Abstract: Disclosed are once-a-day antibiotic products for treating Methicillin-Resistant Staphylococcus aureus, or “MRSA,” the products comprising: a combination of at least two different antibiotics, wherein one of the at least two different antibiotics is selected from the group consisting of RNA-Polymerase Inhibiting antibiotics and wherein one of the at least two different antibiotics is selected from the group consisting of Elongation Factor G (EF-G) Inhibiting antibiotics (alternatively any or all of the aforementioned RNA-Polymerase Inhibiting antibiotics and Elongation Factor G (EF-G) Inhibiting antibiotics may be in the form of analogues, derivatives, polymorphs, metabolites, pro-drugs, salts, and/or hydrates of any of the foregoing); optionally in further combination with a resistance inhibitor, preferably a LexA protease cleavage inhibitor.