Thirst is a common sign of dry mouth, and not just when dehydration causes it. When your mouth is dry, you may feel as though you are thirsty even if you have drunk plenty of water. Using gum or candy to stimulate saliva production can fix this. However, many people don't realize how little water they consume throughout the day. It may just be that you are not hydrating enough. If you think dry mouth causes your thirst, you should try to track your water intake for several days to see if that is the problem.

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