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Do kidney stones cause blood in urine?

Is this one of the symptoms of kidney stones? I have had blood for two weeks.
Kidney stones are one potential cause of blood in the urine (also known as hematuria). As the stones grow they may eventually become large enough to irritate either the lining of the kidney or the ureter (the tube connecting the kidney to the bladder) and cause injury to the local cells and capillaries. Kidney stones are usually associated with some degree of pain if they are also causing hematuria, and this pain can be experienced anywhere from the flanks to the groin depending on the location of the stone. While kidney stones are one possibility, the differential diagnosis for hematuria is broad. It also includes urinary tract and kidney infections, bladder stones, kidney disease (such as glomerulonephritis or inflammation of the kidney cells), and malignancy. If you are experiencing any change in the color of your urine, then you should seek out the care of your primary care physician. Routine urinalysis can confirm the presence of red blood cells in the urine. The urine can also be tested for infection by sending a sample for culture. Blood tests may be done to check kidney function. If the source of the blood is unclear, a CT scan of the ureters and kidneys may be performed to rule out any stones or structural abnormalities responsible for the blood. If this is negative and bleeding persists, then the likely next step will be cystoscopy, in which a tube with a camera is inserted through the urethra in order the visualize the inside of the bladder.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under ZocDoc’s Terms of Service.

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