Question

A 40-year-old woman presents with polyuria, polydipsia, and normal serum glucose. She undergoes a water deprivation test which shows continued low urine osmolality that rises dramatically after desmopressin administration. What is the likely diagnosis?

Accepted Answer

Central diabetes insipidus

Answer

Nephrogenic diabetes insipidus

Answer

Primary polydipsia

Answer

Psychogenic polydipsia

Answer

Diabetes mellitus type 1

Practice question

A 40-year-old woman presents with polyuria, polydipsia, and normal serum glucose. She undergoes a water deprivation test which shows continued low urine osmolality that rises dramatically after desmopressin administration. What is the likely diagnosis?