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Thirst - absent
Definition:
A lack of thirst.

Alternative Names:
Adipsia; Lack of thirst; Absence of thirst

Considerations:
The absence of thirst at various times during the day is normal, if the body is not requiring fluid replacement. However, a rapid change in the need for fluids should prompt a visit to your physician.
Common Causes:
Home Care:
Follow your health care provider's recommendations. Drink adequate amounts of fluids, even if you do not feel thirsty (6 to 8 glasses per day may be advised).
Call your health care provider if:
  • there is any abnormal absence of thirst.
What to expect at your health care provider's office:
A medical history and physical examination will be performed.

Medical history questions may include:
  • time pattern:
    • When was the symptom first noticed?
    • Did the absence of thirst develop suddenly or slowly?
  • quality:
    • Is the thirst decreased or totally absent?
    • Is drinking fluids possible?
    • Did the loss of a thirst sensation follow a known head injury?
  • other
    • What other symptoms are also present?
    • Is there abdominal pain?
    • Are there headaches?
    • Is there difficulty swallowing?
    • Is there an aversion to drinking fluids?
    • Is there difficulty breathing?
    • Is there a cough?
    • Are there changes in the appetite?
    • Is there a decrease in the amount of urine produced?
    • Are there changes in skin color?
    • What medications are being taken?
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.

Intervention:
Necessary fluids may be replaced intravenously.

After seeing your health care provider:
You may want to add a diagnosis related to absent thirst to your personal medical record.
Review Date: 11/30/2001
Reviewed By: Steven Angelo, M.D. Department of Internal Medicine, Yale School of Medicine, Hospital of Saint Raphael, New Haven, CT. Review provided by VeriMed Healthcare Network.
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