A dry mouth is another common symptom of this condition, caused by similar factors as dry eyes. As well as inflaming the tear glands to reduce the supply of tears, the disease also inflames the saliva glands and eventually destroys them, leading to dry mouth and lips. The dry-mouth feeling may differ from the sensation one feels after drinking too little water on a hot day. The individual may find their tongue sticks to the roof of their mouth or is unusually red. Some people notice hoarseness and changes in how foods taste. There are a number of medical causes for dry mouth, however, including diabetes.
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