Bacteria Home > Action of Cipro

Cipro® (ciprofloxacin) is a medication used to treat various bacterial infections. But what is the action of Cipro and how does it work to kill bacteria?
Cipro belongs to a group of medications called fluoroquinolones, or "quinolones" for short. It works by killing certain bacteria that cause infections. Cipro does this by interfering with the specific actions of two bacterial enzymes called topoisomerase IV and DNA gyrase. These enzymes are needed by the bacteria to copy and repair DNA, important steps required for the bacteria to multiply.
For Cipro to be effective, it is important to take your entire course of the medication. Stopping the antibiotic too soon can cause your infection to return, or lead to antibiotic resistance.
(Click Cipro for more information on the specific actions of this drug. This article provides a complete overview of this prescription antibiotic, including information on its uses, general precautions, and potential side effects.)
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Last reviewed by: Kristi Monson, PharmD;
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