Xylitol is a five carbon polyol (sugar alcohol) produced from natural plants and is used for preventing dental caries and AOM in children. It is commercially available in chewing gums, syrups and toothpastes washes, and other products. Xylitol was shown in several studies to prevent the culture if bacteria in the nasopharynx and oral cavity. It was proven to eliminate the ability of bacteria to attach to the mucosa of the upper respiratory system.