Many bacterial infections can be effectively treated with Megaclox 125mg/125mg Tablet DT. Cloxacillin and ampicillin are the two antibiotics that are combined in Megaclox 125mg/125mg Tablet DT. These antibiotics function by stopping the development of the protective layer that bacteria need to survive. They work well together to treat your infection. In order to ensure that all bacteria are eliminated and do not develop resistance, you should continue taking this medication as directed even after you feel better, even though it normally takes a few days.