Oliguria

Definition

Oliguria is a medical condition characterized by the production of abnormally small amounts of urine, typically less than 400 milliliters in 24 hours for adults. It can indicate an underlying problem with kidney function or urinary tract issues.

Related terms

Urinary retention: The inability to completely or partially empty the bladder, which can lead to reduced urine output.

Acute kidney injury (AKI): A sudden episode of kidney failure or kidney damage that happens within a few hours or a few days and can cause oliguria.

Diuretics:

Medications that help increase the excretion of water and salts from the body through urination, potentially affecting urine output