Broad-spectrum drugs target a wide variety of bacterial pathogens. Even when the broad-spectrum drug is capable of killing a target pathogen, it may not be the best treatment.
Which statement best explains why a broad spectrum drug might be an undesirable treatment choice?
Group of answer choices

Broad-spectrum antimicrobials only work if they are used shortly after the infection begins.

Broad-spectrum antimicrobials are usually toxic to the host cells.

Broad-spectrum antimicrobials may kill much of the normal microbiota.

Broad-spectrum antimicrobials may stimulate excess growth of the normal microbiota.

Broad-spectrum antimicrobials are not able to kill bacteria that are in their log phase of growth.

Broad-spectrum antibiotic is used to treat unknown bacteria, bacteria that are drug resistant, bacterial infection etc. It basically affects to type of major bacterial group- gram negative and positive and disease causing bacteria. However, it has certain disadvantage and risk factors.

In its way to fight the targeted bacteria this antibiotic actually destroys the native and normal bacteria and affects the resistance development of antimicrobials. Thus it is an undesirable treatment unless there is a serious infection or disease.