A member asked:

How antibiotics are selected for micro organisms ? because there are wide range of drugs as well as bacteria to choose.. is it only through trails ?

A doctor has provided 1 answer
Dr. Michael Ein answered

Specializes in Infectious Disease

See below: The antibiotic spectrum of all antibiotics and the types of organisms that cause various infections are well known to infectious disease physicians and many other doctors. Empiric antibiotic choice is based on this knowledge. Cultures are taken and susceptability studies are done in the microbiology lab to determine definitive antibiotic treatment.

Answered 5/17/2017

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