The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.
Saccharomyces boulardii is an intestinal flora replacement which acts as antidiarrheal microorganisms in the digestive tract. During transit under its viable form in the digestive tract, saccharomyces boulardii exerts biological actions which are similar to the protective properties of the normal intestinal flora.