Thirst Overview

An increased thirst is normal in conditions such as hot weather, exercise, increased exertion, and similar situations. An abnormal or excessive thirst, also called polydipsia, can be the symptom of various disorders.

Dehydration is one obvious cause, and this can be dangerous. Unexplained thirst is also a classic symptom of diabetes, especially in Type 1 diabetes (undiagnosed), but also in Type 2 diabetes. With both types of diabetes, the person usually has an abnormal thirst along with excessive urination.

There are various other causes of abnormal thirst such as metabolic imbalances, kidney disorders, psychological disorders, and other causes.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.