<unk>  (INN) or floxacillin (USAN) is a narrow spectrum beta-lactam antibiotic of the penicillin class. It is used to treat infections caused by susceptible Gram-positive bacteria. Notably, it is active against beta-lactamase-producing organisms such as Staphylococcus aureus, which would otherwise be resistant to most penicillins. It is very similar to dicloxacillin and these two agents are considered interchangeable.<unk>  is available under a variety of trade names including Flopen (CSL) and Floxapen (GSK).
Flucloxacillin
Oxacillin
Plicamycin
Piperacillin
Dicloxacillin
Hetacillin
Vancomycin 
Azlocillin