Non-Inferiority Trial Comparing Eurofarma's Experimental Product Saccharomyces Boulardii Versus Floratil® in the Prevention of Antibiotic-Associated Diarrhea

Inclusion Criteria: 1. ICF signature; 2. The subject must agree to follow the instructions and to perform study procedures and visits; 3. Male and female subjects between 18 and 65 years old; 4. Subjects who have scheduled a treatment or started the use of antibiotics over 24 hours ago: Exclusion Criteria: 1. Generalized infection or bacteremia; 2. Chronic gastrointestinal diseases (e.g., Crohn's Disease and Irritable Bowel Syndrome); 3. Documented chronic diarrhea; 4. Acute diarrhea episode within 24 hours prior to the start of antibiotic use. Use of tube feeding (nasogastric and nasoenteral); 5. Immunodeficiency (radiotherapy or chemotherapy); 6. Use of food with probiotic properties in the last 10 days;