What condition is characterized by increased daily urine output?

The condition characterized by increased daily urine output is polyuria. This phenomenon typically involves the production of more than 3 liters of urine per day in adults, which can be indicative of various underlying conditions, such as diabetes mellitus or diabetes insipidus.

In the context of polyuria, the excess urine output is due to an increase in the solute load that the kidneys must filter, often resulting from elevated blood glucose levels or inadequate antidiuretic hormone (ADH) action. Patients suffering from polyuria may experience frequent urination along with increased thirst, as the body attempts to compensate for fluid loss.

The other conditions listed do not represent increased urine output: oliguria refers to a significant decrease in urine output (usually defined as less than 400 milliliters per day), anuria indicates a complete cessation of urine production (less than 100 milliliters per day), and hematuria is the presence of blood in the urine, which is unrelated to the volume of urine produced.