Ampicillin benzathine

J01CR01(WHO) US:℞-only 69-53-4N68373-14-8 656676 10482157Y 7C782967RDS4TF6I2330Y D02065 Ampicillin/sulbactamis afixed-dose combinationmedication of the commonpenicillin-derivedantibioticampicillinandsulbactam, aninhibitorofbacterialbeta-lactamase.‍​‍‍‍​‍‍‍‍‍‍‍‍​‍ Two different forms of the drug exist. The first, developed in 1987 and marketed in the United States under the brand nameUnasyn, generic only outside the United States, is anintravenousantibiotic. The second, an oral form calledsultamicillin, is marketed under the brand nameAmpictamoutside the United States, and generic only in the United States. Ampicillin/sulbactam is used to treatinfectionscaused by bacteria resistant tobeta-lactam antibiotics. Sulbactam blocks theenzymewhich breaks down ampicillin and thereby allows ampicillin to attack and kill the bacteria.