What does oliguric mean?
Oliguric is a medical adjective describing a condition in which the kidneys produce an abnormally small amount of urine. It is closely associated with oliguria and may occur in acute kidney injury, dehydration, shock, heart failure, or other serious illnesses. In clinical descriptions, an oliguric patient requires careful monitoring because reduced urine output can signal impaired kidney perfusion or inadequate fluid volume. The word is specialized rather than everyday, but it is useful because it distinguishes a marked reduction in urine production from either normal output or the much more complete absence associated with anuria. It is commonly paired with phrases such as “oliguric patient” and “oliguric phase,” and its concise form makes it convenient in medical notes and reports.
adjectiveRelating to or characterized by oliguria, the production of an abnormally small amount of urine.
- Relating to or characterized by abnormally reduced urine output.
"The patient became oliguric after developing acute kidney injury."
"The doctors noted that the patient was oliguric and began monitoring fluid balance carefully."
"Some critically ill patients enter an oliguric phase in which urine output falls sharply."
A word for “less urine,” oliguric marks a body producing too little to clear waste normally — a subtle but important warning sign in kidney and circulatory illness.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does oliguric come from?
Oliguric derives from oliguria, which combines the Greek oligos, meaning “few” or “scanty,” with ouron, meaning “urine.” The adjective was formed from this medical noun to describe a person or condition involving reduced urine production. The same Greek element oligos also appears in words such as oligarch and oligotrophic, although those developments have different meanings.
Related word forms
How oliguric is actually used
This is primarily a medical and clinical term. It is normally used for people, patients, phases of illness, or physiological states, rather than in ordinary conversation.
Easily confused with oliguric
An anuric person produces virtually no urine, whereas an oliguric person produces an abnormally reduced but still measurable amount.
Polyuria means the production of an unusually large amount of urine, while oliguria means abnormally reduced urine production.