Medical Dictionary Search Engines

Please be patient! It may take up to ONE minute to load all the Engines.
Problems? Please contact our support.


Search For


Specialty Search




Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk Bl-Bz C-Cg Ch-Co Cp-Cz D-Di Dj-Dz E-Ep Eq-Ez F G H-Hf Hg-Hz I-In Io-Iz J K L-Ln Lo-Lz M-Mf Mg-Mz N O P-Pl Pm-Pz Q R S-Sh Si-Sp Sq-Sz T-Tn To-Tz U V W X Y Z 0-9   

Thirst - absent

Alternative names

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


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

  • Hypothalamic injury or tumor
  • Head injury
  • Stroke
  • Bronchial tumor ( SIADH conditions)
  • Cirrhosis

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

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

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

Medical history questions may include the following:

  • 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.

Necessary fluids may be replaced intravenously.

Update Date: 5/4/2003

Bridget Martell, M.D., Department of Internal Medicine, Albert Einstein College of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.

©2009 [Privacy Policy] [Disclaimer]
Last updated: Tue, 06 Jan 2009 00:20:03 GMT