Explain the benefit of narrow spectrum over broadspectrum drugs

Human Physiology: From Cells to Systems (MindTap Course List)
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Chapter4: Principles Of Neural And Hormonal Communication
Section4.6: Introduction To Paracrine Communication
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Explain the benefit of narrow spectrum over broad
spectrum drugs

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A broad spectrum drug is one that is effective against a wide range of microbial organisms to treat infections. A few examples of broad spectrum drugs include azithromycin, tetracycline, quinolone and amoxicillin. 

A narrow spectrum drug is one that  is effective against a particular class of microbial organisms. A few examples of narrow spectrum antibiotics include bacitracin used to treat Gram-positive infections and polymyxins used to treat Gram-negative bacterial infections. Glycopeptides are also examples of narrow spectrum drugs. 

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