Decreased urine output means that you produce less than 500 milliliters of urine in 24 hours.
A large decrease in urine output may be a sign of a serious, or even life-threatening, condition. However, urine output can usually be restored if you get medical treatment right away.
Drink as much fluid as your health care provider recommends. Your health care provider may also ask you to measure the amount of urine you produce.
Contact your health care provider if you:
The health care provider will perform a physical exam and ask questions about your medical history and symptoms, including:
Tests that may be done include:
Gerber GS, Brendler CB. Evaluation of the urologic patient: History, physical examination, and the urinalysis. In: Wein AJ, ed. Campbell-Walsh Urology. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 3.
Molotoris BA. Acute kidney injury. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 122.