RBC in Urine |
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· | Acute tubular necrosis
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· | Cystitis (bladder infection)
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· | Glomerulonephritis
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· | Interstitial nephritis
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· | Pyelonephritis (kidney infection)
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· | Kidney trauma
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· | Kidney tumor
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· | Kidney stones
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· | Menstrual bleeding
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· | Prostatitis
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· | Alport syndrome
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· | Complicated UTI (pyelonephritis)
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· | Membranoproliferative GN II
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· | Kidney vein thrombosis
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· | Blood in the urine can come from any condition that results in infection, inflammation, or injury to the urinary system.
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· | Typically, microscopic hematuria indicates damage to the upper urinary tract (kidneys), while visible blood indicates damage to the lower tract (ureters, bladder, or urethra). But this is not always the case.
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· | The most common causes in people younger than 40 years of age are kidney stones or urinary tract infections.
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· | These may also cause hematuria in older people, but cancers of the kidney, bladder, and prostate become a more common concern in people older than 40 years of age.
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· | Several conditions causing hematuria may exist at the same time.
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· | Some causes of hematuria are serious, others are not. Your health-care provider will perform tests to help tell the difference.
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· | Kidney stones
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· | Infections of the urinary tract (UTIs) or genitals
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· | Blockage of the urinary tract, usually the urethra: by a stone, a tumor, a narrowing of the opening (stricture), or a compression from surrounding structures
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· | Cancer of the kidney, bladder, or prostate
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· | Kidney disorder
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· | Blood clotting diseases
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· | Injury to the upper or lower urinary tract, as in a car accident or a bad fall (especially falls onto your back)
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· | Medications: antibiotics (for example, rifampin [Rifadin]), analgesics such as aspirin, anticoagulants (blood thinners such as warfarin, [Coumadin]), phenytoin (Dilantin), quinine (Quinerva, Quinite, QM-260)
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· | Benign (noncancerous) enlargement of the prostate known as benign prostatic hypertrophy (BPH), a common condition in older men
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· | Chronic disorders such as diabetes, hypertension, and sickle cell anemia
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· | Viral infections
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· | Inflammation of the kidney, usually of unknown cause
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· | Strenuous exercise, especially running, results from repeated jarring of the bladder
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· | Sometimes no cause is found for blood in the urine.
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· | Foods: beets, berries, and rhubarb in large amounts
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· | Food colorings
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· | Medications: Different medications can change your urine color.
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· | Menstrual blood
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· | Liver disorders: These may also be very serious causes of discolored urine.
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