Why are broad-spectrum antibiotics used to treat infections, Biology

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Why are broad-spectrum antibiotics often used to treat infections caused by unidentified pathogens? What is the danger associated with overusing such antibiotics?

As broad-spectrum antibiotics affect a wide variety of organisms, they are likely to be more effective than specific antibiotics when the identity of the pathogen is unknown. If overused, though, they might be cause many types of bacteria to develop resistance.

 


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