Saccharomyces boulardii is a yeast that resists well in acid habitat and to antibiotics, remaining intact and viable throughout the gastrointestinal tract, during which interacts with the microflora and the intestinal mucosa. Saccharomyces boulardii protects against enteric pathogens, it modulates the immune response, it reduces inflammation and fluid and electrolyte secretion, it inhibits bacterial toxins

The traveler’s diarrhea, also known as “Montezuma’s Revenge”, is a very common disorder that can occur during or shortly after a trip to a country with poor sanitary conditions such as Africa, South America, some parts of the Middle East and most part of Asia. It is caused by the ingestion of food and beverages

Probiotics and the term literally means “for life” are ”living micro-organisms” that improve the microbial balance of the host and have beneficial effects on health” (Gut 1991, 32:439-442). Once defined generically”” lactic acid bacteria, probiotics play an important role on the health, of those who take them in an adequate amount, of a beneficial effect

During the winter season the use of antibiotics is intensified which, in case of bacterial infections, they act on different pathogens responsible for the disease, counteracting the negative action. However, if on the one hand exert their action against bacteria responsible for the infection, other organisms also attack the “good” that regulate and maintain the