There are many causes of dry mouth. Dry mouth most commonly occurs as a side effect of medications that cause decreased saliva production, including high blood pressure medications, antihistamines, antidepressants, diuretics, nonsteroidal anti-inflammatories, narcotics, and many others.
Liquid diet: The Liquid diet is the restriction of solid food intake, and replacement of solid food with liquids. In hospitals, liquid diets are prescribed by doctors for a number of reasons for patients who are unable to consume solid foods. Liquid diets may be prescribed following surgery or as a preparation for certain medical procedures.
So too, is tea, very good news for our friends across the point. On a clear liquid diet, you can also have clear soup broths, clear fruit juice, clear carbonated drinks (who knew 7-Up was a health food?), popsicles and gelatin. A full liquid diet is like a clear liquid diet, only you can have liquids that are not clear. I know, rocket science, right? Among liquids you can have on a full-liquid diet are milk, ice cream, pudding, cream soups, oatmeal, cream of wheat, honey and purred vegetables.