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Flucloxacillin, also known as floxacillin, is an antibiotic used to treat skin infections, external ear infections, infections of leg ulcers, diabetic foot infections, and infection of bone. [6] It may be used together with other medications to treat pneumonia , and endocarditis . [ 6 ]
β-Lactam antibiotics are indicated for the prevention and treatment of bacterial infections caused by susceptible organisms. At first, β-lactam antibiotics were mainly active only against gram-positive bacteria, yet the recent development of broad-spectrum β-lactam antibiotics active against various gram-negative organisms has increased their usefulness.
Ampicillin/flucloxacillin also known as co-fluampicil (), and sold under the tradename Magnapen, is a combination drug of the two β-lactam antibiotics, ampicillin and flucloxacillin, both in equal amounts, available in a capsule and as a liquid, both taken by mouth, and as a formulation which can be given by injection into muscle or vein.
The β-lactam core structures. (A) A penam.(B) A carbapenam.(C) An oxapenam.(D) A penem.(E) A carbapenem.(F) A monobactam.(G) A cephem.(H) A carbacephem.(I) An oxacephem. This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class.
Cloxacillin is used against staphylococci that produce beta-lactamase, due to its large R chain, which does not allow the beta-lactamases to bind. This drug has a weaker antibacterial activity than benzylpenicillin , and is devoid of serious toxicity except for allergic reactions.
Dicloxacillin is similar in pharmacokinetics, antibacterial activity, and indications to flucloxacillin, and the two agents are considered interchangeable. [6] It is believed to have lower incidence of severe hepatic adverse effects than flucloxacillin, but a higher incidence of renal adverse effects.
Oxacillin is a penicillinase-resistant β-lactam.It is similar to methicillin, and has replaced methicillin in clinical use.Other related compounds are nafcillin, cloxacillin, dicloxacillin, and flucloxacillin.
Its role in therapy has been largely replaced by oxacillin (used for clinical antimicrobial susceptibility testing), flucloxacillin and dicloxacillin, but the term methicillin-resistant Staphylococcus aureus (MRSA) continues to be used to describe S. aureus strains resistant to all penicillins. [5]