Moxaclav 1 gm Tablet is a combination antibiotic containing Amoxicillin (875 mg) and Clavulanic Acid (125 mg). Amoxicillin is a penicillin-type antibiotic that inhibits bacterial cell wall synthesis, while Clavulanic Acid is a beta-lactamase inhibitor that prevents certain bacteria from becoming resistant to Amoxicillin. This combination enhances the efficacy of the antibiotic against a broader range of bacteria.