bacterial species that are harmful, as well as others that are beneficial, are f

Question

bacterial species that are harmful, as well as others that are beneficial, are found living in the human body. To slow the rate of developing antibiotic resistance in bacteria, physicians are being encouraged to use "narrow spectrum" antibiotics--- those that target only a few bacterial types. How can the information learned by antibiotic sensitivity testing be used by physicians who must choose antibiotics that inhibit growth of bacteria causing disease but that do not interfere with beneficial bacteria?

Explanation / Answer

During the AST, the pathogens are tested from the exudates and body fluids of the patient. During these the beneficial and harmful bacteria are identified. After that the degree of resistance of the harmful bacteria identified is tested to a proper range of antibacterial drugs. The antibacterial drugs of various different spectrum offer various degrees of inhibition for various different bacteria, harmful/beneficial. So, the AST process is in itself designed to inhibit growth of bacteria causing disease but not to interfere with beneficial bacteria in the system.

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