Current use for old antibacterial agents: polymyxins, rifamycins, and aminoglycosides |
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Authors: | Chen Luke F Kaye Donald |
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Institution: | a Division of Infectious Diseases and International Health, Department of Medicine, Duke University Medical Center, Box 102359, Hanes House, Durham, NC 27710, USA b Department of Medicine, Drexel University College of Medicine, Philadelphia, PA 19102, USA c 1535 Sweet Briar Road, Gladwyne, PA 19035, USA |
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Abstract: | This article reviews three classes of antibacterial agents that are uncommonly used in bacterial infections and therefore can be thought of as special-use agents. The polymyxins are reserved for gram-negative bacilli that are resistant to virtually all other classes of drugs. Rifampin is used therapeutically, occasionally as a companion drug in treatment of refractory gram-positive coccal infections, especially those involving foreign bodies. Rifaximin is a new rifamycin that is a strict enteric antibiotic approved for treatment of traveler's diarrhea and is showing promise as a possible agent for refractory Clostridium difficile infections. The aminoglycosides are used mainly as companion drugs for the treatment of resistant gram-negative bacillary infections and for gram-positive coccal endocarditis. |
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Keywords: | Rifaximin Pharmacokinetics Pharmacodynamics Toxicity Polymyxins Aminoglycoside Rifampin |
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