Oliguria

Lowered daily or hourly diuresis. In small children 0,5–1 ml/kg/hour. With age ( maturation of the kidney's ability to thicken urine) the criterium fro oliguria decreases. In adults, it amounts to 50-500 ml of urine per day. The decrease of diuresis under 50ml/day in adults or 0.5ml/kg/h in small children is assesed as anuria.

The most common causes are:
 * acute renal failure
 * acute tubular necrosis
 * serious dehydration
 * state of shock

Related articles

 * Urine examination
 * Examination of the child's uropoietic system
 * Polyuria
 * Anuria