In many respects, the diagnosis of<unk>  begins as a diagnosis of exclusion. Specifically, other more common causes of polyuria and polydipsia are ruled out. Common rule outs include: diabetes mellitus, chronic kidney disease, hypokalemia, hypercalcemia, and psychogenic polydipsia. Once these conditions have been ruled out a water deprivation test is employed to confirm the diagnosis of<unk> .
Central diabetes insipidus
Nephrogenic diabetes insipidus
Vasoplegic syndrome
Diabetes insipidus
Syndrome of inappropriate antidiuretic hormone secretion
Diurnal enuresis
Primary polydipsia
Adrenal fatigue