Diabetes Insipidus (DI)%u2022 Central DI (vasopressin deficiency)%u2022 Nephrogenic DI (kidney resistance to vasopressin)Types of Diabetes Insipidus:%u2022 Polyuria%u2022 Polydipsia%u2022 NocturiaCommon symptoms:%u2022 Water deprivation test followed by desmopressin administrationDiagnosis: