Last reviewed: November 2017
Last updated: November  2017

Summary

Differentials

Common

  • Vomiting
  • Severe diarrhea
  • Laxative and bowel cleansing agent use
  • Bulimia nervosa
  • Anorexia nervosa
  • Drug-induced
  • Alcoholism
  • Diabetic ketoacidosis
  • Nonketotic hyperglycemia
  • Renal tubular acidosis (RTA)
  • Exercising in a hot climate
  • Stress response in critical illness

Uncommon

  • Villous adenoma
  • VIPoma
  • Ileal loop/conduit with ureteric implants
  • Dialysis or plasmapheresis
  • Primary aldosteronism
  • Apparent mineralocorticoid excess
  • Cushing syndrome
  • Central diabetes insipidus (DI)
  • Hypomagnesemia
  • Hypokalemic periodic paralysis
  • Congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency
  • Bartter syndrome
  • Gitelman syndrome
  • Liddle syndrome
  • Renal disease associated with Sjogren syndrome
  • Renal disease associated with lupus nephropathy
  • Burns
  • Eczema involving a large surface area
  • Psoriasis involving a large surface area
  • Cystic fibrosis (CF)
  • Primary (often psychogenic) polydipsia
  • Hypothermia

Contributors

Authors VIEW ALL

Professor of Medicine

University of Iowa

Des Moines Internal Medicine Residency Training Program

Staff Endocrinologist

Veterans Affairs Medical Center

Des Moines

IA

Disclosures

UK is an author of references cited in this topic.

Dr Udaya Kabadi would like to gratefully acknowledge Dr Sumit Sharma and Dr Preeti Agrawal, previous contributors to this monograph. SS and PA declare that they have no competing interests.

Peer reviewers VIEW ALL

Assistant Professor

Department of Internal Medicine

Division of Nephrology

University of Iowa Hospital and Clinics

Iowa City

IA

Disclosures

MS declares that he has no competing interests.

Associate Professor of Clinical Medicine

Chicago Medical School

Rosalind Franklin University of Medicine and Science

Associate Program Director

Department of Medicine

Mount Sinai Hospital

Chicago

IL

Disclosures

SCH declares that he has no competing interests.

Nephrologist

Aristotle University

Thessaloniki

Greece

Disclosures

DK declares that he has no competing interests.

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