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.
The following foods are allowed in a clear liquid diet: ï· Plain water. ï· Fruit juices without pulp, such as apple juice, grape juice or cranberry juice. ï· Strained lemonade or fruit punch. ï· Clear, fat-free broth (bouillon or consommÃ©) ï· Clear sodas. ï· Plain gelatin.