Other names: oliguria
Healthy, weighing an average person produces about 1,500 ml of urine daily. A condition in which the kidneys produce less urine than 500 ml per day during normal fluid intake is called oliguria,and has demonstrated a decrease in renal function.
Even more serious condition when the kidneys do not produce virtually no urine is called anuria,when the urine volume is less than 100 ml per day. Reduction or arrest of urine in the kidney occurs in low renal perfusion during circulatory failure, for example due to heart failure or during shock states, decreased urine production but may also be one of the first signs of severe kidney disease.
Low volume of urine may be the result only of renal impairment, a similar situation may also occur if you are prevented from draining urine. If this is not solved, leading finally to kidney damage.Obstacle to drain urine may be, for example, urinary stones in the ureter in men, enlarged prostate or narrowed urethra after inflammation.
At reduced bladder capacity is the volume of urine per day normal, but in smaller portions – the patient must go to the toilet frequently. This is typical of prostate enlargement, but also for example for overactive bladder. These problems urologist treats.
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