A Prospective Real-World Study of Bacillus clausii Evaluating Use, Treatment Habits and Patient Satisfaction in Italian Community Pharmacies: The PEGASO Study.

This is the first pharmacy-based study in Italy that evaluated the real-world usage of an OTC probiotic containing B. clausii among self-medicating adults. Diarrhoea was the most common reason for use, with high-level of perceived effectiveness and patient satisfaction with B. clausii.