Health Encyclopedia

Thirst - absent

Definition

Absence of thirst is a lack of the urge to drink fluids.

Alternative Names

Adipsia; Lack of thirst; Absence of thirst

Considerations

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.

Common Causes

Hypothalamic injury or tumor
Head injury
Stroke
Bronchial tumor that causes SIADH
Cirrhosis

Home Care

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).

Call your health care provider if

Call for an appointment with your health care provider if you notice any abnormal lack of thirst.

What to expect at your health care provider's office

The health care provider will obtain your medical history and will perform a physical examination.

Medical history questions may include the following:

When did you first notice this problem?
Did the absence of thirst develop suddenly or slowly?
Is the thirst decreased or totally absent?
Is drinking fluids possible?
Did the loss of thirst follow a head injury?
What other symptoms do you have?
Do you have abdominal pain?
Do you have headaches?
Do you have difficulty swallowing?
Do you suddenly dislike drinking fluids?
Do you have difficulty breathing?
Do you have a cough?
Do you have any changes in appetite?
Do you urinate less than usual?
Do you have any changes in skin color?
What medications are you taking?

The physical examination may include a detailed nervous system examination if a head injury or problem with the hypothalamus is suspected. Diagnostic tests will vary depending on the history and physical examination findings.

Necessary fluids may be given through a vein (IV).

Review Date:1/18/2007
Reviewed By:Benjamin W. Van Voorhees, MD, MPH, Assistant Professor of Medicine and Pediatrics, The University of Chicago, Chicago, IL. Review provided by VeriMed Healthcare Network.

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