The object of the present invention is a probiotic bacteria based composition and use thereof in the prevention and/or treatment of respiratory pathologies and/or infections and in the contemporaneous improvement of the intestinal functionality, which can be compromised by therapeutic treatments adopted for re-solving said pathological conditions. Besides that, aim of this invention is a probiotic bacteria-based composition comprising moreover a suitable quantity of at least a substance or nourishment having prebiotic properties and eventually, of suitable pharmacologically active substances.
