming.
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