![]() | This article or section appears to contradict itself on threshold for daily urine output qualifying as oliguria (variously given as 80-100mL/<400mL/<500mL in intro/Definition section).(May 2021) |
Oliguria | |
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Other names | Hypouresis |
Specialty | Urology |
Oliguria or hypouresis is the low output of urine specifically more than 80 ml/day but less than 400ml/day.[1] The decreased output of urine may be a sign of dehydration, kidney failure, hypovolemic shock, hyperosmolar hyperglycemic nonketotic syndrome (HHNS), multiple organ dysfunction syndrome, urinary obstruction/urinary retention, diabetic ketoacidosis (DKA), pre-eclampsia, and urinary tract infections, among other conditions.
Beyond oliguria is anuria, which represents an absence of urine, clinically classified as below 80 or 100 ml/day.[1]
The term oliguria is derived from oligo-meaning "small, little," + -uria, from the Greek word ouron, meaning "urine".[2]
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