Polyuria - Revision history

Danbot: Add verified PubMed references (PMIDs 34509418, 28967192)

2026-03-22T10:55:41Z

Add verified PubMed references (PMIDs 34509418, 28967192)

← Older revision		Revision as of 10:55, 22 March 2026
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	==Background==		==Background==
	*Polyuria is defined as excessive urine output: >3 L/day in adults or >2 L/m² in children		*Polyuria is defined as excessive urine output: >3 L/day in adults or >2 L/m² in children<ref>Ramírez-Guerrero G, Müller-Ortiz H, Pedreros-Rosales C. Polyuria in adults. A diagnostic approach based on pathophysiology. Rev Clin Esp (Barc). 2022 May;222(5):301-308. PMID 34509418</ref>
	*Distinguish from urinary frequency, which may not produce high ''volumes'' of urine		*Distinguish from urinary frequency, which may not produce high ''volumes'' of urine
	*In the ED, polyuria is usually secondary to an identifiable cause (hyperglycemia, medication effect, post-obstructive diuresis)		*In the ED, polyuria is usually secondary to an identifiable cause (hyperglycemia, medication effect, post-obstructive diuresis)<ref>Nigro N, et al. Polyuria-polydipsia syndrome: a diagnostic challenge. Intern Med J. 2018 Mar;48(3):244-253. PMID 28967192</ref>
	*Key EM consideration: assess for volume depletion and electrolyte derangements resulting from excessive urination		*Key EM consideration: assess for volume depletion and electrolyte derangements resulting from excessive urination
	*May be an early presentation of [[diabetic ketoacidosis]], [[HHS]], or [[diabetes insipidus]]		*May be an early presentation of [[diabetic ketoacidosis]], [[HHS]], or [[diabetes insipidus]]

Danbot: Strip excess bold

2026-03-22T09:36:59Z

Strip excess bold

Danbot: Expanded with EM-focused content: osmotic vs water diuresis distinction, evaluation algorithm, condition-specific management, disposition

2026-03-20T23:31:17Z

Expanded with EM-focused content: osmotic vs water diuresis distinction, evaluation algorithm, condition-specific management, disposition

Show changes

ClaireLewis: /* Evaluation */

2019-08-18T16:02:57Z

Evaluation

← Older revision		Revision as of 16:02, 18 August 2019
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	==Evaluation==		==Evaluation==
			[[File:Polyuria algorithm.png\|thumb\|]]
	*Evaluate for [[dehydration]]		*Evaluate for [[dehydration]]
	*BMP		*BMP

ClaireLewis at 15:40, 18 August 2019

2019-08-18T15:40:37Z

← Older revision		Revision as of 15:40, 18 August 2019
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	==Background==		==Background==
			*Excessive urine volume
			**Distinguish from urinary frequency, which may not produce high ''volumes'' of urine

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

	==Differential Diagnosis==		==Differential Diagnosis==
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	==Evaluation==		==Evaluation==
			*Evaluate for [[dehydration]]
			*BMP
			*UA
			*Additional workup depending on history
			*Consider:
			**Urine osmolality, electrolytes
			**Serum osmolality
			**Serum ADH
			**Renal imaging

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

	==Disposition==		==Disposition==
			*Dependant on presentation/severity

	==See Also==		==See Also==

ClaireLewis: /* Differential Diagnosis */

2019-08-18T15:33:54Z

Differential Diagnosis

@@ Line 6: / Line 6: @@
 ==Differential Diagnosis==
-{{Polyuria ddx}}
+===[[Polyuria]]===
 ==Evaluation==

Mholtz at 05:16, 25 September 2018

2018-09-25T05:16:45Z

← Older revision		Revision as of 05:16, 25 September 2018
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	==References==		==References==
	<references/>		<references/>

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

Rossdonaldson1: Created page with "==Background== ==Clinical Features== ==Differential Diagnosis== {{Polyuria ddx}} ==Evaluation== ==Management== ==Disposition== ==See Also== ==External Links== =..."

2018-09-20T02:34:36Z

Created page with "==Background== ==Clinical Features== ==Differential Diagnosis== {{Polyuria ddx}} ==Evaluation== ==Management== ==Disposition== ==See Also== ==External Links== =..."

New page

==Background==

==Clinical Features==

==Differential Diagnosis==
{{Polyuria ddx}}

==Evaluation==

==Management==

==Disposition==

==See Also==

==External Links==

==References==
<references/>

← Older revision		Revision as of 09:36, 22 March 2026
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	===Water Diuresis===		===Water Diuresis===
	*~~'''~~Central [[diabetes insipidus]]~~'''~~: pituitary surgery, traumatic brain injury, tumor, infiltrative disease		*Central [[diabetes insipidus]]: pituitary surgery, traumatic brain injury, tumor, infiltrative disease
	*~~'''~~Nephrogenic diabetes insipidus~~'''~~: [[lithium]], [[hypercalcemia]], [[hypokalemia]], chronic kidney disease		*Nephrogenic diabetes insipidus: [[lithium]], [[hypercalcemia]], [[hypokalemia]], chronic kidney disease
	*Psychogenic polydipsia (primary polydipsia)		*Psychogenic polydipsia (primary polydipsia)

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	===Condition-Specific===		===Condition-Specific===
	*~~'''~~Hyperglycemia/DKA/HHS~~'''~~: insulin, IV fluids, electrolyte replacement (see [[DKA]], [[HHS]])		*Hyperglycemia/DKA/HHS: insulin, IV fluids, electrolyte replacement (see [[DKA]], [[HHS]])
	*~~'''~~Post-obstructive diuresis~~'''~~: monitor closely; replace urine output with IV fluids if hemodynamically significant (typically 0.5x urine output with NS); watch for electrolyte derangements		*Post-obstructive diuresis: monitor closely; replace urine output with IV fluids if hemodynamically significant (typically 0.5x urine output with NS); watch for electrolyte derangements
	*~~'''~~Central diabetes insipidus~~'''~~: [[desmopressin]] (DDAVP), endocrinology consultation		*Central diabetes insipidus: [[desmopressin]] (DDAVP), endocrinology consultation
	*~~'''~~Nephrogenic diabetes insipidus~~'''~~: treat underlying cause, thiazide diuretics paradoxically reduce urine output, NSAIDs		*Nephrogenic diabetes insipidus: treat underlying cause, thiazide diuretics paradoxically reduce urine output, NSAIDs
	*~~'''~~Lithium-induced DI~~'''~~: consider amiloride; nephrology consultation		*Lithium-induced DI: consider amiloride; nephrology consultation
	*~~'''~~Psychogenic polydipsia~~'''~~: fluid restriction, psychiatric consultation		*Psychogenic polydipsia: fluid restriction, psychiatric consultation

	==Disposition==		==Disposition==