Diabetes insipidus is a rare disease in which the kidneys stop filtering urine normally. There are different types of the condition, including central, nephrogenic, dipsogenic, and gestational diabetes insipidus. Common symptoms of this disease include excessive urination and increased thirst.
(To learn more about this condition, click Diabetes Insipidus. This eMedTV article offers a complete overview of the condition, including an explanation of how it differs from diabetes mellitus.)