Diabetes mellitus Electrolyte imbalances Hypercalcemia Hypokalemia Bartter syndrome Catecholamine excess Pheochromocytoma Neuroblastoma Ganglioneuroma Cystinosis Diabetes insipidus (antidiuretic hormone deficient) Craniopharyngioma Pituitary adenoma Langerhans cell histiocytosis Head trauma Sarcoidosis Leukemia Infection Aneurysm Intraventricular hemorrhage Hereditary Drugs Methylxanthines Amphotericin B Diuretics Lithium Renal causes Renal tubular acidosis Nephrogenic diabetes insipidus Sickle cell anemia Interstitial nephritis Obstructive uropathy Primary polydipsia Psychogenic polydipsia