There are also many other potential causes of severe thirst. These include:
Feeling thirsty all the time and for no good reason isn't normal and should be investigated by your GP.
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
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