Ver el código de «Polyuria»

==Background==
*Excessive urine volume
**Distinguish from urinary frequency, which may not produce high ''volumes'' of urine

==Clinical Features==
*3 L/day of urine in adults and 2 L/m2 in children

==Differential Diagnosis==
===[[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

==Evaluation==
[[File:Polyuria algorithm.png|thumb|]]
*Evaluate for [[dehydration]]
*BMP
*UA
*Additional workup depending on history
*Consider:
**Urine osmolality, electrolytes
**Serum osmolality
**Serum ADH
**Renal imaging

==Management==
*Correct [[electrolyte abnormalities]], [[dehydration]]
*Treat underlying pathology if known

==Disposition==
*Dependant on presentation/severity 

==See Also==


==External Links==


==References==
<references/>

[[Category:Urology]]
[[Category:Endocrinology]]
[[Category:Symptoms]]