1 Conquer constipationby drinking water and eating high-fiber foods like beans, lentils, vegetables, and fresh or dried fruit.  Drive away diarrhea with bland foods such as rice, bananas, and apples. Drink water to stay hydrated.
substitute (plural substitutes) 1  A replacement or stand-in for something that achieves a similar result or purpose. ( 2 sports) A player who is available to replace another if the need arises, and who may or may not actually do so. ( 3 historical) One who enlists for military service in the place of a conscript.
These products range from saliva substitutes and stimulants to products designed to minimize dental problems. Saliva substitutes: Artificial saliva or saliva substitutes can be used to replace moisture and lubricate the mouth. Artificial salvias are formulated to mimic natural saliva, but they do not stimulate salivary gland production.