A 27-Month-Old Boy with Polyuria and Polydipsia

Table 1

Causes of polyuria and polydipsia in children.

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Primary polydipsia

Central diabetes insipidus

Nephrogenic diabetes insipidus

Obstructive uropathy

Renal failure

Conn’s syndrome

Addisonian crisis

Diabetes mellitus

Hypokalemia

Hypercalciuria

Hypercalcemia

Bartter syndrome

Fanconi syndrome

Sickle cell anemia

Anorexia nervosa

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