Type 2 diabetes insipidus (DI) is a rare form of diabetes characterized by the kidneys' inability to conserve water; leading to excessive urination and thirst. This short note provides an overview of Type 2 diabetes insipidus; including its etiology; clinical manifestations; diagnosis; and management. By summarizing key aspects of this condition; we aim to enhance understanding and awareness of Type 2 diabetes insipidus among healthcare professionals and the general public.