"If we know a patient has either of these risk factors, we can give different antibiotics prior to biopsy."

The tooth kept bothering her, even after two different antibiotics.

You will need two different antibiotics to treat your infection.

For a serious infection, you may need to take two different antibiotics at the same time.

This infection, mastitis, is cured by giving her more and different antibiotics.

Adding to the challenge facing doctors, he said, is the fact that each disease responds best to different antibiotics.

Treatment depends on the type of opportunistic infection, but usually involves different antibiotics.

To treat them, you may need different, stronger, and more costly antibiotics.

To treat them you may need different, stronger antibiotics that cost more.

Sometimes, that process requires experimentation with different antibiotics to see if they eliminate bacteria.