Slanmox CV 1 2gm Injection The combination of amoxicillin and clavulanic acid is used to treat certain infections caused by bacteria including infections of the ears lungs sinus skin and urinary tract Amoxicillin is in a class of medications called penicillin like antibiotics It works by stopping the growth of bacteria Clavulanic acid is in a class of medications called beta lactamase inhibitors It works by preventing bacteria from destroying amoxicillin