Specific strains of probiotics have been identified and suggested for a number of conditions. Examples include specific strains to prevent upper respiratory tract infections in children attending day care centers, prevention of nosocomial diarrhea, prevention of antibiotic-associated diarrhea, and treatment of infantile colic in breastfed babies.
Hojsak I, Fabiano V, Pop TL, et al. Guidance on the use of probiotics in clinical practice in children with selected clinical conditions and in specific vulnerable groups. Acta Paediatrica 2018;107;927-937. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5969308/pdf/APA-107-927.pdf