Polyuria is the condition when the patient has frequent micturition but with normal urine output every time. As a result, the overall amount of urine discharged every 24 hours exceeds 2-3 litres. Of course, the amount of urine always depends on the amount of liquids consumed. Among the most common causes of pyuria are: 


  • Diabetes mellitus
  • Diabetes Insipidus (severely diluted urine)
  • Pharmaceutical agents, such as diuretics
  • High coffee consumption
  • High alcohol consumption
  • Polydipsia (excessive thirst and fluid intake)