Besides central DI further underlying etiologies of DI can be due to other primary forms (renal origin) or secondary forms of polyuria (resulting from primary polydipsia).

除了中枢性尿崩症之外，DI的潜在病因还可能是由于其他原发性形式(肾源性)或继发性形式的多尿(由原发性多饮引起)。