Thirst, absent

Considerations:
The absence of thirst at various times during the day is normal, if the body is not requiring fluid replacement. However, when the body needs fluid replacement and there is still a lack of thirst then see your health care provider right away.

Common Causes:

Note: There may be other causes of absent thirst. This list is not all inclusive, and the causes are not presented in order of likelihood. The causes of this symptom can include unlikely diseases and medications. Furthermore, the causes may vary based on age and gender of the affected person, as well as on the specific characteristics of the symptom such as time course, aggravating factors, relieving factors, and associated complaints. Use the Symptom Analysis option to explore the possible explanations for absent thirst, occurring alone or in combination with other problems.

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 Healthcare Provider If:

  • there is any abnormal absence of thirst.



What to Expect:
The medical history will be obtained and a physical examination performed.

Medical history questions documenting the absence of thirst in detail may include:

  • time pattern:
    • When was symptom 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

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.