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A Fluid Ounce of Prevention is Worth a Liter of Cure: Approach to Changes in Water Intake

This session gives a brief review of the pathophysiology of thirst and subsequent exploration of the causes that can lead to changes in water intake. We will examine the differential diagnoses associated with polyuria/polydipsia as well as considering causes of decreased water intake, and conclude with ways to evaluate these problems diagnostically and monitor them over time.


  • Review the pathophysiology of thirst and polyuria/polydipsia.
  • Learn ways to approach the problems of polyuria/polydipsia as well as address the concern of decreased water intake.
  • Discuss possible ways to monitor polyuria/polydipsia or decreased water intake over time and why this is important.
  • Explore ways to enhance communication between the veterinarian and owner on the importance of hydration status.

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Laura Greene, DVM, DACVIM

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Dr. Laura Greene graduated from NC State's College of Veterinary Medicine, completed a rotating small animal internship at the University of Georgia, completed her residency in internal medicine at NCSU, and is a Diplomate of the American College of Veterinary Internal Medicine. She worked in specialty private practice before joining Merck Animal Health as a Senior Professional Services Veterinarian. Her areas of interest include infectious disease, immunology, and endocrinology, and she has a particular passion for teaching.