ANATOMY

Detailed explanation-1: -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.

Detailed explanation-2: -polyuria is a topic covered in the Taber’s Medical Dictionary. (pol″ē-ūr′ē-ă) [poly-+-uria] Excessive secretion and discharge of urine; specifically, urination in excess of 50 mL/kg of body weight per day.

Detailed explanation-3: -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.

Detailed explanation-4: -The definition of oliguria is low urine output, while anuria means no urine output. Polyuria means excessive urine production. Paying attention to urine has been a medical tool for thousands of years.

Detailed explanation-5: -extreme thirst (polydipsia) peeing a lot, even at night (polyuria)