Polyuria is defined as the frequent passage of large volumes of urine – more than 3 litres a day compared to the normal daily urine output in adults of about 1 to 2 litres. It can have various causes which include: ▪︎Type 1 and Type 2 Diabetes ▪︎Diabetes Insipidues ▪︎Pregnancy ▪︎Cushing's Syndrome ▪︎Renal Disease ▪︎Certain Medications like diuretics, calcium channel blockers