The present invention relates to methicillin-resistant Staphylococcus aureus growth inhibition by lactic acid bacterium strains. More specifically it is directed to the use of lactic acid bacterium strains, compositions comprising lactic acid bacterium strains, methods of use and kits thereof to inhibit the growth of methicillin-resistant Staphylococcus aureus. This invention more specifically relates to the inhibitory effect of lactic acid bacterium strains Lactobacillus acidophilus and Lactobacillus caseion methicillin-resistant Staphylococcus aureus.