Anuria

Definition

Anuria is the absence or near-complete absence of urine output, typically defined as less than 50 milliliters per day. It is a critical condition that may indicate severe kidney dysfunction or obstruction in the urinary tract.

Related terms

Oliguria:

A significant decrease in urine output to less than 400 milliliters per day, often signaling dehydration or kidney impairment.

Polyuria:

The production of abnormally large volumes of dilute urine, more than 3 liters per day, which can be an indication of diabetes insipidus or uncontrolled diabetes mellitus.

Urinary retention: The inability to empty the bladder completely during urination, which can lead to discomfort and increased risk of urinary tract infections