IntroductionDiabetes insipidus (DI) is a clinical condition characterized by excretion of large volume of low specific gravity urine (1).Diabetes insipidus can be central in which there is deficient production of arginine vasopressin (AVP) also known as anti-diuretric hormone (ADH) or nephrogenic in which there is end organ resistance to ADH action (1). ClassificationEtiological classification of diabetes insipidus is as follows. Central Diabetes Insipidus (CDI)A. Idiopathic B. Familial C.