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ANTIMICROBIAL AGENTS4gram-positive infections (p. 110). Oral dosages of vancomycin are not systemically absorbed making them only useful for treating enterocolitis. Likewise, vancomycin that is administered parenterally is not useful for treating intestinal infections (Drugs.com, 2015). Linezolid is the only agent available in the oxazolidinones class. This medication is primarily used to treat gram-positive aerobic organisms and is noted for its “excellent activity against resistant pathogens, including MRSA, penicillin-resistant streptococci, and VRE” (Arcangelo & Peterson, p. 111). Clindamycin is an anti-anaerobic agent that Arcangelo and Peterson declare is used extensively in treating gram-positive and anaerobic bacterial infections (p. 113). Metronidazole is also an anti-anaerobic agent, but unlike Clindamycin, it demonstrates exceptional activity against gram-positive and gram-negative anaerobes (Arcangelo & Peterson).Viral and Bacterial InfectionsAntimicrobial agents should not be used for a patient with a virus, as they will not respond to the therapy. A provider is actually placing a patient at risk for harmful and unnecessary side effects of the medication in addition to building antibiotic resistance for future bacterial infections that they may incur. A patient with a viruses should be treated for symptom management so that they are able to bear the illness until the virus has run its course. According to -------------------------------------- viruses do not divide or reproduce on their own; instead, it takes over the cell and forces it to reproduce the virus in substantial numbers. Bacterial infectionscan easily get out of hand without adequate treatment of antimicrobial agents due to the continuous multiplication of cells, which can lead to sepsis.