Symptom Checker

Step 4: Read and complete the decision guide to learn more about your symptoms.

Dry Mouth and Excessive Thirst

Getting Started

Welcome to the symptom guide regarding dry mouth and/or excessive thirst. We're sorry to hear you're having this problem!

This symptom guide is designed for persons who have noticed dryness of the mouth and/or unexplained thirst and would like to find out more about this condition. Please keep in mind that this guide cannot replace a face-to-face evaluation with your own doctor. It is meant to provide helpful information while you are awaiting further evaluation or to supplement what you may have already learned after evaluation with your doctor.

This guide will focus on dry mouth that has been persistent over time. Temporary dryness of the mouth may accompany nervousness, anxiety, and breathing through the mouth (as many people do when they sleep). Eating a salty or spicy meal can be a cause of temporary (though intense) thirst.

It's also worth mentioning that many people drink frequently out of habit. They may feel thirsty if unable to drink as often as they're used to even though there is no real disease causing the thirst. It can be hard to tell whether this is the cause of a person's thirst or dry mouth without first ruling out other possibilities.

You'll be asked a series of questions that will walk you through some of the most common causes that may explain your symptoms. The guide will cover the most common reasons for dry mouth; however, it won't cover every cause.

Okay, let's get started.

Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a health professional. Use of this content is subject to specific Terms of Use & Medical Disclaimers.

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