Thirst
Introduction
Feeling thirsty all the time and for no good reason isn't normal and should be investigated by your GP.
Thirst is normally justthe brain's way of warning that you're Dehydration because you're not drinking enough fluid. Butexcessive and persistent thirst (known aspolydipsia) could be a sign ofan underlying problem such as diabetes .
Medically Reviewed by a doctor on 4 Jan 2017
Introduction
Feeling thirsty all the time and for no good reason isn't normal and should be investigated by your GP.
Common causes of thirst
Dehydration You will usually feel thirsty because you're notdrinking the amount of fluid your body needs. This may be because you've been sweating heavily or you've lost fluid because you have diarrh
Other causes of thirst
There are also many other potential causes of severe thirst. These include: diabetes insipidus a condition caused by problems with a hormone that regulates the amount of fluid in the body dia
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