Urination - excessive volume


Excessive volume of urination means that you release abnormally large amounts of urine each day. The medical term for this condition is polyuria. 

Alternative Names



An excessive volume of urination for an adult is more than 2.5 liters of urine per day.

Polyuria is a fairly common symptom, which is often noticed when you have to get up to use the bathroom at night.


Home Care

If you are concerned about the amount you urinate, keep track of the following every day:

When to Contact a Medical Professional

Call your doctor if you have excessive urination over several days, and it is not explained by medications or an increase in fluids.

What to Expect at Your Office Visit

Your 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.

Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 116.

Review Date: 9/16/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Scott Miller, MD, Urologist in private practice in Atlanta, Georgia. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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