Stephen J. Schueler, M.D.

Overview Evaluation Treatment Home Care warning signs Underlying Cause

Excessive Thirst Overview

What is excessive thirst?
A person with excessive thirst experiences thirst that is unrelieved by drinking fluids. The most common cause of excessive thirst is dehydration. Excessive thirst may be a symptom of elevated blood sugar in the diabetic.

What are the symptoms of excessive thirst?
Symptoms depend on the underlying cause for the excessive thirst. Common symptoms include weakness, nausea, and decreased urination. Other symptoms of dehydration may be present.

How does the doctor treat excessive thirst?
Treatment of excessive thirst depends on the underlying cause. Treatment may include oral fluids or intravenous fluids.

Continue to Excessive Thirst Evaluation

Last Updated: Aug 26, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Excessive Thirst References
  1. McKinley MJ, Cairns MJ, Denton DA, et al. Physiological and pathophysiological influences on thirst. Physiol Behav. 2004 Jul;81(5):795-803. [15234185]
  2. Noakes T; IMMDA. Fluid replacement during marathon running. Clin J Sport Med. 2003 Sep;13(5):309-18. [14501315]
  3. Wright M, Woodrow G, O'Brien S, King N, Dye L, Blundell J, Brownjohn A, Turney J. Polydipsia: a feature of peritoneal dialysis. Nephrol Dial Transplant. 2004 Jun;19(6):1581-6. [15069171]
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