Polyuria (/ˌpɒliˈjʊəriə/) is excessive or an abnormally large production or passage of urine (greater than 2.5 L or 3 L over 24 hours in adults). Increased production and passage of urine may also be termed diuresis.

What is the difference between oliguria and polyuria?

Oliguria: It is defined as reduced urine output below 400mL/day. Such urinary volume is insufficient to excrete the daily osmolar load. It occurs often in the clinical setting and may be caused by prerenal, renal, or postrenal renal failure. Polyuria: It is defined as increased volume of urine (>3 L of urine per day).

Does Diuretics cause polyuria?

Other common causes of excessive urination volume

Drinking alcohol and caffeine can also lead to polyuria. Certain medications, such as diuretics, increase urine volume.