Saccharomyces boulardii Bulk is a probiotic whose main function is to be used in people who suffer from diarrhea caused by intestinal flora imbalance. Diseases that cause intestinal flora imbalance include acute and chronic diarrhea, dyspepsia and irritable bowel syndrome, antibiotic-induced diarrhea and colitis. 1. Infectious or non-specific diarrhea: Saccharomyces boulardii can be used for acute diarrhea caused by acute bacillary dysentery, dyspepsia, irritable bowel syndrome and other diseases in children and adults. 2. Saccharomyces boulardii can be used for the prevention and treatment of antibiotic-induced colitis and diarrhea. Information on the use of this drug during pregnancy and lactation is unknown and should be avoided. It is contraindicated in people who are allergic to one of the components of the drug. All of the above medications should be used under the guidance of a doctor to avoid self-medication, which may lead to a misunderstanding of the condition.