DEAR DR. GOTT: What health concerns are indicated by dry mouth and an insatiable thirst?
DEAR READER: Dry mouth is a rather vague symptom and can be an indication of several disorders or side effects of certain medications or habits, such as smoking. Increased thirst can result as the body attempts to restore moisture to the mouth.
Because your letter is so short, I cannot provide a definitive answer, but based on your wording, I will give you some information about the two most likely (in my mind) candidates: Sjogren’s syndrome and diabetes insipidus.
Sjogren’s syndrome is an immune-system disorder caused by the body mistakenly attacking itself. It affects the mucous membranes and moisture-secreting glands, causing decreased production. It most commonly affects the eyes and mouth.
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