Template:Polyuria ddx

Polyuria

• Osmotic diuresis
  • Hyperglycemia
  • Mannitol
• Drugs: diuretics, caffeine, acetazolamide, lithium
• Hypercalcemia
• Hypokalemia
• Diabetes insipidus
• Cushing's syndrome, primary hyperaldosteronism
• Inability to concentrate urine (e.g. chronic pyelonephritis, sickle cell disease, amyloidosis
• Post-obstructive diuresis
• Early renal failure
• High fluid intake
  • Excess IVF
  • Psychogenic polydipsia