The antibiotic use with Infants and children who received probiotics to reduce the risk of acute respiratory tract infections, acute lower digestive tract infections or acute otitis media have a 29% lower relative risk of being prescribed antibiotics (RR=0.71, 95%CI 0.54-0.94, P=0.02, 3953 participants, 12 randomised control trials).
The probiotic interventions included Lactobacillus and Bifidobacterium strains.
Link: View the Study
References: King S et al. Does probiotic consumption reduce antibiotic utilization for common acute infections? A systematic review and meta-analysis. Eur J Public Health 2018; doi: 10.1093/eurpub/cky185.