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Urethral stricture may totally block urine flow, causing acute urinary retention, a condition that must be alleviated quickly.
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Acute bilateral obstructive uropathy is a sudden blockage of the flow of urine from both kidneys.
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Chronic bilateral obstructive uropathy is the prolonged or progressive blockage of urine flow from both kidneys.
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A urinary tract infection, or UTI, is an infection that can happen anywhere along the urinary tract -- the kidneys, the ureters (the tubes that take urine from each kidney to the bladder), the bladder, or the urethra (the tube that empties urine from the bladder to the outside).
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Vesicoureteral reflux (VUR) refers to a condition in which urine flows from the bladder, back up the ureter, and back into the kidneys. The normal flow of urine begins in the collecting system of each kidney.
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Vesicoureteral reflux (VUR) is a condition in which urine flows from the bladder, back up the ureter, and back into the kidneys. Illustration of vesicoureteral reflux in a child, a condition in which urine abnormally flows back up into the ureters, causing repeated urinary tract infections.
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