Excessive amount of urination means that your body makes larger than normal amounts of urine each day.
An excessive volume of urination for an adult is more than 2.5 liters (about 67 fluid ounces or about 2.6 quarts) of urine per day. However, this can vary depending on how much water you drink and what your total body water is. This problem is different from needing to urinate often.
Polyuria is a fairly common symptom. People often notice the problem when they have to get up during the night to use the toilet (nocturia).
Some common causes of the problems are:
Less common causes include:
Also, your urine production may increase for 24 hours after having tests that involve injecting a special dye (contrast medium) into your vein during imaging tests such as a CT scan or an MRI scan.
To monitor your urine output, keep a daily record of the following:
Contact your health care provider if you have excessive urination over several days, and it is not explained by medicines you take or drinking more fluids.
Your provider will perform a physical exam and ask questions such as:
Tests that may be done include:
Elsamra SE. Evaluation of the urologic patient: history and physical examination. In: Partin AW, Domochowski RR, Kavoussi LR, Peters CA, eds. Campbell-Walsh-Wein Urology. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 1.
Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 106.BACK TO TOP
Review Date: 7/26/2021
Reviewed By: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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