Thirst, when excessive, is a symptom of a constant need to introduce fluids in the body. Even if your drink habits are sufficient for the daily need, the need to do it all the time may be indicative of a physical or psychological disorder. Excessive thirst can be a symptom of hyperglycemia, bleeding, psychiatric illness or psychogenic polydipsia.

Sometimes thirst is due to: the assumption of certain medications (such as diuretics), to burn, to heart failure, liver or kidney failure or, more simply, to a meal too salty or very spicy.


What kind of diseases can be associated with thirst?

The following diseases may be associated with thirst:

  • Diabetes
  • Diabetes insipidus
  • Liver failure
  • Kidney failure
  • Peritonitis
  • Psychogenic polydipsia
  • Heart failure

Remember that this is not an exhaustive list and it is highly recommended to consult your doctor, in case of symptom’s persistence.


What is the therapy for thirst?

The most appropriate remedy in the event of thirst is to drink plenty. The best drink is water.

Sometimes you may need to change the dose of some medications taken regularly, but before doing so, it is essential to contact your doctor. Other times you may have to start a new drug therapy to control diseases like diabetes.

In case of peritonitis, however, you may need surgery.


When is most likely to contact your doctor in case of thirst?

In case of excessive thirst, speak to your doctor. If the problem persists with no apparent cause, whether it is associated with unexplained symptoms such as blurred vision and fatigue and it is associated with excessive production of urine (5 or more liters a day) you should again contact your doctor.