A member asked:

I don't know why i'm so thirsty. even after drinking a gallon of water a day i am still very thirsty. what could this mean?

A doctor has provided 1 answer
Dr. Robert Killian answered

Specializes in General Practice

Thirst: First and foremost the most common reason is diabetes. Please get to your physician this week and get yourself tested. If you have become diabetic it is not safe to not know what your blood sugar level is.

Answered 6/22/2013

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I can drink and drink water, but I still feel thirsty after?

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