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Alternative NamesAdipsia; Lack of thirst; Absence of thirst
Definition Return to top
Absence of thirst is a lack of the urge to drink fluids.
Considerations Return to top
Not being thirsty at various times during the day is normal, if the body does not need fluid replacement. However, a quick change in the need for fluids should prompt a visit to your doctor.
Causes Return to top
Home Care Return to top
Follow your health care provider's recommendations. Drink enough fluids, even if you do not feel thirsty (6 - 8 glasses each day may be advised).
When to Contact a Medical Professional Return to top
Call for an appointment with your health care provider if you notice any abnormal lack of thirst.
What to Expect at Your Office Visit Return to top
The health care provider will take a medical history and perform a physical examination.
Medical history questions may include the following:
The physical examination may include a detailed nervous system examination if the health care provider suspects a head injury or problem with the hypothalamus. Diagnostic tests will vary depending on the history and physical examination findings.
Necessary fluids may be given through a vein (IV).
References Return to top
Robinson AG, Verbalis JG. Posterior pituitary. In: Kronenberg HM, Shlomo M, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, Pa: Saunders Elsevier;2008:chap 9.
Oh MS. Evaluation of renal function, water, electrolytes and acid-base balance. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa: Saunders Elsevier;2006:chap 14.Update Date: 2/22/2009 Updated by: Linda Vorvick, MD, Family Physician, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.